LT23A SERIES. Digital Indicating Controller PSE x48mm compact body Easy to use small size controller at reasonable price CE RoHS compliance

Transcription

1 Digital Indicating Controller LTA SERIES 48x48mm compact body Easy to use small size controller at reasonable price CE RoHS compliance LT A series is a 4848mm digital indicating controller with indicating accuracy of.% and the control cycle of approximately. seconds. There are two type of mounting methods, terminal block type and socket type. types of auto tuning functions and overshoot suppression functions are provided and highly safe control is achieved. Combination of internal computing function and enriched input and output option support various usage scenarios. Special loader software provides ease of setting operations and data acquisition. FEATURES Compact design Short depth of instrument (case mm) saves the space of instrument and control board. Enriched input types group, resistance thermometer group, DC voltage / DC group can be selected. Input types can be changed within each group. Outstanding controllability Control system can be selected from two-position control, PID control and self-tuning. It has overshoot suppression function and high functionality PID. type of auto tuning Can be selected from normal, rapid-response, safe tuning on the control target. Various input / output signal (optional) are available transformer input points, event output points (Max), remote signal input points, communication interface (RS48). Terminal block type and socket type are available Conformance to international safety standards Conformance to CE marking, RoHS Loader software is available Various parameter settings and data acquisition can be done easily using loader software (sold separately). PARTS NAMES OF FUNCTIONS Upper display : Lower display : Status display lamp [FUNC] key : [MODE] key :,, Key : Recorder connector : Displays values (preset temperature,etc) or settings items. Displays SP values (set temperature,etc) and other parameter values. RDY : Lights when READY (Control stop) MAN : Lights when MANUAL (manual mode) EV to EV : Lights when event outputs are ON. O to O : Lights when the control output is ON. The operations which has been set beforehand can be done by pushing the key for s or more. The function is disabled at factory default. Switches the display. Used for incrementing numeric values and performing arithmetic shift operation. Connects to a personal computer by using USB loader cable. MODELS LTA LTA Measuring input 8 * * * * Control output *, * *, * * *, *, * *, *, * I/O Terminal option type Power Extra 4 * 4 S A D Specifications 48mmX48mm front size input input DC voltage/current input Control output Control output ON-OFF pulse Event output points Event output points, CT input points,external signal input points Event output points,ct input points, Communication interface RS48 Event output points (independent contact) Event output points (independent contact), CT input points,external signal input points Event output points (independent contact), CT input points,communication interface RS48 Terminal block type Socket type -4 V AC 4V AC/DC No additional treatment Y Complying with the traceability certification *: Cannot be selected for the socket type *: Only a contact applicable for the socket type *: transformer is sold separately *4: Socket is sold separately *: Cannot be selected for 4V AC/DC power supply Note) For ON-OFF pulse contoroll outputs, even outout (option) will be used as control outputs. There is points (common) and points (independent contasct) so please select depending on the usage. PSE-89

2 LTA Series 48x48mm compact body IP protection structure of dust and water proof 48mm mm 48mm Compact body of 48x48mm and mm in depth. There is not only panel mounting type but also socket type, so it can correspond to multiple types of installations such as panel mounting type and DIN rail mounting type. Front of LTA employs IP protection structure of dust-proof and water-proof. Advanced controllability Overshoot suppression factor Small (SP) (SP) High-performance PID PID Overshoot suppression factor Large Time Time Easy-to-read display On the display, measuring value () is indicated in green and setting value (SP) is indicated in orange LEDs Frequently used operation can be assigned to the FUNC key By assigning frequently used operation such as RUN/READY to the FUNC key, only one press of a button enables switching the functions. Easy-to-read display Measuring input *Group selection by the model types types DC / types transformer input (option) points Control output (select at model) ON-OFF pulse outputs Event output (option) points points (independent contact) External signal input (option) points Loader connector Communication (option) Support loader software port RS48 port *Various parameter settings are available from PC by using dedicated loader software. However, it requires exclusive loader cable (sold separately). Loader software (sold separately) Internal event can be output as external contact output by logical operation On LTA Event Event Event Various parameter settings and data acquisition are available by connecting this controller to the PC which the loader software is installed. Program Operation points of event can be output Result of the logical operation which performed on selected five points of various internal events is able to be assigned to the three points of external digital outputs. It can simplify process of event outputs which logical operation was conventionally performed on receiver side.

3 SPECIFICATIONS Input specifications Input signal: Group selection by the models (, Resistance Thermometer, DC voltage/current) Range type: Refer to a measuring range table Input sampling cycle: ms Accuracy rating:.%fsdigit Control specifications Output type: ON-OFF pulse output type:c V AC, V DC A (resistance load) type: to A DC, 4 to ma DC (It can be changed by the setting) type: 9V DC%, Internal resistance 8, Allowable current Max. 4mA DC ACCSESSORY Item Attachment (for terminal block type) Manual Gasket (for terminal block type) OPTIONAL SOFTWARE Item Loader software (cable included) Loader software Loader cable Model LTA-P LA-- LTA-P Model LTA-S LTA-S LTA-S Item Hard cover Soft cover Terminal cover General specifications Operation temperature: to Power supply voltage range: AC power supply model to 4 V AC, /Hz DC power supply model 4 V AC, /Hz/4V to 48V DC Power consumption: AC power supply model VA or/and lower DC power supply model 7 VA or/and lower (4V AC) W or/and lower (4V DC) Safety standards: CE marking compliant product Structure: Weight: ACCSESSORY (Sold separetely) transformer Attachment (for terminal block type) Gasket (for terminal block type) pieces Socket Plug coversion cable for LTA Shunt resister IP (front part) Terminal block type: g Socket type: g (including socket) Model LTA-P LTA-P LTA-P4 LTA-P7 (.8mm hole dia.), LTA-P8 (mm hole dia.) LTA-P LTA-P LTA-P LTA-P9 RZ-EX MEASURING RANGE Input type DC voltage/current K J E T R S B N Platinel WRe- DIN U DIN L Pt JPt Pt JPt Pt JPt Pt JPt Pt JPt Pt JPt Pt JPt V V V V ma 4mA C Set value Lower limit of indication value of B thermocouple is Applicable * standards K,J,E,T,R,S,B,N : JIS C -99 Platinel : Engelhard Industries(ITS9) WRe- : ASTEM E988-9(Reapproved ) DIN U,DIN L : DIN47-98 Measuring rang - to to. to 8.. to.. to to 4.. to 8.. to. -. to 4.. to. -. to 4. to to to 8 to to to 4 to -. to to 8. - to - to - to - to - to - to -. to. -. to. -. to. -. to.. to.. to. to to The scaling and decimal point position can be changed variably in a range of -999 to %FSdigit Minus area is.%fsdigit Range with decimal point is.%fsdigit Minus area is.%fsdigit.%fsdigit.%fsdigit Resistance thermometer Pt : JIS C JPt : JIS C Measuring accuracy Under %FS8%FS

4 TERMINAL BOARD Terminal block type Socket type Control output NO CT input Control output NO Event output ON-OFF pulse ON-OFF pulse COM NC NC Event output COM Individual contact Individual contact Measurement input Power supply -4V AC Measurement input Power supply -4V AC 4V AC 4-48V DC (Non polar) Socket terminal number 4V AC 4-48V DC (Non polar) DI/communication Remote signal input Communication interface RS48 RS48 communication connection 7 8 RS-48 Example: Method to connect with line type instrument. Cautions for handling Do not connect the external resistor because this unit has a built in termination resistor. DIMENSIONS Terminal block type Compliant panel board thickness 9 max Panel cutout Separate installation Closed installation 48 Mounting (Accessories) Terminal screws M More than More than 48xN- +. N indicates No of devices to be mounted. Socket type Wiring terminal block Terminal screws M. 8 7 Mounting hole for -M Unit : mm Specifications subject to change without notice. Printed in Japan (I) KUMANO-CHO,ITABASHI-KU,TOKYO 7-8 Telephone : Facsimile : inter@chino.co.jp Website : "

5 Digital Indicating Controller LTA/7A SERIES LT A/7A series is digital indicating controller with indicating accuracy of.% and the control cycle of approximately. seconds. types of auto tuning functions and overshoot suppression functions achieve superior control stability. Combination of internal computing function and enriched input and output option support various usage scenarios. Special loader software provides ease of setting operations and data acquisition. FEATURES Compact design Short depth of instrument (case mm) saves the space of instrument and control board. Universal input types is user-changeable from among thermocouple, resistance thermometer, DC voltage and DC current. Outstanding controllability Control system can be selected from two-position control and PID control. It has overshoot suppression function and high-functional PID. type of auto tuning Can be selected from normal, rapid-response, stable tuning on the control target. Various input / output signal (optional) are available transformer input points, event output points (Max), remote signal input 4 points, communication interface (RS48). Conformance to international safety standards CE marking, RoHS Loader software is available Various parameter settings and data acquisition can be done easily using loader software (sold separately). PARTS NAMES OF FUNCTIONS Upper display : Displays values (measuring temperature, etc.) or setting items. Lower display : Displays SP values (preset temperature, etc.) and other parameter set values. Status display lamp : MAN : Lights when MANUAL (manual mode) EV to EV : Lights when event outputs are ON. to : Lights when the control output is ON. Multiple functions indicating lamp: User-settable max. sets combination of condition and status as preferred functions (alarm, READY, etc.). [FUNC] key : Press second or longer,then enters frequently used functions and operations set in advance. The function is disabled at factory default. [DISPLAY]/[DSP] key: Switch display in operation mode. Or back to operation mode from parameter setting mode. [MODE] key : Switches the display.,, Key : Used for incrementing numeric values and performing arithmetic shift operation. [ENT] key : Starts to change settings and set value Loader connector : Connects to a personal computer by using USB loader cable. MODELS LTA/LT7A LTA LT7A Measuring input Control output * 4 *, * 4 * I/O Terminal option type Power Extra 4 * * * * A D Specifications 48mmX9mm front size 9mmX9mm front size Universal input Control output Control output ON-OFF pulse output Event output: points No additional treatment *: transformer is sold separately. *: 4V AC/DC power supply can not be selected. *: Non-conforming to CE, UL/cUL. *4: Event output are types, specify models of point (common) or points (independent). Event output points, Transmission signal output (current output) Event output points (independent contact) Event output points (independent contact), Transmission signal output (current output) transformer input points External signal input: 4 points transformer input points External signal input: 4 points Communication interface RS48 Terminal block type to 4 V AC 4V AC/DC Y Complying with the traceability certificate T Tropical treatment K Sulfur resistance treatment PSE-8

6 LTA/7A Series Compact size Correspond to heat / cool control 9mm 9mm MV Heat Cool Output Output 48mm mm 9mm mm SP There are size 48x9mm and 9x9mm available. Depth is only mm, so it is space saving for any installation. Control output of heat or cool can be assigned to the output and. and SP can also be assigned and used as transmission signal output. Advanced controllability (SP) (SP) Overshoot suppression factor Small High-performance PID PID Overshoot suppression factor Large Time In addition to the conventional PID, High-performance PID is available which has unique algorithm aim to converge hunting quickly to decrease settling time. Time By Overshoot suppression function which controls overshoot at SP changing and/or disturbance response, the control has been able to develop stronger resistance for disturbance and superior stability. Easy-to-read display On the display, measuring value () is indicated in green and setting value (SP) is indicated in orange LEDs. Frequently used operation can be assigned to the FUNC key By assigning frequently used operation such as Auto/Manual and RUN/READY to the FUNC key, only one press of a button enables switching the functions. Various combinations of input and output Universal input types types DC / 9 types transformer input (option) points External signal input (option) 4 points Control output (select at model) ON-OFF pulse output Transmission signal output (option) Measuring value () Setting value (SP) Control output (MV) etc. Event output (option) points points (independent contact) Communication (option) Loader connector RS48 port Support loader software port *Various parameter settings are available from PC by using dedicated loader software. However, it requires dedicated loader cable (sold separately). Loader software (sold separately) Internal event can be output as external digital (contact) output by logical operation. On LT7A Event Event Event Various parameter settings and data acquisition are available by connecting this controller to the PC which the loader software is installed. Program Operation points of event can be output Result of the logical operation which performed on selected five points of various internal events is able to be assigned to the three points of external digital outputs. It can simplify process of event outputs which logical operation was conventionally performed on receiver side.

7 SPECIFICATIONS Input specifications Input signal: Universal input (, Resistance Thermometer, DC voltage/current) Range type: Refer to a measuring range table Input sampling cycle: ms Accuracy rating: ±.%FS±digit Reference junction compensation accuracy: ±.ºC (at ambient temperature ºC ± ºC) Control specifications Output type: ON-OFF pulse output type c V AC/ V DC A (resistance load) type to ma DC, 4 to ma DC (It can be changed by the setting) type 9V DC±%, Internal resistance 8, Allowable current Max. 4mA DC Event output Output point: Max. points Contact capacity: V AC/ V DC A (resistance load) Output type: output a Type: Absolute value, deviation, loop diagnosis, timer, heater disconnection and etc. Total types *Event output is a standard feature. General specifications Ambient temperature range: to C Power supply voltage range: AC power supply: to 4 V AC, /Hz DC power supply: Power consumption: DC power supply: Safety standards: Weight: OPTION External signal input Transmission signal output transformer input Communication interface 4 V AC, /Hz/4V DC AC power supply: VA and/or lower VA and/or lower (4V AC) 8W and/or lower (4V DC) CE marking compliant product LTA g, LT7A g Input point: 4 points Function: AUTO/MANUAL, RUN/READY, SV, Timer Stop/Start and etc. Total 7 functions Output type: to ma DC or 4 to ma DC current output Allowable load resistance: Ω and/or lower Output accuracy: ±.% FS (at ambient temperature ºC ± ºC), however, toma is at ±% FS (CT) Input point: points CT sold separately: Ø.8 (LTA-P7), Ø (LTA- P8) Measuring current:.4 to.a Display accuracy: ±% FS Communication type: RS48 Connection unit: Max. units Communication speed: Max. 8,4bps Communication protocol: MODBUS Terminating resister: Connection prohibited MEASURING RANGE DC voltage/current Input type C Measuring range Accuracy Lower limit of indication value of B thermocouple is Applicable * standards K,J,E,T,R,S,B,N : JIS C -99 Platinel : Engelhard Industries(ITS9) WRe- : ASTEM E988-9(Reapproved ) DIN U,DIN L : DIN47-98 NiMo : ASTEM E7- Set value The scaling and decimal point position can be changed variably in a range of -999 to PR4- : CR-AuFe : Johnson Matthey Hayashi Denko.%FSdigit Minus area is.4%fsdigit Under 4.%FS8.4%FS.%FSdigit, Minus area is.4%fsdigit.%fsdigit, Minus area is.4%fsdigit Resistance thermometer Pt : JIS C JPt : JIS C 4-989

8 ACCESSORY TERMINAL BOARD Item Attachment (for terminal block type) Manual Model LTA-P7 LA-- Power supply Control output NO OPTIONAL SOFTWARE Item Loader software (cable included) Loader software Loader cable Model LTA-S LTA-S LTA-S ACCESSORY (Sold separately) Item Model Hard cover LTA LTA-P LT7A LTA-P Soft cover LTA LTA-P LT7A LTA-P4 Terminal cover LTA LTA-P transformer Attachment Shunt resister LT7A LTA-P LTA-P7 (.8 mm hole dia.) LTA-P8 ( mm hole dia.) LTA-P7 EZ-RX -4V AC 4V AC 4-48V DC (Non polar) Individual contact CT input Measurement input Event output NC Transmission signal output DI Communication ON-OFF pulse / Remote signal input Communication interface RS48 DIMENSIONS LT7A LTA Terminal screw M Terminal screw M Panel cutout Minimum clearance for plural installation Panel cutout more than N : Nos. of mounting more than Minimum clearance for plural installation more than N : Nos. of mounting more than Unit : mm Specifications subject to change without notice. Printed in Japan (I) KUMANO-CHO,ITABASHI-KU,TOKYO 7-8 Telephone : Facsimile : inter@chino.co.jp Website : "

9 Digital Indicating Controller LT4A/47A SERIES LT4A/47A series is digital indicating controller with indicating accuracy of ±.% and the control cycle of approximately. second. types of auto tuning functions and overshoot suppression functions achieve superior control stability. Combination of internal computing function and enriched input and output option support various usage scenarios. Special loader software provides ease of setting operations and data acquisition. FEATURES Compact design Short depth of instrument (case mm) saves the space of instrument and control board. Universal input Input type is user-changeable from among thermocouple, resistance thermometer, DC voltage and DC current. Outstanding controllability Control system can be selected from two-position control and PID control. It has overshoot suppression function and high-functional PID. types of auto tuning Can be selected from normal, rapid-response, stable tuning on the control target. Various input / output signal (optional) are available. transformer input points, event output points (Max), remote signal input 4 points and communication interface (RS48). Conformance to international safety standards CE marking, RoHS Loader software is available Various parameter settings and data acquisition can be done easily using loader software (sold separately). PARTS NAMES OF FUNCTIONS Upper display: Lower display: Status display lamp: Displays values (temperature, etc.). Displays SP values (preset temperature, etc.) or setting items. MAN: Lights when MANUAL (manual mode). RSP: Lights when remote SP input. (Local SP input when light OFF) EV to EV: Lights when event outputs are ON to : Lights when the control output is ON Multiple functions indicating lamp: User-settable max. sets combination of condition and status as preferred functions (alarm, READY, etc.). [FUNC] key: [DISPLAY]/[DSP] key: [MODE] key:,, Key : [ENT] key: Loader connector: Press second or longer, then enters frequently used functions and operations set in advance. The function is disabled at factory default. Switch display in operation mode. Or back to operation mode from parameter setting mode. Switches the display Used for incrementing numeric values and performing arithmetic shift operation. Start to change setting and set value. Connects to a personal computer by using USB loader cable. MODELS LT4A/LT47A LT4A LT47A Measuring input * Control output *, * * I/O option 4 *, *, *, 4 Terminal type Power Extra A D Specifications 48mmX9mm front size 9mmX9mm front size Universal input Control output Control output ON-OFF pulse output ON-OFF servo output output output Event output points No additional treatment Y Complying with the traceability certification T Tropical treatment output output output Event output points, Transmission signal output (current output) Event output points, Transmission signal output (voltage output) Event output: points (independent contact) Event output: points (independent contact), Transmission signal output (current output) Event output: points (independent contact) Transmission signal output (voltage output) transformer input: points, External signal input:4 points transformer input: points, External signal input: 4 points, Communication interface RS48 transformer input: points, External signal input: points, Remote signal input transformer input: points, External signal input: points, Remote signal input,communication interface RS48 Terminal block type to 4V AC, Terminal block type 4V AC/DC, Terminal block type K Sulfur resistance treatment * : transformer is sold separately. * : transformer input not available when ON-OFF servo output is selected as control output. Then it becomes motorized feedback input. * : 4V AC/DC power supply can not be selected. * 4: Non-conforming to CE, UL/cUL. * : Event output are types, specify models of point (common) or points (independent). PSE-8

10 LT4A/47A Series Easy-to-read display On the display, measuring value () is indicated in green and setting value (SP) is indicated in orange LEDs. Frequently used operation can be assigned to the FUNC key By assigning frequently used operation such as Auto/Manual and RUN/READY to the FUNC key, only one press of a button enables switching the functions. 9mm Compact Bodies 9mm mm 48mm 9mm There are size 48x9mm and 9x9mm available. Depth is only mm, so it is space saving for any installation mm Advanced controllability (SP) (SP) Overshoot suppression factor Small High-performance PID PID Overshoot suppression factor Large Time In addition to the conventional PID, High-performance PID is available which has unique algorithm aim to converge hunting quickly to decrease settling time. Time By Overshoot suppression function which controls overshoot at SP changing and/or disturbance response, the control has been able to develop stronger resistance for disturbance and superior stability. Step control Preset maximum 8 setting values and each step can reserve hold time and ramp setting. This function delivers maximum 8 steps program control STEP STEP STEP STEP4 STEP8 Three types of Auto tuning Along with the standard algorithm, auto tuning for a target which has relatively good responsiveness and for a target which has good heatretention are provided to perform appropriate control easily. Zone PID control When PID parameter change is necessary depending on the temperature range such a case as furnace temperature control, preregistered 8 groups of PID parameters are assigned to every set temperature ranges (max. 8 zones) and perform operation by automatically changing the parameter depending on the measuring value (or setting value). Various combinations of input and output Universal input types types DC / 9 types Remote signal input (option) point transformer input (option) points External signal input (option) 4 points Communication (option) RS48 port Control output (select at model) ON-OFF pulse output ON-OFF servo output Transmission signal output (option) Measuring value () Setting value (SP) Control output (MV) etc. Event output (option) points points (independent contact) Loader connector Support loader software port *Various parameter settings are available from PC by using dedicated loader software. However, it requires dedicated loader cable (sold separately). Loader software (sold separately) Internal event can be output as external digital (contact) output by logical operation. On LT4A/47A Event Event Event Various parameter settings and data acquisition are available by connecting this controller to the PC which the loader software is installed. Program Operation points of event can be output Result of the logical operation which performed on selected five points of various internal events is able to be assigned to the three points of external digital outputs. It can simplify process of event outputs which logical operation was conventionally performed on receiver side.

11 SPECIFICATIONS Input specifications Input signal: Universal input (, Resistance Thermometer, DC voltage/current) Range type: Refer to a measuring range table Input sampling cycle: ms Accuracy rating: ±.%FS±digit Reference junction compensation accuracy: ±.ºC (at ambient temperature ºC ± ºC) Control specifications Output type: ON-OFF pulse output type c V AC/ V DC A (resistance load) ON-OFF servo output type a V AC 8A(resistance load), FB resistance: to type to ma DC, 4 to ma DC (It can be changed by the setting) output type to V, to V, to V (It can be changed by the setting) type 9V DC±%, Internal resistance 8, Allowable current Max. 4mA DC Event output Output point: Max. points Contact capacity: V AC/ V DC A (resistance load) Output type: output a Type: Absolute value, deviation, loop diagnosis, timer, heater disconnection and etc. Total types *Event output is a standard feature. General specifications Ambient temperature range: to C Power supply voltage range: AC power supply: to 4 V AC, /HzDC power supply: 4 V AC, /Hz/4V DC MEASURING RANGE DC voltage/current Lower limit of indication value of B thermocouple is Applicable * standards K,J,E,T,R,S,B,N : JIS C -99 Platinel : Engelhard Industries(ITS9) WRe- : ASTEM E988-9(Reapproved ) DIN U,DIN L : DIN47-98 NiMo : ASTEM E7- PR4- : CR-AuFe : Johnson Matthey Hayashi Denko Power consumption: DC power supply: Safety standards: Weight: OPTION External signal input: Input point: 4 points Function: AUTO/MANUAL, RUN/READY, SV, Timer Stop/Start and etc. Total functions Transmission signal output: type: to ma DC or 4 to ma DC current output Allowable load resistance: and/or lower Output accuracy: ±.% FS (at ambient temperature ºC ± ºC), however, toma is at ±% FS output type: to V DC/ to V DC or to V DC voltage output Allowable load resistance: and/or higher Output accuracy: ±.% FS (at ambient temperature ºC ± ºC), however, to.v is at ±% FS transformer input (CT) Input point: points CT sold separately: Ø.8 (LTA-P7), Ø (LTA- P8) Measuring current:.4 to.a Display accuracy: ±% FS Communication interface Communication type: RS48 Connection unit: Max. units Communication speed: Max. 8,4bps Communication protocol: MODBUS Terminating resister: Connection prohibited Input type C Set value Measuring range Accuracy.%FSdigit Minus area is.%fsdigit Under.%FS.%FS.%FSdigit, Minus area is.%fsdigit.%fsdigit, Minus area is.%fsdigit The scaling and decimal point position can be changed variably in a range of -999 to Under 4.%FS8.4%FS Resistance thermometer Pt : JIS C JPt : JIS C AC power supply: VA and/or lower VA and/or lower (4V AC) 8W and/or lower (4V DC) CE marking compliant product LT4A g, LT47A g

12 ACCESSORY TERMINAL BOARD Item Attachment (for terminal block type) Manual Model LTA-P7 - -4V AC Power supply Control output ON-OFF pulse OPTIONAL SOFTWARE Item Loader software (cable included) Loader software Loader cable Model LTA-S LTA-S LTA-S ACCESSORY (Sold separately) Item Model Hard cover LT4A LTA-P LT47A LTA-P Soft cover LT4A LTA-P LT47A LTA-P4 Terminal cover LT4A LTA-P transformer Attachment Shunt resister LT47A LTA-P LTA-P7 (.8 mm hole dia.) LTA-P8 ( mm hole dia.) LTA-P7 EZ-RX 4V AC (Non polar) Individual contact CT input FB input Input Event output Measurement input ON-OFF servo / / / / SSR driver pulse Transmission signal output DI Communication / / or External signal input RSP/DI RSP input External signal input Communication interface RS48 DIMENSIONS LT47A Terminal screw M LT4A Terminal screw M Panel cutout Minimum clearance for plural installation Panel cutout Minimum clearance for plural installation N : Nos. of mounting more than N : Nos. of mounting more than more than more than Unit : mm Specifications subject to change without notice. Printed in Japan (I) KUMANO-CHO,ITABASHI-KU,TOKYO 7-8 Telephone : Facsimile : inter@chino.co.jp Website : "