JUS- unit connectivity with positioning functionality. Connects directly to the drive Simplifies distributed control and information management No programming languages are required. Various positioning functions including point-topoint mode (with multi-step speed positioning available) and station number mode (indexing function) All parameters are set and maintained by a LC or C. Up to 12 servos can be connected to the network System configuration Cable connection CJ1 series master Sigma-II series (0) JUS- (1) Computer connecting cable (CN) network (CN4) External I/O or fully-closed encoder signal Sigma-II series JUS- unit Limit switches contact sensors Linear Motor Servo Motor unit 107
Specifications JUS- - interface unit Details Type JUS- Applicable servo drive All @@@E models Installation method Mounted on the SGDH servo drive side: 0. Basic ower supply method Supplied from the servo drive control power supply. specifications ower consumption 1. W Baud rate setting The baud rate is automatically set by the master between 9. kbps and 12 Mbps. communications Station address setting Select the address from 0 to 7D (0 to 12) using the rotary switches. Command format Operation specifications ositioning using communications Reference input communications Commands: motion commands (position, speed), parameter read/write osition control Acceleration/deceleration method Linear first/second-step, asymmetric, exponential, S-curve functions Fully-closed control ossible Input signals Fixed allocation to Forward/reverse run prohibited, zero point return deceleration LS, zero point signal, connector external positioning signal unit Emergency stop signal Output signals Servo drive connector Servo alarm, brake interlock, servo ready, positioning completion unit 1, 2 (area signals) Internal functions osition data latch function osition data latching is possible using phase C, zero point signals, and external signals. rotection arameters damage, parameter setting errors, communications errors, etc. LED indicators ERR: Module error COMM: Communications status Note: *The allocation of the output signals for brake interlock, servo ready, or positioning completion can be changed using parameter settings. Transmission specifications Specifications Communication format Conforms to Transmission speed (kbps) 9. 19.2 9.7 17. 00 100 12000 Transmission distance (m) 1200 1000 400 200 100 Transmission media ST cable Number of stations 2 stations (can be extended to 12 stations using repeater.) Cable Specifications Cable type impedance Shielded twisted-pair wire type A 1 to 1 Ω Capacity < 0 pf/m Loop resistance 110 Ω/km Wire gage 0.4 mm Conductor area > 0.4 mm 2 Connector 9-pin D-sub connectors are used. 10
7 4 4 7 1 2 1 2 9 0 9 0 X 10 X 1 D R C N 11 Nomenclature Ground wire Connected to ground on the servo drive Rotary switch (x1, x10) For node address setting RS-22C connector (1) For setup tool LED (COMM) Communication status LED for LED (ERR) Module error status LED Connector for communication (CN) Connector for external signals (CN4) For connecting external I/O signals or fully-closed encoder signals Dimensions JUS- - interface unit Units: mm Approx. weight: 0.2 kg FG terminal M4 (24) Connector to (100) 1 CN CN4 142 plate 20 1 unit 109
Installation Standard connections Servo drive type SGDH (For servo drive connection, see Sigma-II chapter) communication XD/TXD- XD/TXD-N V DGND 24 VDC 0mA or more CN + 24VIN CN 4. kω I/F Unit Type JUS- Side G0V A /A B /B C /C CN 4 1, 2, 1 17 1 19 14 1 Fully-closed encoder for speed/position detection G E-STO External power supply Backup battery* 1 2. to 4. V +24 V Zero point return deceleration LS with /DEC ON Forward run prohibit with -OT OFF Reverse run prohibit with N-OT OFF External positioning signal + - + - BAT (+) BAT (-) +24VIN /DEC -OT N-OT WXT 21 22 47 40 41 42 4 44 4 4 CN 1. kω 1 + 1-2 + 2-7 9 1 2 2 27 2 29 0 1 2 12 1 10 20 AL 01 AL 02 AL 0 SG /COIN + 0V /COIN - /BK + /BK - /NEAR + /NEAR - ALM + ALM - DC to 12 V Alarm code output Maximum operating voltage 0 VDC Maximum output current 20 madc ositioning completed (ON when positioning is completed) BK output* 2 (ON when brake is released) ositioning near output (ON when near) Servo alarm output (OFF with an alarm) hotocoupler output Maximum operating voltage 0 VDC represents twisted-pair wires. represents shield. Maximum output current 0 madc FG Connect shield to connector shell. *1 Connect when using an absolute encoder and when the battery is not connected to CN. *2 Set the signal assignment with the user constants. Note: Connect the ground cable of the field bus I/F unit to the ground connector of the servo drive. 110
Ordering information System configuration (0) JUS- unit (1) Computer connecting cable NS Tool ersonal computer (CN) Network (CN4) External I/O or fully-closed encoder signal Servo motor interface unit ROFIBUS_D interface unit with point-to-point positioning functionality JUS- Serial cable (for 1) Computer connecting cable 2 m RA-CCW0024 Connectors Connector for CN4. For connecting external I/O signals or fully-closed encoder signals Computer software NS tool GSD file RA-CNU01R or DE94097 MOTION TOOLS CD Servo system Note: Refer to the servo systems section for more information unit 111