VP60. 5/3 Way proportional directional control valves Nominal diameter 8 direct operated sliding valves with µp-driven position control

Transcription

1 / Way proportional directional control valves Nominal diameter 8 direct operated sliding valves with µp-driven position control Adjusted, linear flow characteristic Zero-overlap-characteristic High flow low pressure drop Free of lacquer affecting substances Highly dynamic control Diagnostic functions alve conforms to CE ATEX approvals: 9/9/EG Cat. II G/D, Zone for standard units Technical data Medium: Compressed air, filtered and non-lubricated Due to the lubricants and their additives, use of lubricated compressed air can affect the dynamics and service life Filter: Recommended µm Operation: any, preferable solenoid upstairs Pneumatic conductance: C = 90 Nl/(min bar) Critically pressure ratio: b = 0, to 0, Flow rate: 00 Nl/min at p = 6 bar, p = bar Operating pressure: (p): acuum to 6 bar Leakage: Middle position 6 l/min max. (p = 0 bar and p/ = 0 bar) Connection: G/ and / NPT Flow direction: > + > ; > + > Operating temperature: 0 to +60 C Fluid temperature: 0 to +60 C (no condensation permitted, consult our technical service for use below + C) Hysteresis: ± 0, (% max. Q)* Repeat accuracy: ±,0 (% max. Q)* Response sensitivity: ± 0, (% max. Q)* Linearity: ±,0 (% max. Q)* Response time: p = 6 bar, 00% stroke, exhaust to atmosphere Dead time: ms Rise time: ms (0% to 90%)* Threshold frequency: 0 Hz at - db and 00% set point* Service life: > 0 Mio. operations (00% stroke) Degree of protection: IP 6 ibration resistance: DIN EN , 0g at 00 Hz switched off. When working more than g function interference. Shock resistance: DIN EN , 0g/0 shocks Electromagnetic compatibility: EN , EN , EN EN6000--, EU conform according to standards 89/6/EWG (CE-approval) Materials: Housing for electronics: plastic (PAA) Housing and internal parts: aluminium anodised Seals: NBR Magnet: iron refined surface *alues stated relate to 0 C Dynamic values stated relate d.c. power supply W X µp /0 Our policy is one of continued research and development. We therefore reserve the right to amend, N/UK

2 Short description Function The valve s aperture cross section is set by assigning an electrical set point signal, which generates a proportional flow rate, optimised to the characteristic curve, when the pressure ratios P and P are the same. Application example: Speed control spindle and torque The absolute position of the valve spool is determined through the position transducer integrated within the housing; it is adjusted to the set point via the (integrated) electronic spool position feedback loop. The proportional directional control valve enables continual, reversible airflow feed, e.g. for cylinder speed controllers. The proportional directional control valve can be used as a control valve for positioning drives or as an electrically adjustable throttle. Operation Moving coil drive, failsafe position through return spring. By adjusting the set point to the spool position and the linearity of the spool position to the flow rate via optimised spool geometry, the P60 offers linearised flow proportionality with sensitive control. Optimum proportionality of set point to flow rate is achieved with constant environmental conditions (P, P), as it is the performance characteristics of the spool position that is regulated, not the flow rate. However, the ability to finely control the flow rate is maintained even when there are pressure variations. Optimising the performance characteristics produces what approximates to a zero overlap valve. Features - µp digital controller achieves exceptional valve spool stability and the highest dynamics - Optimised linearity relating to set point/flow and minimum hysteresis - Good response sensitivity - High flow rate - Failsafe bleeding - Zero overlap mode - Low pressure drop - PC configurable via interface with P tool - adjustable setpoint - 0 ma, ±, 0-0 Optional: activation via field bus (Profibus DP) Compressed air Output flow Fedback Set point PLC 6 Air motor The P60 can also be operated as a / way proportional directional control valve with two different failsafe positions. a) / Way proportional directional control valve NC Pressurised connection Port and consumer connection Port. When voltage is switched off, Port is closed to the consumer. The Port connection must be sealed using a blind plug. b) / Way proportional directional control valve NO Pressurised connection Port and consumer connection Port. When voltage is switched off, the consumer receives the maximum flow rate. The Port connection must be sealed using a blind plug. c) Option: / Way proportional directional control alve Function. As an option, the set point range can be referenced 00% (0-0, -0mA) to the respective port connection ( apple or apple ). When used in this way, only a dispensing mode is possible. N/UK Our policy is one of continued research and development. We therefore reserve the right to amend, /0

3 Options selector P L Pneumatic port G/ J / NPT K ISO T Set point to 0 ma - to + differential 6 0 to 0 differential Profibus DP P Ordering example / way proportional directional control valve, pneumatic port: G/, set point: 0 to 0, quote: P600LD6MB00 Option Serial interface (RS )* B00 Electrical connection M/8 pol. M Fieldbus specific N 0 to 0 / to 0 ma 6 Profibus DP P Adjustable with P tool Preadjusted 0 to 0 Standard accessories Connection cable Serial interface accessories Interface adaptor, complete with P tool program on CD Description Materials Type Type M*; 8-pin; m; 8 x 0. mm PUR shielded Mx, -pin, m, A-cod 008 / M* 0086 / F* Mx, 8-pin, m, 008 / F* 008 / F* Mx, -pin, m, A-cod 0088 / M* Mx, -pin, m, B-cod 00 / F* Mx, -pin, m, B-cod 0 / M* Mx, -pin, B-cod, konf / F* Mx, -pin, B-cod, konf / M* Mx, -pin, m, B-cod 009 / M/F* Terminating resistor FD60KSMS00 Connector plug, 6-pin+PE / F* *F = female, M = male Materials: PUR shielded Description Type Interface connector, inclusive software CD /PTool Electrical parameters Supply Supply voltage UB ( d.c.) to Residual ripple max. (%) 0 Current consumption at full stroke 0 Hz (A) ca..0 at d.c. Current consumption static (corrected) (A) ca. 0. at d.c. Outputs (signal) Output spool position X(U) oltage signal from the spool position 0 to 0 = min. to max. stroke UA () Output current max. IA (ma) Inputs (signal) Analogue set points W(U/I) referenced to GND Current signal IE (ma) (0) to 0 Load independence ( ) 00 Output spool position X(I) Current signal from the valve position IA (ma) to 0 ma = min. to max. stroke Load resistance RL ( ) 00 recommended Analogue differential set points W (+/-Ud) oltage signal UE () 0 to 0 - to + Input resistance RI (k ) 0 Max. input voltage range () -0 to 0 Output»Error: Position not reached«x (Komp) Switching range (% max. stroke) < +/-0. % after 0 sec. Digital output signal PLC level Error signal* Low Function OK High Output current max. (ma). * Low voltage or current overshoot, µp error /0 Our policy is one of continued research and development. We therefore reserve the right to amend, N/UK

4 Curves. Flow characteristics (exhausting to atmosphere different input pressures) Nl / min Flow direction P 6 bar bar bar 0 bar 8 bar 6 bar bar bar bar. Flow characteristics (DP= bar) p = 6 bar, p = bar l / min Flow direction bar bar bar 0 bar 8 bar 6 bar bar bar bar Set point Set point ma Single side mode port and 0% stroke (respective port ) Center position in direction and X / W (db) fg = 0 Hz 0 Hz 60 Hz ( ) ± 0 % ± 0 % ± 00 % ± 0 % ± 0 % 00 ± 00 % f (Hz) * X / W (db) fg = 0 Hz 0 Hz 60 Hz ( ) ± 0 % ± 0 % ± 00 % ± 0 % ± 0 % 00 ± 00 % f (Hz) * X = Actual value W = Set point f = frequency *) ± 00% corresponds to 0 Nl at p = bar (6 apple bar) - 00% corresponds to 0 Nl **) ± 00% corresponds to 0 Nl at p = bar (6 apple bar) N/UK Our policy is one of continued research and development. We therefore reserve the right to amend, /0

5 zero point adjustment Zero point adjustment is only possible by p tool program General status LED indicator Status Status LED Device off Off Device running Single-colour green alve fault* Red* * Potential error sources: - Current supply or internal references outside the permitted range - alve not adjustable (X W Time out) - Program cycle interrupted Connection diagrams. Standard connection (Mx; 8-pin) W (U/I), white X (komp), brown 6 8 W (-Ud), green 6 6 W (+Ud), yellow X (I), grey Ub pink 6 8 GND blue X (U), red Assignment Supply: 6 Ub Sypply voltage to d.c. pink GND Power ground GND blue Inputs Set point: W(-Ud)* Analogue GND/set point input green oltage 0 to 0 or +/- W(+Ud)* Signal/set point input yellow oltage 0 to 0 or +/- W(I) Set point input current to 0 ma white Depending on the order number, both outputs (U/I) but only the ordered input will be active. * Differential input, input between pins and *** Current input, input between pins and 6 Ausgänge entilausgang: X(I) Actual value output, current grey to 0 ma 8 X(U) Actual value output, voltage red 0 to 0 The voltage output relates to Gnd Pin 6. Some loss in accuracy needs to be accounted for on the voltage output due to the voltage drop on the earth line Both outputs are active as standard. Fault output X (comp) Digital output signal brown PLC level (I (max) =. ma) High: Function ok Deviation: Iw-xI < ± 0. % Low: Position not reached Deviation: Iw-xI > ± 0. % The output relates to Gnd Pin 6 /0 Our policy is one of continued research and development. We therefore reserve the right to amend, N/UK

6 6 P60 Dimensions P60 standard version M x 0, 8, 66,, ~,, 0 ~ ~ ,,,, alves are delivered with M x 0 mounting screws N/UK Our policy is one of continued research and development. We therefore reserve the right to amend, /0

7 P60 Dimensions P60 Profibus M x 0, 8, 66,, ~,, 0 ~ ~ , BUS IN BUS AUT Status BUS POWER BA,,, alves are delivered with M x 0 mounting screws Warning These products are intended for use in industrial compressed air systems only. Do not use these products where pressures and temperatures can exceed those listed under Technical data. Before using these products with fluids other than those specified, for non-industrial applications, life-support systems, or other applications not within published specifications, consult NORGREN. Through misuse, age, or malfunction, components used in fluid power systems can fail in various modes. The system designer is warned to consider the failure modes of all component parts used in fluid power systems and to provide adequate safeguards to prevent personal injury or damage to equipment in the event of such failure. System designers must provide a warning to end users in the system instructional manual if protection against a failure mode cannot be adequately provided. System designers and end users are cautioned to review specific warnings found in instruction sheets packed and shipped with these products. /0 Our policy is one of continued research and development. We therefore reserve the right to amend, N/UK