Electric Drives Linear Motion and and Controls Hydraulics Assembly Technologies Pneumatics Service 1/6 RA 30052/05.04 Electric amplifiers Model VT-VRPA1 Series 1X Table of contents Features – Analog amplifiers in Eurocard format for installation in 19″ rack Contents Page – Output stage with closed-loop control Features 1 – Closed-loop position control with PID action Ordering data and scope of delivery 2 – Rapid energizing and de-energizing for fast response times Standard types 2 – Enabling input Front panel 3 – Short-circuit-proof outputs Block diagram with terminal assignment 4 – Open-circuit detection for feedback signal cable (partially) Technical data 5 – Zero and sensitivity adjustment possibilities Unit dimensions 6 Testing and service equipment – Test box type VT-PE-TB1, see RE 30063 – Test adapter type VT-PA-3, see RE 30070 2/6 Bosch Rexroth Corp. | Industrial Hydraulics VT-VRPA1 | RA 30052/05.04 Ordering data and scope of delivery VT- V R P A 1 - - / / Hydraulic component Option For valves with electrical PV = Pressure valves feedback = R QV = Throttle/flow control valves Valve type 4/2 servo solenoid valves Customer version with positive overlap = P V0 = Catalog version Actuation Series Analog = A 1X = Series 10 to 19 Output stages Serial numbers for types 1 output stage = 1 527 = 2.7 A solenoid 537 = 3.7 A solenoid Standard types Type Material No. For valve types VT-VRPA1-527-10/V0 0811405095 “PDL 1” (old Bosch) VT-VRPA1-527-10/V0/PV 0811405096 “PV 45” (old Bosch) VT-VRPA1-537-10/V0/PV 0811405097 “PV 60” (old Bosch) VT-VRPA1-527-10/V0/QV 0811405098 4WRP 6 EA VT-VRPA1-537-10/V0/QV 0811405099 4WRP 10 EA VT-VRPA1 | RA 30052/05.04 Industrial Hydraulics | Bosch Rexroth Corp. 3/6 Front panel 4/6 Bosch Rexroth Corp. | Industrial Hydraulics VT-VRPA1 | RA 30052/05.04 Block diagram with terminal assignment VT-VRPA1 | RA 30052/05.04 Industrial Hydraulics | Bosch Rexroth Corp. 5/6 Technical data (for applications outside these parameters, please consult us!) P.C.B. format (100 x 160 x approx. 35) mm (W x L x H) Europe format with front panel (7 modular spacings) Plug connector Connector DIN 41612 – F 32 Ambient temperature °C (°F) –0 … +70 (–4 ... +158), storage temperature min. –20 (–4); max. +70 (+158) Power supply 24 V DC U to b 16/b 18 Battery voltage 21…40 V, B and b 2/b 4 (0 V) Rectified AC voltage U = 21…28 V eff (single-phase, full-wave rectification) Smoothing capacitor, separately 4700 μF, 63 V (ELKO) if ripple >10 % to b 28/b 30 – b 2/b 4 Solenoid 2.7 A/25 W 3.7 A/50 W Power consumption max. 35 W max. 60 W Current rating max. 1.5 A max. 2.5 A Solenoid output Square-wave voltage, pulse-modulated b 6 – b 8 I = 2.7 A I = 3.7 A max. max. Setpoint U : 0 … +10 V (z 10) Differential E III � U : 0 V (z 12) input E III U : 0 … +10 V E III U : 0 … +10 V E III Signal source (setpoint) Potentiometer R = 1 kΩ +10 V supply from b 32 (10 mA) or external source Actual value feedback Oscill. b 26 Test pt. z 28 * 0 811 405 095 10.2 V / 7.8 kHz 0 … +10 V DC eff 0 811 405 096 10.2 V / 7.8 kHz 0 … +10 V DC eff 0 811 405 097 10.8 V / 7.8 kHz 0 … +10 V DC eff 0 811 405 098 10.2 V / 7.8 kHz 0 … +10 V DC eff 0 811 405 099 10.8 V / 7.8 kHz 0 … +10 V DC eff Output stage enable To z 16, U = 8.5 … 40 V; e.g. 10 V from z 32 LED (green) on front panel lights up 2 Cable lengths and cross-sections Solenoid: � 20 m 1.5 mm 2 Solenoid: 20 … 50 m 2.5 mm Position transducer: max. 50 m at 100 pF/m 2 Supply and capacitor 1.5 mm LED displays green: Enable yellow: Feedback signal open circuit red: U < U (approx. 21 V) B B min. Fault indication z 26: Switching output – Feedback signal open circuit No fault +24 V (max. 100 mA) – U too low Fault 0 V B – ±15 V stabilization Short-circuit-proof outputs Output stage to solenoid Signal to position sensor Potentiometer supply Special features Open-circuit protection for feedback signal cable Closed-loop position control with PID action Clocked output stage Rapid energizing and de-energizing for fast response times Adjustment via trimming potentiometer 1. Zero 2. Sensitivity Note Power zero b 2 and control zero b 12 must be bridged. At a distance of < 1 m from power supply, connect directly to DIN connector. At greater distances, connect control zero separately to ground. * 0 V at I = 0 V (enable OFF) m +10 V at I = max. (U = 10 V, potentiometer = cw) m E 6/6 Bosch Rexroth Corp. | Industrial Hydraulics VT-VRPA1 | RA 30052/05.04 Unit dimensions – nominal dimensions in mm (inches) Connector DIN 41612-F32 Connector DIN 41612-F32 160 (6.30) © 2004 Bosch Rexroth Corporation Bosch Rexroth Corp. Industrial Hydraulics All rights reserved. Neither this document nor any part of it may be reproduced, 2315 City Line Road duplicated circulated or disseminated, whether by copy, electronic format or any other means, without the prior consent and authorization of Bosch Rexroth Bethlehem, PA 18017-2131 Cor po ra tion. USA The data and illustrations in this brochure/data sheet are intended only to Telephone (610) 684-8300 describe or depict the products. No representation or warranty, either express Facsimile (610) 694-8467 or implied, relating to merchantability or fi tness for intended use, is given or www.boschrexroth-us.com intended by virtue of the information contained in this brochure/data sheet. The information contained in this brochure/data sheet in no way relieves the user of it obligation to insure the proper use of the products for a specifi c use or applica- tion. All products contained in this brochure/data sheet are subject to normal wear and tear from usage. Subject to change. 35 (1.38) 100 (3.94) VT-VRPA1 | RA 30052/05.04 Industrial Hydraulics | Bosch Rexroth Corp. © This document, as well as the data, specifi cations and other Bosch Rexroth Corp. information set forth in it, are the exclusive property of Bosch Rexroth Industrial Hydraulics Corporation. Without their consent it may not be reproduced or given to 2315 City Line Road third parties. Bethlehem, PA 18017-2131 The data specifi ed above only serve to describe the product. No USA statements concerning a certain condition or suitability for a certain Telephone (610) 684-8300 application can be derived from our information. The information given Facsimile (610) 694-8467 does not release the user from the obligation of own judgment and www.boschrexroth-us.com verifi cation. It must be remembered that our products are subject to a natural process of wear and aging. Bosch Rexroth Corp. | Industrial Hydraulics VT-VRPA1 | RA 30052/05.04 © This document, as well as the data, specifi cations and other Bosch Rexroth Corp. information set forth in it, are the exclusive property of Bosch Rexroth Industrial Hydraulics Corporation. Without their consent it may not be reproduced or given to 2315 City Line Road third parties. Bethlehem, PA 18017-2131 The data specifi ed above only serve to describe the product. No USA statements concerning a certain condition or suitability for a certain Telephone (610) 684-8300 application can be derived from our information. The information given Facsimile (610) 694-8467 does not release the user from the obligation of own judgment and www.boschrexroth-us.com verifi cation. It must be remembered that our products are subject to a natural process of wear and aging.