SVD001/SVD101
Control module for valves with bipolar stepper motor drive
SVD001_SVD101_V2.5.0_PI_2023-10_EN Subject to technical changes Page 1 of 4
1 Front view
SVD001: emergency operation through 24V= Backup supply input (terminal 51)
SVD101: emergency operation through integrated emergency closing module
Fig. 1: Front view of SVD001 and SVD101
2 Features
Connection of pre-defined valve types
Control of 1 valve
0...10V input for control of valve position (galvanically isolated)
Valve type selection by 2 rotary switches
Status display by LED
Safe valve position (open or closed) configurable by switch
Second 24V= supply input (backup terminal 51) with switching function: valve is moved to safe
valve position irrespective of the manipulated variable (SVD001 and SVD101)
Optionally with integrated emergency closing module with separate energy supply; in the case
of power supply failure the valve is moved to the safe valve position (SVD101)
Can be extended to include MCF001 cable filter if necessary
SVD001/SVD101
Control module for valves with bipolar stepper motor drive
Page 2 of 4 Subject to technical changes SVD001_SVD101_V2.5.0_PI_2023-10_EN
3 Safety instructions
Writing conventions
Symbol
Meaning
CAUTION
Avoid the described hazard: otherwise minor or medium physical injury or
damage to property will result.
WARNING
Avoid the described hazard: otherwise there is danger from electric voltage
that could lead to death or serious physical injury.
For your safety
For safe operation and to avoid personal injury and equipment damage through operator error, always
read these instructions, become familiar with the device, and follow all safety instructions on the product
and in this document, as well as the safety guidelines of Wurm GmbH & Co. KG Elektronische
Systeme. Keep these instructions ready to hand for quick reference and pass them on with the device if
the product is sold.
Wurm GmbH & Co. KG Elektronische Systeme accepts no liability in case of improper use or use for
other than the intended purpose.
Target group
These instructions are intended for "service technicians".
Intended use
The SVD001/SVD101 is a control module for valves with bipolar stepper
motor drives, the specifications for which are given in the valve table.
WARNING
Danger to life from fire!
Switch off the power to the entire plant when carrying out installation, wiring or removal
work.
The wiring of the device must be carried out only by qualified electricians.
Use only the correct tools for all work.
Check all wiring after connection.
Take note of the maximum loads on all connections.
Never expose the device to moisture, for example due to condensation or cleaning
agents.
Take the device out of operation if it is faulty or damaged and is therefore
compromising
safe operation.
The device can have its own internal energy supply to supply it with power even without
external connections!
Do not open the device.
Do not repair the device yourself. If the device requires repairs, send it in with an exact
description of the fault.
CAUTION
Electromagnetic interference
can cause faults!
Always use shielded data cables and place them far away from power lines.
Wurm Infocenter
paperless info
SVD001/SVD101
Control module for valves with bipolar stepper motor drive
SVD001_SVD101_V2.5.0_PI_2023-10_EN Subject to technical changes Page 3 of 4
Version and validity of the documentation
Version
Date
Change
V2.5.0
2023-10
Documentation status
Any versions not listed are special solutions for individual projects and are not described in detail in this document. This document
automatically ceases to be valid if a new technical description is issued.
Manufacturer: Wurm GmbH & Co. KG Elektronische Systeme, Morsbachtalstraße 30, D-42857 Remscheid
For further information, see our website at www.wurm.de
All brand names and trademarks mentioned in these instructions are the property of their respective owners.
4 Connection diagrams
Fig. 2: SVD001 and SVD101 connection diagrams
SVD001/SVD101
Control module for valves with bipolar stepper motor drive
Page 4 of 4 Subject to technical changes SVD001_SVD101_V2.5.0_PI_2023-10_EN
5 Installing
Fig. 3: Dimensions SVD001/SVD101
This device is designed for top-hat rail installation. The
housing is a standard size and is also suitable for
installation in fuse boxes or distribution switch boxes.
The devices can be positioned next to one another without
gaps.
To ensure a long life for the memory cells, we recommend installing the device in areas of the switch
cabinet that have a low ambient temperature and sufficient ventilation.
Fig. 4: Top-hat rail installations SVD001/SVD101
1. Place the module with the upper guide edge on the
top-hat rail.
2. Then press the module gently downward until it
engages with the fastening safety catch on the top-hat
rail.
NOTICE
When installing the device in the switch cabinet, please bear in mind the different
temperatures that may occur.
6 Technical data
Power supply
24V=, +/-20%, max. 1A
Display
1 x LED status (red, yellow, green)
Analogue input
0…10V= (electrically isolated)
Digital inputs
Backup power supply with “emergency closing/opening” switching
function by applying 24V=, +/-20%, max. 1A
Stepper motor output
Bipolar stepper motor as indicated in valve table (max. 0.8A)
Housing dimensions
(W x H x D) 53 x 90 x 58mm (DIN 43880)
Fastening
Top-hat rail TH 35-15 or TH 35-7.5 (DIN EN 60715)
Ambient temperature
Operation: 0...+50°C, storage: -25…+70°C
Weight
About 100g (SVD001), about 150g (SVD101)
CE conformity
− 2014/30/EU (EMC Directive)
RoHS II
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