User Guide

ManualsBrandsSiemens ManualsControl ValvesTerminal Housing for Magnetic Valves, 40W (0 to 10 Vdc)

Siemens Building Technologies, Inc.

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Document No. CA1N4591E-P25

Rev. 1, November, 1999

Terminal Housing for Magnetic Valves

Des

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Terminal housing for optional control of Siemens Building Technologies magnetic

valves with various control signals:

•

0 – 10 Vdc

•

4 – 20 mA

•

0 – 20 Vdc phase cut

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120

0 0

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0 – 10 Vdc or

0 – 20 Vdc phase cut

ZM100/A ZM101/A ZM200/A

4 – 20 mA or

0 – 20 Vdc phase cut

ZM120/A ZM232/A ZM220/A

0 – 20 Vdc phase cut ZM110 ZM111 ZM210

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The control properties of the magnetic valve are not affected by the type of terminal

housing or control signal.

ZM../A

Terminal housing ZM100/A, ZM101/A, ZM120/A, ZM121/A, ZM200/A and ZM220/A are

signal transducers/power amplifiers. They convert a 0 – 10 Vdc or 4 – 20 mA control

signal and a 24 Vac power supply into a 0 – 20 Vdc phase cut signal. See

Phase Cut

Signal Diagram.

The differential amplifier with signal inputs (3) and (4) is isolated from the AC supply by

high resistance. See

Block Diagram

For three-wire applications, the signal negative (3) must be connected to AC supply

terminal (1).

It is also possible to use the ZM../A terminal housing as a straight-through electrical

housing, supplied directly with a 0 –20 Vdc phase cut signal. In this case, do not

connect the 24 Vac voltage supply.

Summary of content (6 pages)

PAGE 1
Tec Technical In Instructions ons Document No. CA1N4591E-P25 Rev. 1, November, 1999 ZM, ZM../A Terminal Housing for Magnetic Valves Desc escription Terminal housing for optional control of Siemens Building Technologies magnetic valves with various control signals: • 0 – 10 Vdc • 4 – 20 mA • 0 – 20 Vdc phase cut Table 1. Produc duct Numbers Contr ontro trol Signa gnal 0 – 10 Vdc or 0 – 20 Vdc phase cut Principle of Operation ZM..
PAGE 2
Technical Instructions Document No. CA1N4591E-P25 Rev. 1, November, 1999 Principle of Operation cont’d. The ZM110, ZM111 and ZM210 terminal housings are straight-through electrical housings only. ZM110, ZM111, ZM210 TYPICAL OPERATING RANGE OF MAGNETIC VALVE (0-100% STROKE) [V] SVAL0112R1 PHASE CUT SIGNAL 20 15 10 0 0 4 5 12 7,5 16 10 20 [V] [mA] CONTROL SIGNAL Figure 1. Phase Cut Signal Diagram. NOTE: ZM..
PAGE 3
ZM.., ZM/A Terminal Housing Magnetic Valves Specifications ZM100/A, ZM101/A, ZM120/A, ZM121/A, ZM200/A, ZM220/A Technical Instructions Document No. CA1N4591E-P25 Rev. 1, November, 1999 Supply voltage 24 Vac + 15/-10% Class 2 50/60 Hz Max. 1 mA at 0 – 10 Vdc (input impedance 2 x 56 kΩ 0 – 10 Vdc 4 – 20 mA 0 – 20 Vdc phase cut Current consumption Control signals Shunt resistance (4 – 20 mA) Maximum output power ZM1.., ZM1../A ZM2..
PAGE 4
Technical Instructions Document No. CA1N4591E-P25 Rev. 1, November, 1999 CAUTION: Installa llation It is important to use the cable cross-sections appropriate to the various cable lengths used. WARNING: Always disconnect the power supply before installing or removing the ZM.. or ZM../A. B ZM2.. max ø 0.52 SVAL0116R1 ZM1.. max ø 0.46 0.16 in 2 SVAL0114R1 SVAL0115R1 max Figure 3. Mount unting the ZM… Module. Wiring ZM..
PAGE 5
ZM.., ZM/A Terminal Housing Magnetic Valves Wiring, ng, cont’d. Technical Instructions Document No. CA1N4591E-P25 Rev. 1, November, 1999 ZM../A supplied from controller transformer or (over longer distances) from a separate transformer. 24 VAC ZM100/A ZM101/A ZM200/A CONTROLLER 1 2 3 4 5 6 ~ ~ GND – + SVAL0120R1 24 VAC 0-10 VDC TWISTED PAIRS 24 VAC 24 VAC CONTROLLER ~ ~ GND – + SVAL0121R1 0-10 VDC ZM100/A ZM101/A ZM200/A 1 2 3 4 5 6 24 VAC TWISTED PAIRS ~ ~ – + ~ ~ – + Figure 5.
PAGE 6
Technical Instructions Document No. CA1N4591E-P25 Rev. 1, November, 1999 Wiring, ng, cont’d. ZM../A ! SVAL0125R1 0-20 VDC PHASE CUT (–) (+) 1 2 3 4 5 6 – + TWISTED Figure 8. ZM100 100/A, ZM101 101/A, ZM200/ 200/A, ZM120/A, ZM121/ 21/A, ZM220/A (With Power Amplif lifier). ZM200/A ZM210 ZM220/A 4.53 2.99 ZM100/A ZM101/A ZM110 ZM111 ZM120/A ZM121/A SVAL0117R1 2.36 1.58 1.58 Dimensions 3.54 Figure 9. Dimensions in Inches. Information in this publication is based on current specifications.