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68-739-03 

Rev. C

03 09

Relay Accessory Box

IPA T RLY4

User’s Guide

Summary of Contents for IPA T RLY4

Page 1: ...68 739 03 Rev C 03 09 Relay Accessory Box IPA T RLY4 User s Guide ...

Page 2: ...o 24 VAC or 24 VDC as a tally signal contact closure signal or control signal to drive devices in your system such as a lighting system figure 1 or remote screens The relay contacts are protected by an overvoltage circuit IPA T RLY4 1 2 3 4 C IN PUTS COM 3 LAN UID 093012052 POWER 12V 5A MAX COM 2 1 COM1 TX RX TX RX I O 2 3 4 COM2 Extron IPL T SF24 Ethernet Control Interface Extron IPA T RLY4 Relay...

Page 3: ...AY 2 RELAY 3 RELAY 4 2 2 2 2 1 Figure 2 IPA T RLY4 connections Input connections a Inputs Connect the 12 VDC source to the common voltage C terminal of the 5 pole captive screw connector Connect the appropriate input terminal 1 through 4 to the digital output s of the IPL T SF24 MLC 104 IP Plus or other device C Connect 12 VDC to the C pin only and connect the return to one or all of the Input pin...

Page 4: ... O IR IN Tx GROUND Rx 12V IN IPA T RLY4 1 2 3 4 C INPUTS MLC 104 IP Plus Right Side Observe proper polarity when making connections to the MLC 104 IP Plus controller s Power port Miswiring can damage the controller s Digital I O port IPA T RLY4 Front Panel Relay 1 Relay 2 Relay 3 12 VDC CAUTION Figure 3 Wiring diagram for connection to an MLC 104 IP Plus Output connections b Outputs For each relay...

Page 5: ...ler WHITE DA LITE BLUE DRAPER IPA T RLY4 NOTE For a typical Da Lite or Draper screen controller a momentary closure on relay 1 or 2 causes the screen to move up or down A momentary closure on relay 3 causes the screen to stop in its current position Use 1N4001 or equivalent diodes not included for reverse bias protection Recommended diode specifications 100 mA maximum through diode 50 V maximum re...

Page 6: ...e following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation The Class A limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequ...

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