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Nidac PRESCIENT PEX-8IO r1 Hardware Manual

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PEX-8IO r1 HARDWARE GUIDE
Features
• 8 Input and 8 Output expansion board for use with DN4
• RS485 NIDAC expansion bus
• 8 x supervised inputs
• 8 x SPDT relays for control
Specifications
• Power:
• Dimensions: 160 x 107 x 35mm (W x D x H)
• Relays:
• Inputs:
11.5 to 14.5V D.C. @ 200mA
50V D.C. max, 2A
Can support monitored EOL resistor values of 1K to 10K
®
by
Version 1.0
Page 1

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Summary of Contents for Nidac PRESCIENT PEX-8IO r1

  • Page 1 ® PEX-8IO r1 HARDWARE GUIDE Version 1.0 Features • 8 Input and 8 Output expansion board for use with DN4 • RS485 NIDAC expansion bus • 8 x supervised inputs • 8 x SPDT relays for control Specifications • Power: 11.5 to 14.5V D.C.
  • Page 2 Connections POWER +11.5 to 14.5V D.C. power input for PEX-8IO Negative or GND connection from power supply INPUTS 1-8 Selectable as NO, NC or EOL resistor supervised Connection to 0V power input OUTPUTS 1-8 Normally Open relay contact Common relay contact Normally Closed relay contact EXPANSION Use this to connect to the PEX-8IO to Expansion Bus.
  • Page 3 The PEX-8IO will perform a device address reset when SWITCH1 is released Power Wiring NIDAC recommends using a battery backed 13.8V D.C. power supply. Input Wiring All inputs can be used for either exit buttons or door monitoring, each is selectable as NO, NC or EOL resistor supervised to match the device and wiring being used.
  • Page 4 NO with 1 EOL resistor NC with 2 EOL resistors NO with 2 EOL resistors and NC tamper and NC tamper and NC tamper Expansion Bus Wiring The PEX-8IO requires a connection to a single DN4 • Wiring is required to be done in daisy chain configuration •...
  • Page 5 Expansion Bus wiring with the DN4 within the within the daisy chain Incorrect star wiring configuration Page 5...
  • Page 6 Designed and manufactured by NIDAC Pty Ltd 2 Cromwell Street +61 3 9808 6244 Burwood Victoria www.nidac.com Australia 3125 sales@nidac.com...