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Comfort Intelligent Remote NO/NC Relay (4 Digital Inputs) Submodule
[ISM07] - Stock: 1

CE Approved
The ISM07 Relay I/O submodule for IRIO has 4 Relay outputs and 4 Digital Inputs.

Output functions available for selection for each Output:
  • On/Off
  • Heating
  • Cooling
  • Heating + Cooling
  • 2 speed fan
  • 3 speed fan
  • Aircon Interface Relay
  • Unassigned

Each Output is connected to a Normally Open Relay with 2 terminals COM, NO (Normally Open)

Connections

NO1/COM1:Normally Open Relay Contact for Output 1
NO2/COM2:Normally Open Relay Contact for Output 2
NO3/COM3:Normally Open Relay Contact for Output 3
NO4/COM4:Normally Open Relay Contact for Output 4

I1:Digital Input 1
COM:Ground for Inputs
I2:Digital Input 2
I3:Digital Input 3
COM:Ground for Inputs
I4:Digital Input 4


Refer to the IRIO manual for instructions on setting the IRIO ID, meaning of the LEDs and Comfigurator programming.

Relay Specifications

Breakdown Voltage (Contact – Coil)1500VAC 1 min
Insulation Resistance1000 Mohms
Switching Capacity240VAC, 2A
Mechanical Life100 million cycles
Electrical Life100,000 cycles
Coil Resistance720 Ohms (17 mA operating current from 12V)

Maximum current from 12V with 4 relays switched On = 68 mA

LEDs

K1-On (red)Indicates that Relay 1 is in the ON state
K2-On (red)Indicates that Relay 2 is in the ON state
K3-On (red)Indicates that Relay 3 is in the ON state
K4-On (red)Indicates that Relay 4 is in the ON state
PWRIndicates that 12V power is present
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