£42.50 (£51.00 inc VAT)

Intelligent Remote TWS Module
[ISM04] - Stock: 0

CE Approved
The ISM04 TWS Submodule consists of 2 Latching relays and 2 current sensors. Each Relay and current sensor controls an On/Off Lighting circuit via a mechanical Two Way lighting switch. The advantage of this method of control is low cost, and the ability of the mechanical switch to control the light even if the Comfort or IRIO is not working. However this requires 2 electrical wires (2 switch wires) to be run between the two way switch and the IRIO.

Connections

  • OP1/+12V/OP2 Output 1,2 connections. Centre is +12V
  • OP3/+12V/OP4 Output 3,4 connections. Centre is +12V
The Outputs are open-collector outputs, i.e. transistor outputs which pull down to ground when turned on.
IR Transmitters IR01W, IR03W or IRM01 can be connected to any of the Outputs in order to send the IR signals to the receiver.
  • INP1/COM/INP2 Input 1,2 Connections. Centre common ground
  • INP3/COM/INP4 Input 3,4 Connections. Centre common ground
Inputs can be connected to CSM03-CT current sensors for detecting current flow (if required). The Live wire of the appliance or air conditioner goes through the centre hole of the CSM03-CT current sensor . The CSM03 wires are connected to the input terminals. Polarity of CSM03 wires is not important.

Connections

Warning: This work should be done by a qualified electrician.

To Two Way Switch
L1 230VAC Live wire
NO1 To Two Way Switch 1 (Open position)
NC1 To Two Way Switch 1 (Closed position)
L2 230VAC Live wire
NO2 To Two Way Switch 2 (Open position)
NC2 To Two Way Switch 2 (Closed position)
Please refer to diagram.

The Live (230VAC) wire should go through the center of the Current sensor before terminating at the L1 (or L2) terminals of the TWS submodule.
The NO1 and NC1 (or NO2 and NC2 for 2nd circuit) wires should be connected to the Two Way Switch terminals as shown above.

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

Relay Specifications

Each TWS Submodule has 2 Latching Relays
Relay Arrangement1 Form C
Breakdown Voltage (Contact – Coil)4400VAC 1 min
Switching Capacity277VAC, 16A (10A limit for TWS)
Mechanical Life100 million cycles/td>
Electrical Life100,000 cycles
Coil Resistance360 Ohms (33 mA operating current from 12V)

Current Sensor Specifications

Sensitivity Level 0
Minimum Current detected0.4 mA RMS = 1 count of Sensor Registers
Maximum Current detected100 mA RMS = 255 counts of Sensor Registers

Current > 100 mA will be limited to 255 Counts in Sensor Register

Sensitivity Level 1
Minimum Current detected1.7 mA RMS = 1 count of Sensor Registers
Maximum Current detected430 mA RMS = 255 counts of Sensor Registers

Current > 430 mA will be limited to 255 Counts in Sensor Register
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