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IP-LCM Connections

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Connector overview

IP-LCM connectors


Line IN & Line OUT

IP-LCM Line IN OUT.png


Line OUT can be connected directly to the onboard TKIS-2. If the line OUT audio cable is to thick, it can be connected to the main board terminal, but then the line OUT must be strapped from the TKIS-2 as shown above.

Line IN can only be connected on the main board as shown.

Note icon The above statements only applies to IP-LCM v1.1 (HW revision .0200). On older models there is no Line IN, and line OUT must be connected directly to the TKIS-2.


Inputs

The IP-LCM module has 8 inputs. Each of them has a corresponding selector switch, with which one can select between a dry closing contact or an active input.

  • Left position: The input requires an active signal 12V to 48VDC. The input is galvanic isolated with an opto-coupler. Polarity as indicated on the drawing.
  • Right position: The input requires a dry contact

Connectors

  • without ferrule: 0.5mm-1.5mm / 20 AWG - 16 AWG
  • with ferrule with plastic/metal collar: 0.75mm-1mm / 18 AWG - 17 AWG


Outputs

There are 8 relays, each with two sets of changeover contacts (DPDT). The contact terminals, Normally Open (NO), Normally Closed (NC) and Common (COM), are labeled in the silk print of the PCB.

Each output has a LED which indicates if the relay is active or not.

Relay 5 to 8 has a corresponding output selector switch. With this switch one can select if the Contact Set #1 should provide dry contacts, or if it should forward power from the power forwarding connector. Contact Set #2 will always provide dry contacts, regardless of the position of the output selector switch.

  • Left position: Dry Contact mode. Contact Set #1 provides dry contacts.
  • Right position: Power Forwarding mode. Contact Set #1 forwards power from the an external power supply connected to the IP-LCM unit. When the PSU is connected with the polarity as indicated in the drawing above, the "+" will appear on the Com terminal, and the "-" will appear on the NO-terminal when the relay is active. When the relay is in idle, the "-" will appear on the NC-terminal.
IP-LCM relays
Note icon The external power supply is required only when you need to forward power via relays 5 - 8. This is the only purpose of the power supply.


Relay contact ratings:

    • Relay Outputs: DPDT (Double Pole Double Throw). NO (Normal Open), NC (Normal Closed), COM (Common)
  • Relay 1 - 4 (both contact sets) and Relay 5-8 (contact set #2):
    • Switched Voltage: < 250VAC Rated (400VAC Max)
    • Switched Power: < 2000 VA max
    • Switching Current: < 8A rated (12A max for 1 second)
  • Relay 5-8 (contact set #1):
    • Dry Contact mode: 100VAC/1A
    • Power Forwarding mode: 30V/100mA

Connectors

  • without ferrule: 0.5mm-1.5mm / 20 AWG - 16 AWG
  • with ferrule with plastic/metal collar: 0.75mm-1mm / 18 AWG - 17 AWG

Related

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