Trend IMC-101 User Manual download pdf (Page 11)

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FAULT: The two middle contacts of the

6-contact terminal block connector are used

to detect both power faults and port faults.

The two wires attached to the Fault contacts

form an open circuit when:

1. IMC has lost power from one of the DC

power inputs.

2. One of the ports for which the

corresponding PORT ALARM Dip Switch

is set to ON is not properly connected.

If neither of these two conditions occurs, the

Fault circuit will be closed.

Wiring the Redundant Power Inputs

The top two contacts and the bottom two contacts of the 6-contact

terminal block connector on IMC’s top panel are used for IMC’s two DC

inputs. Top and front views of one of the terminal block connectors are

shown here.

STEP 1: Insert the negative/positive DC

wires into the V-/V+ terminals.

STEP 2: To keep the DC wires from pulling

loose, use a small flat-blade screwdriver to

tighten the wire-clamp screws on the front of

the terminal block connector.

STEP 3: Insert the plastic terminal block

connector prongs into the terminal block

receptor, which is located on IMC’s top

panel.

Before connecting IMC to the DC power inputs, make sure the

DC power source voltage is stable.

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Trend IMC-101 User Manual Page 11