Table of Contents
Advertisement
3. Insert the card edge connector from the ERP-CI into the receptacle on the right of the relay
panel termination board.
4. Fit the provided protection cover over the installed board.
5. Secure the cover and ERP-CI in place using the four screws provided in the kit.
Connect Wiring
The contact input card provides four bus connections for termination of up to 24 individual dry
contact inputs. A screw connector is provided for each input and accepts 0.5–4 mm
(18–12 AWG) Class 2 wire. Each connector is labeled to assist in relay referencing during
termination.
Termination
I/O Board
1. Pull wire from the device supplying the contact closure into the Echo Relay Panel, per the
wire entry plan. See
2. Strip the insulation from each wire pair back 6 mm (1/4 in).
3. Remove the pluggable screw connector header on the Contact Input board.
4. Using a 3 mm (1/8 in) flatblade screwdriver, loosen the terminals and insert each of the
data + and data - wire set into the appropriate terminal for the circuit.
Data wires in the set are polarity independent.
•
Connectors are labeled for termination reference.
•
5. Tighten each screw terminal until the wire is held snug.
6. Repeat steps 4 and 5 for the remaining dry contact closures.
7. Reattach the Contact Input pluggable screw header to the board and repeat the process for
any additional contact inputs.
Contact Input Option Card
Screw Terminals
(data+/ data-)
Inputs
Inputs
Inputs
Inputs
1–6
7–12
13–18
19–24
Cable Routing and Conduit Access on page 1
Removable Header
(typical of 4)
2
.
44
Advertisement
Table of Contents
