ER5000 —
79
Installation Variations
Terminal Blocks and Wires
There are two terminal blocks on the control board of the
ER5000. The 12-pin J3 terminal block is active for all models of the
controller. The auxiliary 8-pin J4 terminal block is only active for
“F” model controllers.
All ER5000s feature a 12-pin MTA
connector to the J3 terminal block.
“F” model ER5000s also feature an
auxiliary 8-pin MTA connector to the J4
terminal block.
Previous versions of the “F” model
controller featured separate cables
for the standard and auxiliary
connectors. For “F” model ER5000s,
both connectors are fed by a single
20-wire cable.
Wires are color coded for easy identication. Wires that feed the
J3 terminal block are solid colors and wires that feed the J4 block
are color striped, as shown in Figure 18.
J3 Pins Wire Color Function
1 brown +setpoint input
2 red -setpoint input
3 orange +feedback input
4 yellow -feedback input
5 green -RS485 network connection
6 blue +RS485 network connection
7 violet +24V DC power
8 gray 24V return (power ground)
9 white +5V output (5 mA max.)
10 black analog signal/board ground
*11 *pink analog signal output
(active in Enhanced “F” models ONLY)
12 tan analog signal/board ground
J4 Pins Wire Color Function
1 brown/white +aux input #1
2 red/black -aux input #1
3 orange/black +aux input #2
4 yellow/black -aux input #2
5 green/white suspend control
6 black/white digital output/board ground
7 blue/white digital output #1
8 gray/black digital output #2
Pin 1
Pin 1
Pin 5
Pin 5
Pin 9
Pin 3
Pin 3
Pin 7
Pin 7
Pin 11
Pin 2
Pin 2
Pin 6
Pin 6
Pin 10
Pin 4
Pin 4
Pin 8
Pin 8
Pin 12
Figure 18: Wires and Terminal Block Pins
Standard Models feature a single 12-wire cable
“F” Models feature a single 20-wire cable
12-Pin MTA Connector
to J3 Terminal Block
Standard
all models
Auxiliary
“F” models only
8-Pin MTA Connector
to J4 Terminal Block
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