Drawing No. LP0673
Revised 08 2021
4
3.2 INPUT WIRING
USER INPUT WIRING
CAUTION:
Analog common is NOT isolated from user input
common. In order to preserve the safety of the meter
application, the DC common must be suitably isolated
from hazardous live earth referenced voltage; or input
common must be at protective earth ground potential. If
not, hazardous voltage may be present at the User Input
and Input Common terminals. Appropriate considerations
must then be given to the potential of the input common
with respect to earth ground. Always connect the analog
signal common to terminal 2.
The User Input is located: LD2 - left side,
LD4 - right side
Terminal 5: User Input
Terminal 6: User Comm
3.3 SETPOINT (OUTPUT) WIRING
The setpoint relays use a six position terminal block (TBB) located
inside the (right side).
Terminal 1: NC 1
Terminal 2: NO 2
Terminal 3: Relay 1 Common
Terminal 4: NC 1
Terminal 5: NO 2
Terminal 6: Relay 2 Common
USER
5
USER COMM
6
TBC
USER
USER COMM
6
5
TBC
+
-
1 N.C. 1
COMM 1
3
2 N.O. 1
TBB
4
5
6
N.C. 2
N.O. 2
COMM 2
Sinking Logic
Sourcing Logic
USER COMM
6
5
CURREN
T
+EXC
4
3
2
1
TBC
VO
LT
ANALOG COMM
USE
R
RANGE SELECT JUMPERS
2 mA
20 V/200
V
10
V
200 mV/2
V
200 mA
20 mA
200µA
Current Signal
(self powered)
Terminal 3: +ADC
Terminal 2: -ADC
Voltage Signal
(self powered)
Terminal 1: +VDC
Terminal 2: -VDC
Current Signal (2 wire
requiring excitation)
Terminal 4: +EXC
Terminal 3: +ADC
1
2
+
-
200 VDC MAX.
VO
LT
ANALOG COMM
INPUT SIGNAL WIRING
Current Signal (3 wire
requiring excitation)
Terminal 3: +ADC (signal)
Terminal 2: -ADC (common)
Terminal 4: +EXC
Voltage Signal (3 wire
requiring excitation)
Terminal 1: +VDC (signal)
Terminal 2: -VDC (common)
Terminal 4: +EXC
Load
200 MA DC MAX.
ANALOG COMM
CURRENT
2
+
-
3
3 WIRE TRANSMITTER
VO
LT
1
+ EXC
ANALOG COMM
I
out
V
out
2
COMM
3
4
CURRENT
TRANSMITTER
-
+
+ EXC
CURRENT
3
2 WIRE
4
Before connecting signal wires,
verify the Input Range Jumper is in
the proper position.
The power wiring is made via the 3 position terminal block (TBA) located inside
the unit (right side). The DC out power is located: LD2 - left side, LD4 - right side
3.1 POWER WIRING
USER COMM
+ EXC
6
4
TBC
DC Out Power
Terminal 4: + 24 VDC OUT
Terminal 6: User Common
Power
Terminal 1: VAC/DC +
Terminal 2: VAC/DC -
Terminal 3: Protective
Conductor Terminal
1
2
L(+)
N(-)
3
TBA
+
-