ABB LevelMaster 7100, User Manual, Page: 46 / 100

LevelMaster 7100 User manual 2105835 Rev AA | 36
EA
R
TH
2
E
AR
TH
1
EA
R
TH
4
E
AR
TH
3
CHANNEL 1
CHANNEL 2
CHANNEL 3
CHANNEL 4
J1
PO
W
E
R
C
O
N
N
E
C
TIO
N
E1
POWER +
POWER -
POWER -
1
2
3
C
O
M
M
C
O
N
N
EC
TI
O
N
S
J4
1
CHANNEL 1
2
3
4
1
2
J3
J2
IN
T
R
IN
SIC
A
LL
Y
SA
FE
C
O
N
N
EC
T
IO
N
S
CHANNEL 2
CHANNEL 3
CHANNEL 4
GND
POWER OUT
D9
D18 D19
J12
1
3
J11
POWER
SENSOR
EARTH
T- T- T+ T+ - +
D9
D18 D19
J12
1
3
J11
POWER
SENSOR
EARTH
T- T- T+ T+ - +
T+
T-
VDC+
VDC-
T+
T-
VDC+
VDC-
12 AWG WIRE
TO EARTH
GROUND
Figure 33: Wiring the LevelMaster to the barrier board
4. Secure the inserted wires by tightening the connector screws.
5. Insert the J2 and J3 terminal connectors back on the barrier board.
6. Proceed to section 4.5.2.3, Wiring the barrier board to the host controller .
Wiring the barrier board to the host controller
This procedure wires the barrier board to the host controller to complete end-to-end wiring in the hazardous location.
To wire the barrier board to the host controller:
1. Remove the J1 and J4 terminal connectors.
2. Loosen the screws on the J1 and J4 terminal connectors.
3. Insert the wires from the host controller in the correct connector pins. See Figure 34 for quick reference for ABB Totalflow
devices.
IMPORTANT NOTE: Wiring pinouts on ABB Totalflow remote controllers or flow computers vary depending on the
model installed in the field.
a. Insert communication wires in CHANNEL 1 and CHANNEL 2 on J4.
b. Insert power wires in the J1-1 (POWER +) and J1-2 (POWER –) pins.