EMR3 Terminal - Fueling Depot Installation
Installing the Interconnection Box
49
Figure 37. Terminal IB wiring
Table 14.- Intrinsically Safe Wiring for IB
Input
Terminal Label
Display Head 1
IB-A
IB-B
Gnd
Pwr
Display Head 2
(or optional Remote Dis-
play)
IB-A
IB-B
Gnd
Pwr
IB-A
IB-B
GND
PWR
DH1
IB-A
IB-B
GND
PWR
DH2
emr/terib3wir.eps
IB Terminal
Ground
V+
Chassis Gnd Clamp
Wire Color
Black
White
Drain wire
DC Power Supply
-V
+V
Power Connections
12 AWG Barrier Ground
IB Terminal
IB-A
IB-B
GND
PWR
Wire Color
Green
White
Black
Red
Display Head 1
Cable Connections
Diagnostic LED
Intrinsically safe circuitry cover
shown open to left for access
to Display Head terminal blocks
CHASSIS GND ONLY
CHASSIS GND ONLY
Connect Drain wire
of Display Head 1
cable to ground clamp
Pulse Ouput voltage jumper.
Set jumper between Input V
and 5, 12, or 24 V as required.
Cable (and drain wire)
from Display Head 2 (or
optional Remote Display)
is wired exactly as shown
for Display Head 1 above
1/4"
1/8"
Insert
screwdriver
to insert
or remove
wire
IB Terminal
Ground
Power
PRN-RX
PRN-TX
Wire Color
White
Red
Green
Black
Printer Cable Connections
IB Terminal
RX
TX
Ground
DTR*
Wire Color
Green
Black
White
Red
RS-232 Cable Connections
*Red is the data terminal read (DTR)
signal and is cut off - not used for
most applications.
Ground
V+
GP- IN
GP- OUT
Input V
5V Out
12V Out
24V Out
Ground
Stop DH1
Start DH2
Start DH1
Ground
Start SP1
Stop DH2
Ground
RS-485B
RS-485A
RX
TX
Ground
Ground
Ground
Power
PRN-RX
PRN-TX
COM
N.O.
Input
Power
Pulse
Voltage
Selector
IB
Network
Ground
Start SP2
Ground
POUT-1
Switch
Inputs
Start
Pulse
DH1
Printer
Interface
Relay
2
COM
N.O.
Relay
1
COM
N.O.
Relay
2
COM
N.O.
Relay
1
RS-232
Serial
Port
Display
Head
No. 1
Display
Head
No. 2
Start
Pulse
DH2
Pulse
Output
DH1
Ground
POUT-2
Pulse
Output
DH2
