Veeder-Root EMR3 - Figure 21. Connecting 3-Way Valve to Neptune Meter - Truck LP Gas Installations

EMR3 Truck Installation Installing the Interconnection Box (IB)
30
Figure 22. Wiring the Interconnection Box
Table 8.- 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/trkib3wir.eps
Bushing
Nut
Cord Grip (Typ)
Intrinsically safe circuitry cover
shown open to left for access
to Display Head terminal blocks
Cable (and drain wire)
from Display Head 2 (or
optional Remote Display
)
is wired exactly as show
n
for Display Head 1 abov
e
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.
IB Terminal
Ground
V+
Wire Color
White
Red
Signal
Truck Ground
12 or 24 Vdc (ACC)
Power Connections
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
IB Terminal
IB-A
IB-B
GND
PWR
Wire Color
Green
White
Black
Red
Display Head 1
Cable Connections
Diagnostic LED
CHASSIS GND ONLY
CHASSIS GND ONLY
*Red is the data terminal read (DTR)
signal and is cut off - not used for
most applications.
12 AWG Barrier Ground
1/4"
1/8 "
Insert
screwdriver
to insert
or remove
wire
Pulse
Voltage
Selector
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
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