Veeder-Root EMR3 Installation Manual page 54

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