120 plus port, Pr tx, Rs-232 transmit data – Rice Lake 120 Plus Digital Weight Indicator User Manual
Page 13: Edp tx, Edp rx, Rs-232 receive data, 20 ma transmit data, Pr gnd, Rs-232 ground, Pc port

Installation
9
2.2.1
Optional Digital I/O-Interface Cable (PN 106705)
An optional 15 pin digital I/O-interface cable plugs into the back of the 120 Plus indicator via the DB-15 connector.
Figure 2-7. Optional Digital I/O-Interface Connector
The blunt end of wires is delivered with approximately four inches of exposed wire that can typically be wired into
terminal strips or connectors. The following table illustrates the wiring colors.
Port
Pin
Designation
Function
120 Plus Port
1
PR TX
RS-232 Transmit Data
2
EDP TX
RS-232 Transmit Data
6
EDP RX
RS-232 Receive Data
11
PR TX
20 mA Transmit Data
12
PR GND
RS-232 Ground
PC Port
(DB-9 Connector)
2
EDP RX
RS-232 Receive Data
3
EDP TX
RS-232 Transmit Data
5
EDP GND
RS-232 Ground
Printer/Remote
Display Port
--
RxD
RS-232 Receive Data
--
GND
RS-232 Ground
Table 2-3. Port Wiring
DB-15 Pin Outs
Wire Color
DB-15 Pin Outs
Wire Color
1
Black
9
Grey
2
Brown
10
White
3
Red
11
Pink
4
Orange
12
Light Blue
5
Yellow
13
Light Green
6
Green
14
Red/Black
7
Blue
15
White/Black
8
Purple
Table 2-4. Digital I/O-Interface Cable Colors
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