Connecting The Digital Output - GE TransPort PT900 User Manual

Chapter 2. Installation

2.6.3 Connecting the Digital Output

The PT900 provides one RS485/Modbus digital output and also supports a digital
frequency/pulse output and a totalizer/control gate input. Connect the digital output
as shown in Figure 46 below (see the cable to the right). The pin numbers for the
connector and the color code for the standard input/output cable are shown in
Table 1 below.
Connection
RS484-
RS485+
RS485 COM
DIO
DRTN
SHD
Figure 46: Transmitter I/O Connections (Right Side)
36
Table 1: DIO Cable Wiring Diagram
Pin # Color
1 Black
2 Red
3 Green
4 White
5 Yellow
6 Silver
Description
RS485/Modbus Negative
RS485/Modbus Positive
RS485/Modbus Common
Digital IO Positive
Digital IO Return
Cable Shield
®
TransPort PT900 User's Manual