User Manual

Pin # Color Function Input*

1 Red +V (Main Power In)

2 Black I/O 1

3 Brown RS485B (-)

4 Black/Whit

RS485A (+)

5 Orange Switch Closure to GND (IN) 4

6 Green GND (-V of main power in)

7 White Opto Sensor Phototransistor (IN) 3

8 Blue I/O 2

9 Yellow Opto Sensor LED (Power Out)

Table 2: Pin Assignments

*Inputs are labeled 1, 2, 3 and 4 for programming the ‘Halt’ and ‘Skip’ Commands.

Figure 2: DB-9 Female Cable Connector (When viewing R256 DB-9)

Connecting to the RS232 card (RoHS version)

See Section 9 for connecting to old non-RoHS version, using a red 4-pin connector

R256 pin# R256 color *RS232 card pin#

4 Black/white 1 (RS485A)

6 Green

2 (GND connect to Power

Supply Ground)

3 Brown 3 (RS485B)

Table 3

Figure 3

Connecting to the USB card

R256 pin# R256 color *USB pin#

4 Black/white 1 (RS485A)

RMS Technologies Page 8 Version 1.05

R256 Controller Manual 4/3/2009

Pin 1