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RS232 (9W 'D' plug)

A 9W 'D' plug provides RS232 communications to third party devices, this is typically a temperature sensing interface. It provides one transmit and receive signal as well as CTS and RTS lines for handshaking. DTR indicates to the other device that this device is powered.

SPA3-2 connectors - E-STOP (9-pin 'D' socket)

Pin

Function

1

Reserved

2

RX_IN

3

TX_OUT

4

DTR_OUT

5

0 V

6

Reserved

7

RTS_OUT

8

CTS_IN

9

Reserved

Shell

Screen

NOTE: The RS232 interface is configured using the UCCassist software.