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10 MR550 User’s Manual
Chapter 2 - Specifications
2.9.3 - Auxillary RS232 Pin Assignments
Request To Send
Pin
2
3
4
5
6
7
8
Signal
-
RXD
TXD
-
GND
-
RTS
CTS
1
Clear To Send
Not Available
Ground
Not Available
Transmitted Data
Received Data
Not Available
Description
Pin
1
2
3
4
5
6
7
8
9
10
11
12
Function
Photo-In Cathode(-)
Photo-Out Anode(+)
RY1-NC
RY2-C
RY2-NC
RY2-NO
RY1-C
RY1-NO
DI-1
DI-2
5V
5V
12V
5V Ground
Ground
Positive 5 Volts
Positive 12 Volts
Normal Open
Normal Open
Normal Close
Normal Close
Common
Common
Description
2.9.4 - Terminal Block