Unitech MR550 manual Auxillary RS232 Pin Assignments, Terminal Block, Pin Function Description

Models: MR550

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Chapter 2 - Specifications

2.9.3 - Auxillary RS232 Pin Assignments

Pin

Signal

Description

 

 

 

1

-

Not Available

 

 

 

2

RXD

Received Data

 

 

 

3

TXD

Transmitted Data

 

 

 

4

-

Not Available

 

 

 

5

GND

Ground

 

 

 

6

-

Not Available

 

 

 

7

RTS

Request To Send

 

 

 

8

CTS

Clear To Send

 

 

 

2.9.4 - Terminal Block

Pin

Function

Description

 

 

 

1

RY2-C

Common

 

 

 

2

RY2-NC

Normal Close

 

 

 

3

RY2-NO

Normal Open

 

 

 

4

RY1-C

Common

 

 

 

5

RY1-NC

Normal Close

 

 

 

6

RY1-NO

Normal Open

 

 

 

7

DI-1

Photo-In Cathode(-)

 

 

 

8

DI-2

Photo-Out Anode(+)

 

 

 

9

5V

Positive 5 Volts

 

 

 

10

5V

Ground

 

 

 

11

12V

Positive 12 Volts

 

 

 

12

5V

Ground

 

 

 

10

MR550 User’s Manual

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Image 16
Unitech MR550 manual Auxillary RS232 Pin Assignments, Terminal Block, Pin Function Description