RS-232 Connections

 

 

 

 

Signal Name

Label

Direction

Terminal

Not used

Not

-

1

 

used

 

 

Not used

Not

-

2

 

Used

 

 

DataB (+)

TDB(+)

In/Out

3

DataA (-)

TDA(-)

In/Out

4

Signal Ground

GND

---

5

Figure 39. MES1B Terminal Block Pin-out for RS-485 Two-Wire

Operation

Manual Documentation Number: MES1A/MES1B-2106m

PN7138-rev001

B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104www.bb-elec.comB&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445www.bb-europe.com

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Image 68
B&B Electronics MES1A manual MES1B Terminal Block Pin-out for RS-485 Two-Wire Operation