B&B Electronics MES1A User Manual
Page 68
![background image](/manuals/56393/68/background.png)
RS-232 Connections
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 815-433-5104 – www.bb-elec.com
B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com
58
Signal Name
Label
Direction
Terminal
Not used
Not
used
- 1
Not used
Not
Used
- 2
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
This manual is related to the following products: