Reference Guides; Rs232/Rs485 Electrical Connection - HMS Anybus Wireless Bolt Serial User Manual

® ™
Anybus Wireless Bolt Serial

11. Reference Guides

11.1. RS232/RS485 Electrical Connection

NOTE
A and B marking differs between different devices, in this product A is TX-/RX- or D- and B is TX+/RX+
or D+.
RS232 Typical Connection
Figure 38. RS232 Typical Connection
RS485 Typical Connection
NOTE
The resistors on the Bolt Serial side are termination resistors which form an active termination of the
RS485 line.
Figure 39. RS485 Typical Connection
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Reference Guides
SCM-1202-143 2.0