Appendix A: RS232/RS485 Electrical Connection
39 (44)
A
RS232/RS485 Electrical Connection
A and B marking differs between different devices, in this product A is TX+/RX+ or D+
and B is TX-/RX- or D-.
A.1
RS485 Typical Connection
The resistors on the Bolt Serial side are termination resistors which form an active termination of the
RS485 line.
Fig. 28
RS485
A.2
RS232 Typical Connection
Fig. 29
RS232
Anybus
®
Wireless Bolt Serial
™
User Manual
SCM-1202-143 1.10 en-US