Digital Setpoint Source - Rs485 Network; (Tescom Model #85061) - Emerson Tescom ER5000 Series User Manual

ER5000 — Installation Variations
Setpoint Wiring Variations
Digital Setpoint Source — RS485 Network, RS232
to RS485 Converter
(TESCOM™ Model #85061)
The USB protocol isn't networkable, so applications requiring
multiple controllers must use RS485. RS485, wired through a
converter as shown in Figure 29, allows for up to 32 ER5000s to be
daisychained in a network.
GROUND
+24 V DC
- RS485
+ RS485
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BLUE
Figure 29: Multiple Controllers in an RS485 Network (RS232 to RS485 Converter)
WARNING
The controller must be disconnected from the power supply before
any additional wiring or change to jumper configuration is
performed. Do not reconnect the power supply until all additional
wiring connections have been made and are properly installed.
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