Modbus Installation - Simplex Saturn Series Manual

modbuS
inStallation
The Saturn load bank
supports the
protocol, implemented
either as RS485 or TCP/
IP (which is an optional
upgrade).
To implement Modbus
control and monitoring,
connect the load bank to
your facility's systems as
follows:
For RS485:
1. Connect the RS485+ line
to TB-COM 1
2. Connect the RS485- line
to TB-COM 2
3. Connect the
shielding to TB-COM
Terminal 3
For Optional Modbus
TCP/IP
1. Plug a CAT5e
into the ethernet jack
on the MODBUS Serial
Converter (see
The Polaris Modbus control set is implemented as detailed in
"Appendix B — Modbus controls" on page 41
Figure 14 TB-COM
Modbus
Figure 15 Modbus Serial
wire
cable
Figure 16 Modbus Serial
Converter
Converter.)
Installation — 13