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TC500K3US-O Installation Instructions
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of RS485 and connect directly to the RS485 trunk of the monitoring
system (if the user has a protocol converter, connect directly to the
protocol converter);
After connected with shielded cable of shielding layer, apply a single
point of protocol at the monitoring terminal;
Terminals marked with A on the outside are the external power supply
with AC200V.
B is labeled RS485 terminals on the terminal block. Terminals marked
with B are RS485 terminals.
8.10 Power Supply
The power supply mode of control source of TC500K3US-O is divided
into two modes. One is a self-powered mode, and the other is the external
power supply mode. The machine defaults in the internal power supply. Users
can set and choose the power supply mode through the following switch.
8.10.1 Self-Powered Mode
Self-powered mode is shown in Figure 8-11: