Connecting the CoreSense M10 57
Establishing RS-485 connections
The RS-485 can be used in full- or half-duplex mode (see Figure 41). All signals on RS-485 (J18) are
isolated.
termination on the receiver (Rx); the resistor is present on board. The transmitter (Tx) must be
terminated at the other end.
Other RS-485 topologies are not supported.
NOTICE
Use only shielded cable for wiring the RS-485 interface.
—
Figure 41 RS-485 wiring details (full duplex - left, half duplex - right)
Tx–Tx+ Rx– Rx+
Case
GND
Case
Rx–
Tx+
Rx+
GNDTx–
NOTICE
For more information on the various communication cables used, see Table 4 on
page 24 and “Connector definitions” on page 89.
For more information on configuring the communication protocols, refer to the
CoreSense M10 Monitoring System User Guide.
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