Motortronics
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Page 6
2.
Connecting Optional Auxiliary Devices
The next steps describe how to connect devices to Msmart
2.1 Connecting Optional RX Motor Protection Relays
Use shielded cable to connect the RX to the Msmart Touch Screen
Msmart
Touch Screen
+
RX #1
-
+
RX #2
-
GND
GND
RS485
RS485
1
2
3
Shield
Shield
J2
A+
A-
4
5
6
Digital
Ground
J2 Port:
RS485/RS422, 6 terminals, non-isolated
Protocol: Modbus RTU
Device Address: Range 2-247
Baud Rate: 19200
Pin 1 = A+, Pin 2 = A-
Note:
Maximum number of RX units (Factory ins Customer installed) is 2.
Communication Settings
Parameter
Description
Settings / Range
Default
RX #1
Default
RX #2
F072
Password
0
– 9999
2000
2000
F060
Communications
Range: 0
– 4
0 = Disabled
1 = Enabled (11 bit format)
2 = Enabled (10 bit format)
3 = Enabled (11 bit) and Remote Start Control
4 = Enabled (10 bit) and Remote Start Control
2
2
F061
Baud Rate
4.8, 9.6 and 19.2 KB
Note: For Msmart set to 19.2 kB
19.2
19.2
F062
Modbus Address 1 - 247
2-247
2-247
