Example 1 Start The Drive And Give It A Reference Via Modbus Rtu - Trane Mobrus RTU TR1 Series Instruction Manual

Example 1
While this example shows both starting the drive and giving it a reference via Modbus RTU, it is
possible to simply give it a start command. To do this, force only coils 1 through 16.
•
•
Byte 0
Slave
Address
01
Byte 7
Force Coils
Addr. 0-7
7C
Byte 0
Slave Address
Byte 6
14
Byte 1 Byte 2
Function Coil Addr.,
High
0F 00
Byte 8 Byte 9
Force Coils Force Coils
Addr. 8-15 Addr. 16-23
04 99
Byte 1
Function Coil Addr.,
01 0F
Byte 7
CRC Error Check
54 13
Byte 3 Byte 4
Coil Addr. No. of Coils,
Low High
00 00
Byte 10 Byte 11
Force Coils CRC Error Check
Addr, 24-31
19 37
Byte 2 Byte 3
Coil Addr.
High Low
00 00
Byte 5 Byte 6
No. of Coils, Byte Count
Low
20 04
Byte 12
43
Byte 4 Byte 5
No. of Coils, No. of Coils,
High Low
00 20