Memory Mapping: Coils - Trane Mobrus RTU TR1 Series Instruction Manual

Memory
This is primarily used to control drive operation
Mapping: and to read out basic status information.
Coils
Coil 65 determines whether parameter
changes made via Modbus RTU are held in
the temporary memory (RAM) of the drive or
are, in addition, written to permanent memory
(EEPROM).
Coil
Number Description
1 – 16 Drive Control Word (see table)
17 - 32 Drive Speed or Setpoint Reference
0 = 0% Reference, the value set in
HEX
parameter 204.
4000 =
HEX
set in parameter 205.
8000 =
HEX
maximum value that can be
transmitted via Modbus RTU.
In most cases, if references from multiple
sources are supplied to the drive, the drive
will respond to the sum of the references
33 – 48 Drive Status Word (see table)
49 – 64 Open Loop Mode: Drive Output
Frequency
0 = 0% of the reference value set in
HEX
parameter 204.
4000 =
HEX
set in parameter 205.
Closed Loop Mode: Drive Feedback
Signal
0 = 0% of the reference value set in
HEX
parameter 204.
4000 =
HEX
set in parameter 205.
65 Parameter Write Control (Master to Drive)
0 Parameter changes are written to
the drive's RAM and are lost when
power is removed from the drive.
1 Parameter changes are written to
the drive RAM and to its EEPROM
and are maintained when power is
removed from the drive.
66 - 65536 Reserved
100% Reference, the value
200% Reference, the
100% of the reference value
100% of the Reference value
Signal Direction
Master to Drive
Master to Drive
Drive to Master
Drive to Master
Master to Drive
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