9
Memory
Mapping:
Coils
This is primarily used to control drive operation
and to read out basic status information.
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
Signal Direction
1 – 16
Drive Control Word (see table)
Master to Drive
17 - 32
Drive Speed or Setpoint Reference
0
HEX
=
0% Reference, the value set in
parameter 204.
4000
HEX
= 100% Reference, the value
set in parameter 205.
8000
HEX
= 200% Reference, the
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
Master to Drive
33 – 48
Drive Status Word (see table)
Drive to Master
49 – 64
Open Loop Mode
: Drive Output
Frequency
0
HEX
=
0% of the reference value set in
parameter 204.
4000
HEX
= 100% of the reference value
set in parameter 205.
Closed Loop Mode
: Drive Feedback
Signal
0
HEX
=
0% of the reference value set in
parameter 204.
4000
HEX
= 100% of the Reference value
set in parameter 205.
Drive to Master
65
Parameter Write Control (Master to Drive)
0
Î
Parameter changes are written to
the drive’s RAM and are lost when
power is removed from the drive.
1
Î
Parameter changes are written to
the drive RAM and to its EEPROM
and are maintained when power is
removed from the drive.
Master to Drive
66 - 65536 Reserved
Summary of Contents for Mobrus RTU TR1 Series
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