
298 Parameters
Parameters supported by Modbus backwards compatibility
with 550
ACx550 compatibility mode is a way to communicate with an ACxx80 drive in such a
way that it looks like an ACx550 drive over Modbus RTU or Modbus TCP. This mode
can be enabled by changing parameter
to Enable.
In the 550 compatibility mode all supported parameters can be read as if the drive
were an ACx550. Some parameters are read only and do not support writes. See the
table below to see which parameters support writes.
ACx550
parameter
Name
Read/Write
01.34
COMM RO WORD
Read only
01.35
COMM VALUE 1
Read only
01.36
COMM VALUE 2
Read only
01.41
MWH COUNTER
Read only
01.43
DRIVE ON TIME
Read only
01.45
MOTOR TEMP
Read only
01.50
CB TEMP
Read only
01.74
SAVED KWH
Read only
01.75
SAVED MWH
Read only
01.77
SAVED AMOUNT 2
Read only
01.78
SAVED CO2
Read only
03.01
FB CMD WORD 1
Read only
03.02
FB CMD WORD 2
Read only
03.03
FB STS WORD 1
Read only
03.04
FB STS WORD 2
Read only
03.05
FAULT WORD 1
Read only
03.06
FAULT WORD 2
Read only
03.07
FAULT WORD 3
Read only
03.08
ALARM WORD 1
Read only
03.09
ALARM WORD 2
Read only
04.01
LAST FAULT
Read only
04.12
PREVIOUS FAULT 1
Read only
04.13
PREVIOUS FAULT 2
Read only
10.01
EXT1 COMMANDS
Read/Write
10.02
EXT2 COMMANDS
Read/Write
10.03
DIRECTION
Read/Write
10.04
JOGGING SEL
Read/Write
11.02
EXT1/EXT2 SEL
Read/Write
11.03
REF1 SELECT
Read/Write
ACx550
parameter
Name
Read/Write
01.01
SPEED & DIR
Read only
01.02
SPEED
Read only
01.03
OUTPUT FREQ
Read only
01.04
CURRENT
Read only
01.05
TORQUE
Read only
01.06
POWER
Read only
01.07
DC BUS VOLTAGE
Read only
01.09
OUTPUT VOLTAGE
Read only
01.10
DRIVE TEMP
Read only
01.11
EXTERNAL REF 1
Read only
01.13
CTRL LOCATION
Read only
01.14
RUN TIME
Read only
01.15
KWH COUNTER
Read only
01.18
DI 1-3 STATUS
Read only
01.19
DI 4-6 STATUS
Read only
01.20
AI 1
Read only
01.21
AI 2
Read only
01.22
RO 1-3 STATUS
Read only
01.23
RO 4-6 STATUS
Read only
01.24
AO 1
Read only
01.25
AO 2
Read only
01.26
PID 1 OUTPUT
Read only
01.27
PID 2 OUTPUT
Read only
01.28
PID 1 SETPNT
Read only
01.29
PID 2 SETPNT
Read only
01.30
PID 1 FBK
Read only
01.31
PID 2 FBK
Read only
01.32
PID 1 DEVIATION
Read only
01.33
PID 2 DEVIATION
Read only
ACS180 FW.book Page 298 Tuesday, March 9, 2021 2:25 PM