Inverter Parameter Setup - Omron MX2 User Manual

Connecting the Inverter to ModBus
Func.
Code
A001 Frequency source
A002 Run command source
C071 Communication speed
C072 Modbus Address
C074 Communication parity
C075 Communication stop bit
C076 Communication error select
C077 Communication error time-out
C078 Communication wait time
Inverter Parameter Setup – The inverter has several settings related to
ModBus communications. The table below lists them together. The Required
column indicates which parameters must be set properly to allow communica-
tions. You may need to refer to the host computer documentation in order to
match some of its settings.
Name
Note When you change any of the parameters above, the inverter power must be
rebooted in order to activate new parameters. Instead of rebooting, turning
ON/OFF of reset terminal works as same.
Required
✓
00 Keypad potentiometer
01 Control terminal
02 Function F001 setting
03 ModBus network input
10 Calculate function output
✓
01 Control terminal
02 Run key on keypad, or digital operator
03 ModBus network input
✓
03 2400 bps
04 4800 bps
05 9600 bps
06 19.2 k bps
07 38.4 k bps
08 57.6 k bps
09 76.8 k bps
10 115.2 k bps
✓
Network address, range is 1 to 247
✓
00 No parity
01 Even parity
02 Odd parity
✓
Range is 1 or 2
– 00 Trip (Error code E60)
01 Decelerate to a stop and trip
02 Disable
03 Free run stop (coasting)
04 Decelerate to a stop
– Comm. Watchdog timer period,
range is 0.00 to 99.99 sec.
✓
Time the inverter waits after receiving a
message before it transmits.
Range is 0. to 1000. ms
Section B-2
Settings
263