Hitachi WJ C1 Series

Chapter 11 RS485 Communication
11-1-2
Code
Item
Description
Data
[C076]
RS485
communication
error selection
Trips with "RS-485 communication error [E41]" at
communication error.
00
Trips with "RS-485 communication error [E41]" at
communication error after deceleration stop.
01
Ignores communication error. Trip does not occur.
02
Stops with free run stop at communication error. Trip does
not occur.
03
Stops with deceleration stop at communication error. Trip
does not occur.
04
[C077]
RS485
communication
timeout
When communication is interrupted and this set time has
elapsed, the motor trips due to "RS-485 communication
error [E41]". When this parameter is set to 0.00, timeout
judgment is not performed.
0.00,
0.01 to
99.99 (s)
[C078]
RS485
communication
wait time
Sets the wait time until the inverter response.
0 to
1000 (ms)
[C096]
RS485
communication
mode selection
Use Modbus-RTU
00
Use Inter-inverter communication (EzCOM)
01
Use Inter-inverter communication (EzCOM)
(Administrator inverter)
02
[C098]
EzCOM start node
No.
Parameters related to inter-inverter communication
function (EzCOM). For details, refer to "11.4 Inter-inverter
Communication Function EzCOM".
1 to 8
[C099]
EzCOM end node
No.
1 to 8
[C100]
EzCOM start
method selection
00, 01
[P140]
to
[P155]
EzCOM related
parameters
-
[P200]
Resister mapping
selection
Parameters related to Modbus mapping function. For
details, refer to "11.3 Modbus Mapping Function".
00, 01
[P201]
to
[P210]
External register 1
to 10
0000h to
FFFFh
[P211]
to
[P220]
External register 1
to 10 format
00, 01
[P221]
to
[P230]
External register 1
to 10 scaling
0.001 to
65.535
[P301]
to
[P310]
Internal register 1
to 10
0000h to
FFFFh
[P400]
Endian selection
Big endian
00
Little Endian
01
Special Endian
02