Hitachi SJ Series User Manual page 496

Chapter 14
14.2.3 Parameters
Parameter settings
RS485 communication requires the following
settings.
Item
Communication transmission
speed selection
Communication station
number selection
Communication parity
selection
Communication stop bit
selection
Communication error selection
Communication timeout time
Communication waiting time
Communication method
selection
Output terminal functions and
relay output terminal functions
Parameter Data
03
04
05
06
[CF-01]
07
08
09
10
[CF-02] 1.~247.
00
[CF-03] 01
02
1
[CF-04]
2
00
01
[CF-05] 02
03
04
[CF-06] 0.00~100.00 (s)
[CF-07] 0.~1000. (ms)
00
01
[CF-08]
02
[CC-01]~[C
049
C-07]
14-5
RS485 Communication
Description
2400bps
4800bps
9600bps
19200bps
38400bps
57600bps
76800bps
115200bps
Assigns inverter station numbers.
This is to be set in controlling multiple
inverters simultaneously.
No Parity
Even number parity
Odd number parity
1 bit
2 bits
Trip
Trips after decelerating and stopping
Ignore
Free-run stop
Deceleration stop
Determination time for communication
disconnection.
When communication is lost longer than
the determination time, the RS485 error
[E041] will be generated.
The time until the inverter replies.
Modbus-RTU mode
Communication between inverters
(EzCOM)
Communication between inverters
(EzCOM administrator)
When a communication disconnection
occurs, [NDc] signal is turned ON. As the
error is released, the signal will be OFF.