Serial Communications - Hitachi SJ300 Series Instruction Manual

Serial
Communications
"C" Function
Func.
Name
Code
C070 Data command method
C071 Communication speed
selection
C072 Node allocation
C073 Communication data
length selection
C074 Communication parity
selection
C075 Communication stop bit
selection
C078 Communication wait
time
The following table configures the communications port of the SJ300 inverter. You can have up
to thirty-two devices on the serial communications network. The inverters are slaves and the
computer or digital operator is the master. Thus, all inverters on the serial connection must use
the same baud rate, data length, parity, and stop bits. However, each device on the serial
network must have a unique node address. See
information.
Description
Four option codes:
02 Digital operator
03 RS485
04 Expansion card #1
05 Expansion card #2
Five option codes:
02 (Test)
03 2400bps
04 4800bps
05 9600bps
06 19200bps
Set the address of the
inverter on the network.
Range is 1 to 32.
Two option codes:
07 7-bit data
08 8-bit data
Three option codes:
00 No parity
01 Even parity
02 Odd parity
Two option codes:
01 1 stop bit
02 2 stop bits
Time the inverter waits after
receiving a message before it
transmits. Range is 0.0 to
1000 ms
"Serial Communications" on page B–1
Defaults
Run
Mode
Edit
–FE –FU –FR
Lo Hi
(EU) (US) (JP)
✘ ✘
02 02 02
✘ ✔
04 04 04
✘ ✔
1. 1. 1.
✘ ✔
7 7 7
✘ ✔
00 00 00
✘ ✔
1 1 1
✘ ✔
0. 0. 0.
3–59
SJ300 Inverter
for more
SRW Display
Units
— >C070 PARAM
SELECT REM
bps >C071 RS485
BAU 4800bps
— >C072 RS485
ADDRESS 01
— >C073 RS485
BIT 7BIT
— >C074 RS485
PARITY NO
— >C075 RS485
STOPBIT 1BIT
— >C078 RS485
WAIT 0000ms