Omron J7 series, User Manual

Page: 170 / 177

156
List of Parameters
Chapter 10
n69
(0145)
(See note
3.) RS-422A/485
communica-
tions
frequency
reference/
display unit
selection Used to the set the unit of frequency
reference and frequency-related values
to be set or monitored through
communications.
0: 0.1 Hz 1: 0.01 Hz
2: Converted value based on 30,000
as max. frequency
3: 0.1% (Max. frequency: 100%)
0 to 3 1 0 No 7-5
n70
(0146)
(See note
3.) RS-422A/485
communi-
cations Slave
address Used to set the Slave address
(Slave unit number) for communications.
0: Only receives broadcast
messages from the Master.
01 to 32: Slave address
00 to
32 1 00 No 7-6
n71
(0147)
(See note
3.) RS-422A/485
baud rate
selection Used to set the baud rate for
communications.
0: 2,400 bps
1: 4,800 bps
2: 9,600 bps
3: 19,200 bps
0 to 3 1 2 No 7-6
n72
(0148)
(See note
3.) RS-422A/485
parity
selection Used to set the parity for communications.
0: Even parity
1: Odd parity
2: No parity
0 to 2 1 0 No 7-7
n73
(0149)
(See note
3.) RS-422A/485
send wait time Used to set the waiting period for returning a
response after the DSR (data-send-request)
mes-sage is received from the Master. 10 to
65 1 ms 10 No 7-7
n74
(014A)
(See note
3.) RS-422A/485
RTS control
selection Select whether or not to enable the RTS
(request-to-send) communications control
function. 0, 1 1 0 No 7-7
n75
(014B) Low-speed
carrier
frequency
reduction
selec-tion Used to select a function to reduce the
carrier frequency when Inverter is at low
speed.
0: Function disabled
1: Function enabled
Note Normally set n75 to 0.
0.1 1 0 No 6-4
n76
(014C)
(See note
3.) Parameter
copy and
verify function Selects the function to read, copy, and verify
the parameter between the memory of the
Inverter and that of the Digital Operator.
rdy: Ready to accept the next command.
rED: Reads the Inverter parameter.
Cpy: Copies the parameter to the Inverter.
vFY: Verifies the Inverter parameter.
vA: Checks the Inverter capacity display.
Sno: Checks the software number.
rdy to
Sno --- rdy No ---
n77
(014D)
(See note
3.) Parameter
read prohibit
selection Select the copy-prohibit function. Use this
parameter to protect the data in the
EEPROM of the Digital Operator.
0: Read prohibited for Inverter parameters.
(Data cannot be written to EEPROM.)
1: Read possible for Inverter parameters.
(Data can be written to EEPROM.)
0, 1 1 0 No ---
Para-
meter No.
(Register
No. (Hex))
Name Description Setting
range
Unit of
setting
Default
setting
Changes
during
operation
Refer-
ence
page