Omron SYSDRIVE 3G3MV User Manual page 199

Communications
RS-422/485 Parity Selection
n155
Setting 0 to 2
range
Set Values
Value
0 Even
1 Odd
2 No parity
In normal serial communications, data is configured in single bytes, and messages are
created by stringing together multiple bytes of data. The parity check described here
sets the check for each byte of data. Set the parity check method that is required by the
Master.
The entire message is checked by a separate check code called "CRC-16," so the
Note
communications data will be checked even if no special parity check is performed.
H Send Wait Time Setting (n156)
·Set this parameter to an awaiting period for returning a response after the DSR (data-
send-request) message is received from the Master.
n156 RS-422/485 Send Wait Time
Setting 10 to 65 (ms)
range
Set Values
·When the DSR message is received from the Master, the Inverter must wait for a com-
munications time of 24-bit length plus the set value in n156 before returning a
response.
Set this value according to the response time of the Master.
H RTS Control Selection (n157)
·Select whether or not to enable the RTS (request-to-send) communications control
function.
Register 019B
Hex
Unit of 1
setting
Description
Register 019C
Hex
Unit of 1 ms
setting
Chapter 7
Changes during No
operation
Default setting 0
Changes during No
operation
Default setting 10
7-5