7-3
n151 RS-422/485 Communica-
tions Time-over Detection
Selection
Register 0197
Hex
Changes during
operation
No
Setting
range
0 to 4 Unit of
setting
1 Default setting 0
Set Values
Value Description
0 Detects a time-over and fatal error and coasts to a stop (see note 1)
1 Detects a time-over and fatal error and decelerates to a stop in deceleration
time 1 (see note 1)
2 Detects a time-over and fatal error and decelerates to a stop in deceleration
time 2 (see note 1)
3 Detects a time-over and nonfatal error warning and continues operating. The
warning is canceled when the communications return to normal. (see note 2)
4 No time-over is detected.
Note 1. The fatal error is canceled with error reset input.
Note 2. The nonfatal error warning is canceled when the communications returns to
normal.
H Communications Frequency Reference/Display Unit Selection
(n152)
·Set this parameter to the unit of frequency reference and frequency-related values to
be set or monitored through communications.
·This unit is for communications use only and independent from the units of setting
made through the Digital Operator.
n152 RS-422/485 Communica-
tions Frequency Reference/
Display Unit Selection
Register 0198
Hex
Changes during
operation
No
Setting
range
0 to 3 Unit of
setting
1 Default setting 0
Set Values
Value Description
0 0.1 Hz
1 0.01 Hz
2 Converted value based on 30,000 as max. frequency
3 0.1% (Max. frequency: 100%)
Communications Chapter 7
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