User manual

6F8A0917
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10.4 Flow Rate High/Low Limit Alarm Output
Proceed as follows to use the flow rate high/low limit alarm.
High/Low Limit Alarm
Value Setting
• Follow the procedure in 8.2.17 “Flow Rate High/Low alarm” and set the high limit
alarm, high-high limit alarm, low limit alarm or low-low limit alarm to ON and set
the alarm value.
For the alarm not used, set OFF to that alarm setting.
DO Setting
• Follow the procedure in 8.2.14 “Digital I/O Function” and set the Digital Output
(DO) for high limit output, high-high limit alarm output, low limit alarm output or
low-low limit alarm output. In addition, for alarm output state, select Normally Open
or Normally Closed.
Flow rate high/low limit alarm output performance
• In the case of Single range
Output (%)
High limit set-point value
Hysteresis
2.5%
Low limit set-point value
Low limit alarm
generated
High limit alarm
generated
Low limit alarm
generated
Time
* The output state when an alarm occurs becomes the state set for alarm output of digital output.
When the power supply of the converter is turned off, the contact is open.