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7-4．Limit set
Limit set can be done 2 different upper limits (alarm) in the range of 4〜20mA（signal
level 0〜100％）
In case signal change gets severe however, chattering might rise often.
In such case you may be recommended to use integral function or delay function at/from
higher position (Customers expertise) respectively.
【Limit 1，2 and action chart of trouble alarm】
Limit output（upper limit alarm）
Trouble alarm
Power OFF to close COM-NO
20mA
4mA
COM-NO open
LED Off
Power OFF to open COM-NO
Fig.13. Operation chart（upper limit alarm）
Device normal
COM-NO open
LED off
Fig.14. Operation chart（Trouble alarm）
COM-NO close
LED On
Trouble
COM-NO close
LED on
- 10 -
Limit set value（ON）
Limit set value（OFF）
Time
COM-NO open
LED Off
Device normal
COM-NO open
LED off
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