Omron DeviceNet Safety, Руководство по настройке системы

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Maintenance Functions (Unit Version 1.0 or Later) Section 7-2
Each I/O point’s accumulated total ON time can be cleared. To clear the time,
select the total ON time to be cleared and click the
Clear Value Button.
7-2-2 Contact Operation Counter
Overview
In Ver. 1.0 and later NE1A-series Controllers (including NE1A-SCPU01-EIP
and NE1A-SCPU02-EIP), this function counts the number of OFF
→
ON
operations at a local input, test output, or local output and stores the count
internally in non-volatile memory.
• Count range: 0 to 4,294,967,295 operations (stored as 00000000 to
FFFFFFFF Hex)
• Count units: Operations
• Resolution: Depends on the cycle time.
This information can be monitored using the Network Configurator or explicit
messaging.
Note (1) The Contact Operation Counter function (Count) and Total ON Time Mon-
itor function (Time) cannot be used simultaneously on one bit. Select one
of these functions with the Maintenance Counter Mode Choice setting.
(2) When the Maintenance Counter Mode Choice setting is changed, the col-
lected data (operations count or total ON time) will be cleared.
(3) These functions do not operate when the I/O power supply is OFF.
Operations
I/O power supply
Output device
(such as a relay)
Counting the output’s OFF
→
ON operations:
OFF
→
ON
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