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Precision of calendar timer:
At 0°C/32°F, less than –117 seconds error per month.
At 25°C/77°F, less than 52 seconds error per month.
At 55°C/131°F, less than –132 seconds error per month.
Input indicator
On/Off of input point is indicated by input indicator or monitored by ELC-HHP.
When the action condition of the input point is true, this indicator will be on. If
abnormality is identified, check if the indicator and input circuit are normal. Use of
electronic switch with too much electricity leakage often results in unexpected
actions of the input point.
Output indicator
On/Off of output point is indicated by the output indicator. When the output
indicator (On/Off) does not correspond to the action of its load, please be aware of
the following:
1. The output contact may be melted or blocked due to an over loaded or
short-circuited load, which will result in poor contact.
2. If you are suspicious that the output point may execute an undesired action,
check the output wiring circuit and whether the screw is properly tightened.
COM1 and COM2 indicators
If the RS232 LED indicator is On, it means that COM1 is receiving data.
If the RS485 LED indicator is On, it means that COM2 is sending data.
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