How long will Haiwell PLC clock keep when the plc is power-off ?

2016-08-17 14:05:16 Xiamen Haiwell Technology Co., Ltd. Read

Haiwell PLC program and the data of power-off preserve area will be saved forever. H/N host PLCs are with rechargeable battery, which will preserve the data for 40 days after power-off. After 40 days, the PLC clock time will be a random value when the PLC is power-on again.