HRW PMAC770, Руководство по установке и эксплуатации

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14.
14.
14. 14.7
7
7 7 Memory
Memory
Memory Memory (optional
(optional
(optional (optional module)
module)
module) module)
The memory space of the Memory module is 64M bit. Each meter can only support
one Memory module.
Note: Note: Note: Note:
(1) In case the power meter is suddenly power off, it could cause the data lost in one
hour.
(2) The data can be stored after continuous power on for one hour.
14.7.1
14.7.1
14.7.1 14.7.1 Install
Install
Install Install
This Memory Module can be directly inserted to the extend interface of PMAC770
basic unit. After insert the memory module, the meter should be restarted to
recognize the memory function.
Before insert or pull out the Memory Module, users should power off the meter.
Otherwise, it can damage to the meter.
14.7.2
14.7.2 14.7.2
14.7.2 Specification
Specification Specification
Specification of
of of
of Memory
Memory Memory
Memory Module
Module Module
Module
Parameter
Parameter Parameter
Parameter Specification
Specification Specification
Specification
Space 64Mbit
Speed 500~1000ms
Temperature -20~55
℃
Service life 10 years
Data save cycle 1 year
Data save interval 5 min
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