GE PACSystems RX7i Reference Manual page 98

Time-of-Day Clock
Time-of-Day Clock Accuracy (@60°C)
Elapsed Time Clock (internal timing) accuracy
Simple Network Time Protocol (SNTP) accuracy to timestamp
Redundancy Features
Memory Error Checking and Correction (ECC)
Max data in redundancy transfer list
Redundant Synchronized Links Supported
Environmental
52
Same battery as for memory backup
53
Switchover time is defined as the time from failure detection until backup CPU is active in a redundancy system.
54
Symbolic variable and Reference data can be exchanged between redundancy controllers, up to the stipulated limit.
GFK-2222AD
±9 secs/day
±0.01% max
52
RTC Battery Backup
RTC Battery Life expectancy See GFK-2741
53
Switchover Time (max)
53
Switchover Time (min)
54
See GFK-2223 App A
April 2018
CPE010 CPE020
±9 secs/day
±0.01% max
±2 ms ±2 ms
Y Y
See GFK-2741
Model CRE020 Only
Single bit correcting &
Multiple bit checking
1 logic scan
3.133 ms
2 Mbytes
RMX128 x2 max
See GFK-2223 App A
Chapter 2. CPU Features & Specifications
CPE030 CPE040
±2 secs/day ±2 secs/day
±0.01% max ±0.01% max
±2 ms ±2 ms
Y
See GFK-2741 See GFK-2741
Model CRE030 Only Model CRE040 Only
Single bit correcting & Single bit correcting &
Multiple bit checking Multiple bit checking
1 logic scan 1 logic scan
3.133 ms 3.133 ms
2 Mbytes 2 Mbytes
RMX128 x2 max RMX128 x2 max
See GFK-2223 App A See GFK-2223 App A
Y
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