ABB Relion 670 series, Technical Reference Manual, Page: 1160 / 1232

Because of limitations of space, when ring lug terminal is ordered for
Binary I/O connections, one blank slot is necessary between two
adjacent IO cards. Please refer to the ordering particulars for details.
19.5.3 Influencing factors
Table 720: Temperature and humidity influence
Parameter Reference value Nominal range Influence
Ambient temperature,
operate value
+20 °C -10 °C to +55 °C 0.02% /°C
Relative humidity
Operative range
10%-90%
0%-95%
10%-90% -
Storage temperature -40 °C to +70 °C - -
Table 721: Auxiliary DC supply voltage influence on functionality during operation
Dependence on Reference value Within nominal range Influence
Ripple, in DC auxiliary voltage
Operative range
max. 2%
Full wave rectified
15% of EL 0.01% /%
Auxiliary voltage dependence, operate
value
± 20% of EL 0.01% /%
Interrupted auxiliary DC voltage 24-60 V DC ± 20%
90-250 V DC
±
20%
Interruption
interval
0–50 ms No restart
0–∞ s Correct behaviour
at power down
Restart time <300 s
Section 19
1MRK505222-UUS C
IED hardware
1154
Technical reference manual