Table 651: Binary I/O connectors
Connector type Rated voltage Maximum conductor area
Screw compression type 250 V AC
2.5 mm
2
(AWG14)
2 × 1 mm
2
(2 x AWG18)
22.5.4 Influencing factors
SEMOD52785-1 v1
M16705-1 v12
Table 652: Temperature and humidity influence
Parameter Reference value Nominal range Influence
Ambient temperature,
operate value
+20°C -20°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 653: 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%
100-250 V DC
±20%
Interruption
interval
0–50 ms
No restart
0–∞ s Correct
behaviour at
power down
Restart time < 300 s
Table 654: Frequency influence (reference standard: IEC 60255–1)
Dependence on
Within nominal range Influence
Frequency dependence,
operate value
f
r
±2.5 Hz for 50 Hz
f
r
±3.0 Hz for 60 Hz
±1.0%/Hz
Harmonic frequency
dependence (20%
content)
2
nd
, 3
rd
and 5
th
harmonic of f
r
±1.0%
Harmonic frequency
dependence for distance
protection (10% content)
2
nd
, 3
rd
and 5
th
harmonic of f
r
±10.0%
1MRK 505 394-UEN A Section 22
IED hardware
Line differential protection RED650 2.2 IEC 861
Technical manual
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