Siemens Argus 7SR21 Technical Manual page 602

7SR210 & 7SR220 Applications Guide
ESI-1
Figure 1.2-2 Binary Input Configurations Providing Compliance with EATS 48-4 Classes ESI 1 and ESI 2
Page 8 of 48
+
30 V DC Nominal
(24 V to 37.5 V Operative)
I > 10 mA
470
OP
BI (19 V)
1K5
-
+
48 V DC Nominal
(37.5 V to 60 V Operative)
I > 10 mA
1K6
OP
BI (19 V)
1K5
-
+
110 V DC Nominal
(87.5 V to 137.5 V
Operative)
2K0
I > 25 mA
OP
BI (19 V)
560
-
110 V DC Nominal
+
(87.5 V to 137.5 V
Operative)
I > 25 mA
OP
BI (88 V)
2K7
-
Resistor power ratings:
Resistors must be wired with crimped connections as they may run hot
ESI-2
+
(24 V to 37.5 V Operative)
220
820
-
+
(37.5 V to 60 V Operative)
820
820
-
(10 µF, 60 V Capacitance discharge)
+
1K2
330
-
(10 µF, 150 V Capacitance discharge)
+
1K3
-
(10 µF, 150 V Capacitance discharge)
30 V DC Nominal >3 W
48 V DC Nominal >3 W
110 V DC Nominal >10 W (ESI-1)
110 V DC Nominal >20 W (ESI-2)
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30 V DC Nominal
I > 20 mA
OP
BI (19 V)
48 V DC Nominal
I > 20 mA
OP
BI (19 V)
BI DTL = 10 ms
110 V DC Nominal
(87.5 V to 137.5 V
Operative)
I > 50 mA
OP
BI (19 V)
BI DTL = 10 ms
110 V DC Nominal
(87.5 V to 137.5 V
Operative)
I > 50 mA
OP
BI (88 V)
BI DTL = 10 ms