Siemens 7SR10 Argus Series, Manual

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7SR10 Performance Specification
© 2018 Siemens Protection Devices Limited Chapter 3 Page 8 of 52
Table 1-9 DC Performance
Attribute Value
Reset/Operate voltage ratio ≥ 90 %
Response time < 9 ms
Response time when programmed to energise an output relay contact
(i.e. includes output relay operation)
< 20 ms
Table 1-10
Binary Outputs
Number 3 or 6 (2 change over contacts)
Operating Voltage Voltage Free
Operating Mode User selectable - Self or Hand/Electrical Reset or pulsed
Operating Time from
energizing Binary Input
< 20 ms
Making Capacity:
Carry continuously
Make and carry
(L/R ≤ 40 ms and
V ≤ 300 V)
5 A AC or DC
20 A AC or DC for 0.5 s
30 A AC or DC for 0.5 s
Breaking Capacity
( ≤ 5 A and ≤ 300 V):
AC Resistive
AC Inductive
DC Resistive
DC Inductive
1250 VA
250 VA at p.f. ≤ 0.4
75 W
30 W at L/R ≤ 40 ms
50 W at L/R ≤ 10 ms
Disengaging time < 20 ms
Table 1-11
Rear Communication Port
Quantity 1 No. (Optional)
Electrical connection RS485, 2 wire electrical
Protocol Support MODBUS RTU,
IEC 60870-5-103,
DNP 3.0
Rate
Data Transfer rate:
75 bps to 38400 bps
Table 1-12
Front Communication Port
Quantity 1 No.
Electrical connection USB, Type B