Specifications
7SR242 Duobias Data Communications
©2010 Siemens Protection Devices Limited Chapter 4 Page 40 of 43
Analog Inputs
Static (Steady-State) Object Number: 30
Change Event Object Number: 32
Static Variation reported when variation 0 requested: 3 (32-Bit Analog Input w/o Flag), 4 (16-Bit Analog
Input w/o Flag)
Change Event Variation reported when variation 0 requested: 1 (32-Bit Analog Change Event w/o Time)
Point
Index
Name/Description
Default
Class
Default
Variation
Default
Event
Variation
Default
Multiplier
Default
Deadband
39 W1 Line Ic 3 2 4 100 1
40 W1 Relay Ia 3 2 4 100 1
41 W1 Relay Ib 3 2 4 100 1
42 W1 Relay Ic 3 2 4 100 1
43 W2 Primary Ia 3 2 4 0.001 1000
44 W2 Primary Ib 3 2 4 0.001 1000
45 W2 Primary Ic 3 2 4 0.001 1000
46 W2 Secondary Ia 3 2 4 100 1
47 W2 Secondary Ib 3 2 4 100 1
48 W2 Secondary Ic 3 2 4 100 1
49 W2 Nominal Ia 3 2 4 100 1
50 W2 Nominal Ib 3 2 4 100 1
51 W2 Nominal Ic 3 2 4 100 1
52 W2 Line Ia 3 2 4 100 1
53 W2 Line Ib 3 2 4 100 1
54 W2 Line Ic 3 2 4 100 1
55 W2 Relay Ia 3 2 4 100 1
56 W2 Relay Ib 3 2 4 100 1
57 W2 Relay Ic 3 2 4 100 1
73 Fault Records 3 2 4 1 1
74 Event Records 3 2 4 1 1
75 Waveform Records 3 2 4 1 1
76 W1 I Phase A Max 3 2 4 100 1
77 W1 I Phase B Max 3 2 4 100 1
78 W1 I Phase C Max 3 2 4 100 1
79 W2 I Phase A Max 3 2 4 100 1
80 W2 I Phase B Max 3 2 4 100 1
81 W2 I Phase C Max 3 2 4 100 1
Data
Type
Static
Variant
Description
DT1 3 Data is sent as a 32 bit integer in fixed point to 3 decimal places format. E.g. a
value of 1023 = 1.023
DT2 4 Data is sent as a 16 bit integer.










