Siemens simatic et 200s Operating Instructions Manual page 239

Technical Data of the 1PosSSI/Digital
Data for the Digital Outputs
Output voltage
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•
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Output current
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Switch rate
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•
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Lamp load
Output delay (resistive load, output current 0.5 A)
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•
Short-circuit protection of the output
Threshold on
Inductive extinction
Digital input control
Cable lengths
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•
Encoder input SSI
Position detection
Differential signals for SSI data and SSI clock
Data transmission rate and line length with
absolute encoders (twisted pair and shielded)
Age of the encoder value
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Frame runtime
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Monoflop time
ET 200S Positioning
Operating Instructions, 05/2007, A5E00124871-04
Rated value
0 signal
1 signal
0 signal (leakage current)
1 signal
– Rated value
– Permitted range
Resistive load
Inductive load
Lamp load
At 0 to 1
At 1 to 0
Unshielded
Shielded
Max. (2 * frame runtime) + 64 µs
Min. frame runtime
125 kHz
250 kHz
500 kHz
1 MHz
2 MHz
1
5.10 Technical specifications
DC 24 V
≤ 3 V
≥ L+ -1 V
≤ 0.3 mA
0.5 A
7 mA to 0.6 A
100 Hz
2 Hz
≤ 10 Hz
≤5 W
typ. 150 µs
typ. 150 µs
Yes
0.7 A to 1.8 A
Yes; L+ -(55 to 60 V)
Yes
600 m
1000 m
Absolute
According to RS422
125 kHz max. 320 m
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250 kHz max. 160 m
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500 kHz max. 60 m
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1 MHz max. 20 m
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2 MHz max. 8 m
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13 Bit
112 µs
56 µs
28 µs
14 µs
7 µs
64 µs
1PosSSI/Digital
25 Bit
208 µs
104 µs
52 µs
26 µs
13 µs
239