Siemens SIMATIC S5-100U System Manual page 460

Function Modules
Technical Specifications
Encoders
Position decoder
Maximum traversing range
- with incremental encoders
- with absolute encoders
Signal voltages
- Differential inputs
- Asymmetrical inputs
Supply votlage for encoders
(short-circuit-proof,
no overload)
Input frequency and cable
length
Symmetrical encoders
(5 V signals):
- with 5 V encoder supply
- with 24 V encoder supply
Asymmetrical encoders
(24 V signale):
Data transmission rate and
cable length with
absolute encoders
Input signals
- Incremental
- 24 V initiator (BERO)
- SSI
Input currents
- 5 V
- 24 V
15-46
incremental, absolute
(SSI interface)
24
2 increments
8192 increments per
revolution × 2048
revolutions
5 V to RS 422
24 V (only
incremental
encoders)
5 V/300 mA
24 V/300 mA
max. 200 kHz for
32 m (105 ft.) cable,
shielded
max. 200 kHz for
100 m (328 ft.)
cable, shielded
max. 100 kHz for
25 m (82 ft.) cable,
shielded
max. 25 kHz for
100 m (328 ft.)
cable, shielded
62.5 kHz
(selectable
in steps)
125 kHz (160 m/
525 ft. shielded)
250 kHz
500 kHz
1 MHz (32 m/
105 ft. shielded)
2 pulse trains
displaced by 90°
1 zero pulse
1 pulse train
Absolute value
to RS 422
typ. 5 mA
Digital Inputs
Input voltage range
Galvanic isolation
0 signal
1 signal
Permissible zero-signal current
at 0 signal
Input current at 24 V
Other: If the digital inputs are used, they must always
be connected to a defined potential (0 V, 24 V) and
must not be kept open.
Digital Outputs
Output voltage range
Galvanic isolation
Output current at 1 signal
Short-circuit protection
Cable length, shielded
Supply Voltage
Logic voltage from 24 V
supply produced with switched-
mode power supply
Current consumption from 24 V
without outputs and encoder
Undervoltage monitoring
Power Loss
EWA 4NEB 812 6120-02b
S5-100U
- 3 V to + 30 V
no
- 3 V to +5 V
+13 V to+30 V
1.1 mA
typ. 5 mA
+20 V to+30 V
no
max. 500 mA
Short-circuit-proof
output
max. 100 m (328 ft.)
4.9 V to 5.1 V
typ. 120 mA
V < 4.65 V
internal
typ. 4 W