Siemens SIMATIC S5-90U System Manual page 519

S5-90U/S5-95U
Technical Specifications
Encoders
Actual value sensing
Maximum traversing range
- with incremental encoders
- with absolute encoders
Signal voltages
- Differential inputs
- Asymmetrical inputs
Supply voltage 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 signal):
Data transmission rate and
cable length with absolute
encoders (selectable in steps)
Input signals
- Incremental
- 24 V initiator (BERO)
- SSI
Input currents
- 5 V
- 24 V
EWA 4NEB 812 6115-02b
Digital Inputs
Input voltage range
incremental, absolute
Galvanic isolation
(SSI interface)
0 signal
1 signal
Permissible zero-signal current
16
2 increments
at 0 signal
16
2 encoders
Input current at 24 V
5 V to RS 422
Other: If the digital inputs are used, they must always
24 V (only
be connected to a defined potential (0 V, 24 V) and
incremental
must not be kept open.
encoders)
Digital Outputs
5 V/300 mA
24 V/300 mA
Output voltage range
Galvanic isolation
Output current at 1 signal
Short-circuit protection
Cable length, shielded
max. 200 kHz for
Supply Voltage
32 m (105 ft.) cable,
shielded
Logic voltage from 24 V
max. 200 kHz for
supply produced with switched-
100 m (328 ft.)
mode power supply
cable, shielded
max. 100 kHz for
Current consumption from 24 V
25 m (82 ft.) cable,
without outputs and sensors
shielded
Undervoltage monitoring
max. 25 kHz for 100
m (328 ft.) cable,
Power Loss
shielded
Module Cycle Time (incl.
dead-time compensation)
125 kHz (160 m/
525 ft. shielded)
Separate cam programs with
250 kHz
max. 32 cams each for forwards
500 kHz
and backwards
1 MHz (32 m/
(incl. dead-time compensation)
105 ft. shileded)
"Common" cam program with
max. 32/64 cams for forwards
and backwards
2 pulse trains
displaced by 90°
1 zero pulse
1 pulse train
Absolute value
to RS 422
typ. 5 mA
Function Modules
-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. 300 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
57.6 µs
57.6/115.2 µs
16-51