Siemens SIMATIC S7-300 FM 350-1 Manual page 185

Digital outputs
Supply voltage
Electrical isolation
Output voltage
High signal "1"

Low signal "0"

Switching current
Rated value

Range

Rise time
Shut-off voltage (inductive)
short circuit-proof
5-V count inputs
Level
Terminating resistor
Differential input voltage
Maximum count frequency
Electrical isolation to S7-300 bus
Input frequency and cable length of symmetrical 5-V
incremental encoder
Input frequency and cable length of symmetrical 24-V
incremental encoder
24-V count inputs
Low level
High level
Input current
Minimum pulse width (max. count frequency)
Electrical isolation to S7-300 bus
Input frequency and cable length of asymmetrical encoders
(count or digital inputs)
Input frequency and cable length of asymmetrical encoders
(count or digital inputs)
FM 350-1 Counter module
Manual, 05/2011, A5E03648639-01
2L+ / 2M
Yes, against all other circuits, except digital inputs
min. 2L+ - 1.5 V
max. 3 V
0.5 A
5 mA to 0.6 A
max. 300 µs
limited to 2L+ - (45 V to 55 V)
Yes
to RS422
approx. 220 Ohms
min. 1.3 V
500 kHz
No
max. 500 kHz at 32 m length of the cable, shielded
max. 500 kHz at 100 m length of the cable, shielded
-30 V to +5 V
+11 V to +30 V
typically 9 mA
≥ 2.5 µs (200 kHz), ≥ 25 µs (20 kHz) (assignable)
No
Max. 200 kHz at 20 m length of the cable, shielded
Max. 20 kHz at 100 m length of the cable, shielded
Technical data
11.2 Technical data
185