Siemens SIMATIC FM 453 Manual page 356

Technical Specifications
Step drive
Output signals, 5 V to RS422 standard
Differential output voltage
Output voltage "1"
Output voltage "0"
Load resistance
Output current
Pulse frequency
READY1 ready signal (drive ready)
Input voltage "1"
Input voltage "0"
Cable length
Encoder Inputs
Technical data for encoder inputs:
Position detection
Signal voltages
Encoder supply voltage
Input frequency and line length for
incremental encoder
Data transmission rates and line
length for absolute encoder (SSI)
Cable length for incremental encoder
Cable length for absolute encoder
(SSI)
A-4
V
OD
V
OH
V
OL
R
L
I
O
f
P
5 V encoder supply
24 V encoder supply
= 100 Ω)
Min. 2 V (R
L
Type 3.7 V (I = –30 mA)
O
Type 1.1 V (I = 30 mA)
O
Min. 55 Ω
Max. 60 mA
Max. 1 MHz
Open or min. 3.5 V
Max. 1 V (for 2 mA loads)
35 m for symmetrical transmission
10 m for asymmetrical transmission
Incremental
Absolute (SSI)
Inputs: 5 V, RS422-compliant
5 V/300 mA
24 V/300 mA
Max. 1 MHz wih 10 m conductor length
shielded
Max. 500 kHz with 35 m conductor length
shielded
Max. 1.25 Mbit/s with 10 m conductor
length shielded
Max. 156 kbit/s with 250 m conductor
length shielded
Max. 25 m for max. 300 mA
(tolerance 4.75...5.25 V)
Max. 35 m for max. 210 mA
(tolerance 4.75...5.25 V)
Max. 100 m for max. 300 mA
(tolerance 20.4...28.8 V)
Max. 300 m for max. 300 mA
(tolerance 11...30 V)
See data transmission rates
FM 453 Servo Drive / Step Drive Positioning Module
C79000-G7076-C453-01