simatic s7-300 - megaelektrik.net

SIMATIC S7-300
Function modules
FM 351 positioning module
■ Overview
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• Two-channel positioning modu le for rapid-traverse/creepspeed
drives
• 4 digital outputs per ch annel for motor control
• Incremental or synchro-serial position decoding
Note:
SIMODRIVE Sensor/Motion Connect 500 feature positionmeasuring
systems and preassembled connecting cables for
counting and positioning functions.
Additional information is available in the Internet under:
http://www.siemens.com/simatic-technology
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■ Technical specifications
6ES7 351-1AH01-0AE0
Supply voltages
Rated value
- 24 V DC Yes
Current consumption
• Current consumption, max. 350 mA
Connection system
• Requisite front connector
1 x 20-pin
Digital inputs
• Number of digital inputs 8
• Functions
Reference cam, reversing cam,
set actual value on-the-fly,
start/stop positioning motion
Input voltage
- Rated value, DC 24 V
- for signal "0" -3 to 5 V
- for signal "1" 11 to 30 V
Input current
• For 2-wire BERO
- For 0 signal, typical 2 mA
- For 1 signal, typical 6 mA
Digital outputs
• Number of digital outputs 8
• Functions
Rapid traverse, creep speed,
clockwise rotation,
counter-clockwise rotation
• Short-circuit protection of the Yes
output
Output voltage
- Rated value (DC) 24 V
- for 1 signal UP - 0.8 V
Output current
- for 1 signal permissible range 5 mA; at UPmax
for 0 to 60 °C, min.
- for 1 signal permissible range 600 mA; at UPmax
for 0 to 60 °C, max.
- for 0 signal residual current, max. 0.5 mA
6ES7 351-1AH01-0AE0
Sensor supply
5 V - sensor supply
-5 V Yes
- Output current, max. 350 mA
- Length of cable, max. 32 m
24 V - sensor supply
- 24 V Yes
- Output current, max. 400 mA; per channel
- Length of cable, max. 100 m
Sensor
Connectable encoders
- Incremental encoder
Yes
(symmetrical)
- Incremental encoder
Yes
(asymmetrical)
- Absolute encoder (SSI) Yes
- 2-wire BEROS Yes
- permissible closed-circuit current
(2-wire BEROS), max.
2 mA; at signal "0", max. 2 mA;
at signal "1", max. 6 mA
Incremental encoder (symmetrical)
- Track mark signals A, notA, B, notB
- Zero mark signal N, notN
- Input signal 5 V differential signal
(phys. RS 422)
- Input frequency, max. 0,5 MHz
Incremental encoder
(asymmetrical)
- Track mark signals A, B
- Zero mark signal N
- Input voltage 24 V
- Input frequency, max. 50 kHz; 50 kHz for 25 m cable
length, 25 kHz for 100 m cable
length
Absolute encoder (SSI)
- Input signal 5 V differential signal
(phys. RS 422)
- Data signal DATA, notDATA
- Clock signal CL, notCL
- Frame length 13 or 25 Bit
- Clock frequency, max. 1 MHz
- Gray code Yes
- Length of cable (shielded), max. 300 m; at max. 125 kHz
Siemens ST 70 · 2005
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