Technical Specifications
A-3
FM 351 Positioning Module
C79000-G7076-C351-02
Technical Specifications
Dimensions and weight
Dimensions W H D (mm) 80 125 120
Weight Approx. 535 g
Current, voltage and power
Current consumption (from the backplane bus) max. 200 mA
Power dissipation Typ. 7.9 W
Auxiliary power supply for the encoders Auxiliary supply: 24 V DC (X1, terminal 1)
(permitted range: 20.4 to 28.8V)
Encoder supply • Horizontal installation S7-300, 20° C:
– 5.2 V/500 mA (for both channels)
– 24 V/800 mA (for both channels)
• Horizontal installation S7-300, 60° C:
– 5.2 V/500 mA (for both channels)
– 24 V/600 mA (for both channels)
• Vertical installation S7-300 S7-300, 40° C:
– 5.2 V/500 mA (for both channels)
– 24 V/600 mA (for both channels)
• Current consumption from 1L+ (without load):
max. 100 mA (X1, terminal 1)
• Encoder supply 24 V, unregulated
– L+ –2V (X2/X3, terminal 5)
– Short-circuit protection: yes, thermic
• Encoder power supply 5.2V (X2/X3, terminal 6)
Short–circuit protection: yes, electroic
• Permitted potential difference between input
(ground) and central ground connection of the
CPU: DC 1V
Auxiliary power supply for the load current Auxiliary supply: 24 V DC (X1, terminal 19)
(permitted range: 20.4 to 28.8V)
Supply of digital inputs and outputs • Current consumption from 2L+ (without load):
max. 50 mA (X1, terminal 19)
• Permitted potential difference between input
ground connection 1M (X1, teminal 2)
– and the central grounding point (shield): AC
60V; DC 75V
– Insulation tested with 500 V DC
• Permitted potential difference between input
ground connection 2M (X1, terminal 20)
– and the central grounding point (shield): AC
60V; DC 75V
– Insulation tested with 500 V DC
Load voltage reverse polarity protection No
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