Siemens SIMATIC AFD4 - Page 39

Technical specifications
3.5 Technical specifications of active field distributors AFD8 (6ES7157-0AG82-0XA0)
Active field distributors AFD4, AFD4 (FM), AFD8 and AFS
Product Information, 02/2015, A5E03775304-AC
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Connections
Main cables
Quantity
2
Connection terminals (internal)
Screw-type terminals (2-pin)
Cable gland (enclosure) M16
Cable type
Type A
• Min. cable diameter
4 mm
• Max. cable diameter
9 mm
• Min. conductor cross-section
0.2 mm
2
• Max. conductor cross-section
2.5 mm
2
Automatic bus termination
Yes
Maximum permitted continuous current on main
line
1 A
Spur lines
Number n
8
Number of connectable field devices
8
Connection terminals
Screw-type terminals (2-pin)
Cable gland
M16
Cable type
Type A
• Min. cable diameter
4 mm
• Max. cable diameter
9 mm
• Min. conductor cross-section
0.2 mm
2
• Max. conductor cross-section
2.5 mm
2
Short-circuit proof
Yes
Intrinsically safe according to FISCO
No
Max. DC current of the field devices on spur line
1 to 8
60 mA
Short-circuit current (test current)
6 mA
Debounce logic
Yes
Maximum no-load voltage on spur line
< 30 V
Max. current output to field devices
480 mA
Grounding
• Direct grounding
Via ground rails
Interrupts, diagnostics, status information
Status display
Yes
Interrupts None
Diagnostics function
Yes
Diagnostic indicator LED
Yes
Data transmission
Between main line and spur lines
Passive, no repeater function