Siemens SIMATIC AFD4 - Page 37

Technical specifications
3.4 Technical specifications for active field distributor AFD4 (FM) (6ES7655-5DX40-1AA1)
Active field distributors AFD4, AFD4 (FM), AFD8 and AFS
Product Information, 02/2015, A5E03775304-AC
37
• Max. conductor cross-section
2.5 mm
2
Automatic bus termination
Yes
Maximum permissible continuous main line cur-
rent
1 A
Spur cables
Number n 4
Number of connectable field devices
4
Terminals
Screw-type terminals (2-pin)
Cable gland
M16
Cable type
Type A
• Min. cable diameter
Corresponds to cable gland used
• Max. cable diameter
• 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 spur line 1 to
4
60 mA
Short-circuit current (test current)
6 mA
Debounce logic
Yes
Max. no-load voltage on the spur line
< 30 V
Max. current output to field devices
240 mA
Grounding
Direct grounding
By means of grounding bar
Interrupts, diagnostics, status information
Status indicator
Yes
Interrupts
None
Diagnostic function Yes
Diagnostic display LED
Yes
Data transmission
Between main line and spur lines
Passive, no repeater function
Electrical isolation
Between main line and spur lines
No
Environmental requirements
Operating temperature
• min.
-40 ℃
• max.
70 ℃
Storage/transport temperature
• min.
-40 ℃
• max.
85 ℃