Siemens SIMATIC AFD4 - Page 35

Technical specifications
3.3 Technical specifications of active field distributors AFD4 (6ES7157-0AG81-0XA0)
Active field distributors AFD4, AFD4 (FM), AFD8 and AFS
Product Information, 02/2015, A5E03775304-AC
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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 4
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
240 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
Galvanic isolation
Between main line and spur lines
No
Environmental requirements
Operating temperature
• Min.
-40 °C
• Max.
70 °C
Storage/transport temperatures
• Min.
-40 °C
• Max.
85 °C
Relative humidity
Operation, max.
95%
Degree of protection
IP66
Yes
Installation
Zone 2 / Zone 22
Yes
Class I Zone 2 / Division 2
Yes