SIEMENS
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Siemens IK PI · 2015
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Technical specifications
(continued)
PROFIBUS
Electrical networks (PROFIBUS PA)
Active field distributors
3
Active field splitter AFS
General data
Connection of field devices
• 1 fieldbus segment with max.
31 field devices
•
Operating environment up to Zone
2
oder 22; Class I Zone 2/ Division 2
• The max. current consumption of all
fieldbus components of the fieldbus
segment is 1 A
Degree of protection
IP66
Voltages, currents, potentials
Power supply
Via bus, no auxiliary power necessary
Rated supply voltage,
permissible range
16 ... 32 V DC
Reverse polarity protection
(together with FDC 157)
Yes
Overvoltage protection
No
Current consumption at idle
54 mA
Power loss
Min. 864 mW; max. 2.13 W
Output current for supplying all field
devices of the fieldbus segment
(for dimensioning the device
configuration)
1 A
Grounding
Direct, via connecting bar
Connections, interfaces
Main lines to the FDC 157 couplers
Number of connections
2
Automatic bus terminator
No
Maximum permissible continuous
main line current
1 A
Y-connectors for
fieldbus line segment
Number of connections
1 or 2 (with center feed)
Interfaces
PROFIBUS PA and
FOUNDATION Fieldbus H1
Short-circuit proof
(together with FDC 157)
Yes
Intrinsically-safe acc. to FISCO
No
Current I
max
on Y (limited by FDC 157)
1 A
Debounce logic
No
Continuous output voltage
Max. 32 V
Current output to field devices
Max. 1 A
Status, interrupts, diagnostics
Status indicator
Yes
Diagnostics function
Yes
Diagnostics LED
Yes
Interrupts
No
Climatic conditions
Permissible operating temperature
-40 ... +70 °C
Permissible storage/transport
temperature
-40 ... +85 °C
Relative humidity during operation
Max. 95 %
Approvals for potentially explosive
atmospheres
• Gas
Zone 2
• Dust
Zone 22
Dimensions and weight
Dimensions (W x H x D)
in mm (without fittings)
220 x 120 x 83
Weight
2 000 g
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Ordering data
Article No.
Active field distributor (AFD)
For integration of standard-
compliant PA or FF field devices
• AFD4 with 4 short-circuit-proof
spur line connections
for 1 field device each
6ES7157-0AG81-0XA0
• AFD8 with 8 short-circuit-proof
spur line connections
for 1 field device each
6ES7157-0AG82-0XA0
Active Field Distributor
AFDiS (Active Field Distributor
intrinsically safe)
with 6 short-circuit-proof spur line
connections for the integration of
standard-compliant intrinsically-
safe PA or FF field devices
6ES7157-0AG83-0XA0
Active field splitter (AFS)
for the interconnection of a bus line
segment with the active coupler
of a PA or FF router with redundant
coupler pair
6ES7157-0AG80-0XA0
Accessories
Sealing plugs
for unused connections on AFS,
AFD and AFDiS (10 units)
6ES7157-0AG80-1XA1
© Siemens AG 2014