Technical Specifications
B-38
DP/PA Link and Y Link Bus Couplings
A5E00193841-011
B.5 Technical specifications of the DP/PA coupler
(6ES7 157-0AC80-0XA0)
Dimensions and weight
Dimensions
W H D (mm)
80 125 130
Weight Approx. 515 g
Module-specific data
Transmission rate on
PROFIBUS-DP
45.45 kbps
Transmission rate on
PROFIBUS-PA
31.25 kbps
Bus protocol PROFIBUS-DP
Voltages, currents, potentials
Rated supply voltage 24 VDC
(20.4 V ... 28.8 V)
Polarity reversal
protection
Yes
Output voltage for PA
part:
Typically 19 VDC
Power failure
bridging
Min. 5 ms
Galvanic isolation of the 24 V power supply
To PROFIBUS-DP Yes
To PROFIBUS-PA Yes
Insulation tested at 500 VDC
DP/PA coupler power
input (24 VDC)
Max. 0.75 A
PA part output current
(for sizing of the PA
configuration)
400 mA
Power loss of the
module
Typically 7 W
Status, interrupts, diagnostics
Status display No
Interrupts None
Diagnostic function Yes
PROFIBUS-DP bus
monitoring
Yellow “DP” LED
PROFIBUS-PA bus
monitoring
Yellow “PA” LED
24 V supply
monitoring
Green “ON” LED
Data for selecting the PA field devices
Connection to DP/PA
coupler
Max. power input of
the PA field devices
together 400 mA
Field devices with
certification for
PROFIBUS-PA
Field devices are
outside the
hazardous area
Max. 31 PA field
devices can be
connected
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