Modifications With Respect To Precursor Modules; Compatibility To Precursor Modules - Siemens Simatic 6ES7 157-0AD81-0 A0 Series Manual

Description of Components
2.6

Modifications with respect to precursor modules

IM 157
S DPV1 support with full diagnostics
S Interrupt processing is now possible for non-redundant operation as well
S System changes are possible during operation (also for non-redundant
operation)
S Identification data are provided for the positive identification of the device in the
system
S Firmware update via PROFIBUS-DP (not for redundant operation)
DP/PA coupler Ex [i]
S Approved for potentially explosive areas in accordance with FM 3610 for
Cl.I, Div.1
S Approved for installation in the potentially explosive area Zone 2
Y coupler
S Integrated RS 485 repeater
2.7

Compatibility to precursor modules

Compatibility of the IM 157
The IM 157 with order number -0AA82- can be used as a spare part for all
precursor modules. In this case, the configuration can also be performed with an
older version of STEP 7. The information provided in the documentation of the
failed IM 157 apply.
Compatibility of the Y coupler
Y coupler 6ES7 197-1LB00-0XA0 cannot be used as a spare part for Y coupler
6ES7 654-0YK00-0AB0.
Compatibility of the bus modules
Bus module BM IM/IM 6ES7 195-7HD80-0XA0 can only be used in conjunction
with 6ES7 157-0AA82-0XA0 and cannot be used as a spare part for
6ES7 195-7HE80-0XA0.
2-10
DP/PA Link and Y Link Bus Couplings
A5E00193841-01 1