Product Overview
1-6
Distributed I/O Device ET 200M
EWA-4NEB780600602-06
Components
There are a number of components available for the setup and commissioning of
the ET 200M. Table 1-1 lists the major components and their functions:
Table 1-1
Components of an ET 200M
Component
Function
Drawing
DIN rail
Accessory:
Shield contact element
... accommodates the ET 200M
modules
Rail for the active bus modules
Accessory:
Shield contact element
Active bus modules
... is the special mounting rack for
the ET 200M for the ”module
change during operation” and
”redundancy” functions.
Active bus modules (BM)
BM IM/IM for redundancy with 2
IM 153-2
1
BM IM/IM for redundancy with
2
IM 153-2Bx00
1
BM PS/IM for PS 307; 2 A and IM 153-x
BM 2
40 for two S7-300 modules 40 mm
wide
BM 1
80 for an S7-300 module 80 mm
wide
Accessories
Explosion-proof partition
Backplane bus cover and bus module cover
... ensures that the S7-300
backplane bus is available. This
means that if one module is not in
place all the other modules are still
available via the backplane bus.
Power supply (PS)
Accessory:
Jumper
... converts the line voltage
(120/230 V AC) to 24 V DC
operating voltage to supply the
ET 200M.
... can be used as load power
supply for the 24 V DC load
circuits.
IM 153-x (for variants see Section 1.3)
Accessory:
Slot number label (to assign slot numbers)
... is the slave interface module;
connects the S7-300 modules to
the PROFIBUS-DP field bus;
supplies operating voltage to the
backplane bus.
PROFIBUS cable with bus connector
... interconnects nodes in a
PROFIBUS-DP configuration.
Fiber-optic duplex cable with Simplex connector
(in the plug-in adapter for IM 153-2 FO)
... interconnects nodes in a
PROFIBUS-DP configuration.
1
Assignment of the IM 153-2 to the two active bus modules BM IM/IM can be found in Section 4.1.4.
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