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Siemens Simatic S7-400 User Manual

Page 484

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M7-400 Expansions

12-14

S7-400, M7-400 Programmable Controllers Module Specifications

A5E00069467-07

12.2.3

Technical Specifications of the EXM 478 Expansion Module

Technical Specifications of the EXM 478

The table below contains the technical specifications of the EXM 478 expansion
module:

EXM 478

6ES7 478-2AC00-0AC0

Performance Features

Number of connectable
interface modules

3

Connection of
expansion modules

Yes

Technical Specifications

Supply voltage

5 VDC

Current consumption
(without interface
submodules)

0.2 A

Power losses
(without interface
submodules)

0.5 W

Permissible power losses
(with 3 interface
submodules)

Without forced
ventilation

With forced ventilation

max. 10 W

max. 12 W

Dimensions
W x H x D (mm)

25 x 290 x 210

Weight

0.65 kg

Note

The sum of the power losses of the EXM 478 expansion module and the interface
submodules it contains must not exceed the maximum permissible power losses.

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