Siemens S7-400 Installation Manual page 26

Product Overview
Connecting the M7-400 to a Programming Device / PC
For the remote setup of the M7-400, you can connect a programming device or PC
to the CPU of the M7-400 via a V.24 cable.
A PC/PG cable is used to connect a programming device or PC and CPU of the
M7-400 via the multipoint interface (MPI).
Location of Order Number and Product Version
The order number and product version are printed on every module of the
SIMATIC S7-400/M7-400. The firmware version is also printed on the CPUs. The
following figure shows their locations on a module.
For the product version, an X is entered instead of the valid number. The following
figure shows a module with Product Version 1.
CPU 412 1
412 1XF03 0AB0
V 3.0.1
Firmware version
(in CPUs)
Example of a Rating Plate
SVP JM123456
Order no.
1-6
Module designation
X 2
3 4
Product version
Abbreviated order number
(6ES7 ...)
SIMATIC M7
6ES7 488 3AA00 0AB0
Made in Germany
X 2 3 4
Product version
S7-400 and M7-400 Programmable Controllers Hardware and Installation
Type label
CPU 488 3
FM
APPROVED
CLASS 1 BE4 2
MAX. 1BC
5 6 7 8
T4
Approvals and marks
Module designation
A5E00069481-04