Siemens ET 200M, Manual, Page: 23 / 284

Overview
Marshalled Termination Assemblies for ET200M Remote I/O Modules
A5E00482820-12 23
! Caution
It is possible to short-circuit the power pins on the MTA with the shield of the D50
or D25 on the interconnecting cable. Use care when disconnecting the MTA end
of the interconnecting cable from a powered MTA. When removing the
interconnecting cable, use the following techniques in this order whenever
possible:
•
Remove power from the MTA.
•
Remove the PCS 7 end of the interconnecting cable.
•
Remove the MTA end of the interconnecting cable.
1.5 Interconnecting Cable Assemblies
Four interconnecting cables support all the termination assemblies and their
respective I/O modules. (See Figures 1-2 through 1-5)
Note
Interconnecting cables are intended for stationary installations only.
Siemens 40 pin to Female Sub-D 50
The most common interconnecting cable uses a 40 pin Siemens ET200M I/O
connector wired to a D50 female connector. See Figure 1–4
Figure 1–4 Interconnecting Cable (6ES7922-3BD00-0AS0 or 6ES7922-3BJ00-0AS0)
Key to numbered items in Figure 1–4
Item Part Name
1 50-pin Female Sub-D connector
2 40-pin Siemens connector (6ES7 392-1AM00-0AA0)