Description
3.11 Slots for expansion modules
SENTRON PAC4200
Manual, 09/2008, A5E02316180B-01
45
MDI-X auto crossover describes the ability of the interface to autonomously detect the send
and receive lines of the connected device and adjust to them. This prevents malfunctions
resulting from mismatching send and receive wires. Both crossed and uncrossed cables can
be used.
3.11 Slots for expansion modules
Interface
SENTRON PAC4200 has two slots (MOD1 and MOD2) for installing optionally available
expansion modules.
Please consult the current catalogs to find out which modules are available for
SENTRON PAC4200.
One expansion module can be operated alone on the device or two expansion modules
simultaneously.
Two communication modules cannot be simultaneously operated, e.g. SENTRON
PAC PROFIBUS DP and SENTRON PAC RS485.
DIC DI 0DI1 DOC DO0DO1
(1) MOD1 slot
(2) MOD2 slot
Figure 3-17 SENTRON PAC4200, rear
CAUTION
Avoid contamination of the contact areas below the labels "MOD1" and "MOD2", since
otherwise the expansion modules cannot be connected or can even be damaged. Insertion
of metal pins or wires into the contact openings can result in device failure.
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