Displays And Connections Of The As-I Data Decoupling Unit Dcm 1271 - Siemens AS-i Master CM 1243-2 a Manual

Displays and connections of the AS-i data
decoupling unit DCM 1271
Position of the display elements and the electrical connections
The LEDs for detailed display of the module states are located behind the top enclosure
cover of the AS-i data decoupling unit DCM 1271.
The terminals for AS-Interface and the connection for ground fault detection are located
under the cover at the bottom of the AS-i data decoupling unit DCM 1271.
The infeed from the power supply unit and the connection for functional grounding are
located on the top of the AS-i data decoupling unit DCM 1271.
Opening the enclosure covers
Open the upper or lower enclosure cover by rotating it downwards or upwards as shown in
the figure. The enclosure covers have been extended for this purpose to form a handle.
You will find further details in the "SIMATIC S7 S7-1200 Programmable Controller" System
Manual (order number: 6ES7298-8FA30-8BH0). The S7-1200 System Manual
(http://support.automation.siemens.com/WW/view/de/36932465/0/en) is available on the
Internet.
Figure 3-1
AS-i master CM 1243-2 and AS-i data decoupling unit DCM 1271 for SIMATIC S7-1200
Manual, 04/2013, A5E02655230010A/RS-AA/003
Enclosure covers
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