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Installation
5
13
ekr 500 web guiding controller
EDV No.: MD.299.01.06
Chapter: 5
with removable control panel
Date:
29.07.08
Page:
38/86
5.5.2.9 Terminal strip X40; Programming interface
The
X40
terminal strip is used for programming the controller in the
factory.
5.5.2.10 Terminal strip X41; RS232 interface
The RS232 interface is used for loading firmware updates.
Changing or loading firmware on this system must
be carried out exclusively by BST personnel or
personnel duely authorised to do so by BST.
Non observance of this may cause the loss of the
warranty rights!
5.5.3 Plug assignments
5.5.3.1 Plug X70; Connection power supply
The power supply is connected to the controller via a 3-pin
connector as per CEN 175301-803 (DIN 43650).
Contact assignments in the plug connector:
Connector
Coupling
Contact
Signal
Wire colours
Remarks
1 +24
V
brown
2 GND
white
Feeds in to terminal strip
X6
.
Potential
equalization
green
Connected to the enclosure
The contact marked by the symbol is solely used
for providing the potential equalisation (working
earth).
This is not a protective earth when the contact is
made. This unit does not need protective earthing.