ABB AC 800M Manual page 75

Section 2 Installation
Unit to Baseplate Alpha Code Lock
Baseplates have a pre-set Alpha code locking device. This locking device prevents
the installation of an incompatible type of unit onto the base plate if the Alpha codes
do not match. All identical unit types have the same factory pre-set, two-letter Alpha
code installed prior to delivery.
The following unit types have two-part, pre-set Alpha code locking devices installed
(see
CI851 PROFIBUS DP
Interface
CI852 FOUNDATION Fieldbus
H1 Interface
CI853 RS-232C Interface
CI854/CI854A PROFIBUS DP
Interface
CI855 Ethernet interface for
MasterBus 300
CI856 S100 interface
CI857 INSUM Interface
CI858 DriveBus Interface
CI860 FOUNDATION Fieldbus
High Speed Ethernet
(FF HSE) Interface.
CI862 TRIO/Genius Interface
CI865 Satt I/O
CI867 Modbus TCP Interface
CI868 IEC 61850 Interface
3BSE036351-510 A
Table 4 on page 75).
Table 4. Factory Pre-set Alpha Codes
Unit
Prefabricated aluminum profile
Key Position 1
A
A
A
A
A
B
B
B
B
(no Alpha lock)
C
(1)
D
(1)
D
Key Position 2
A
B
C
D
E
A
B
C
E
(no Alpha lock)
F
(1)
B
(1)
B
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