ADB EURODIM TWIN TECH, Руководство по установке

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Issue 1.0
2.2.6 Local / Remote selector switch CPU1
– CPU2 – Automatic
The CPU selector switch is located next to
the CPU slots. The connection for the
remote selector switch is provided in the
right compartment on the PCB 3031. Please
see the attached drawing for the exact wiring
of the switch.
The following table explains the use of the
local and remote switch.
Jumpers J1 Local switch Remote Switch Terminal signals (*) CPU Active
(PCB3031)
E
na
bl
e_
C
P
U
1
E
na
bl
e_
C
P
U
2
Not
mounted
CPU1 N/A 1 0 CPU1 (**)
CPU2 N/A 0 1 CPU2 (**)
A-R CPU1 1 0 CPU1 (**)
A-R CPU2 0 1 CPU2 (**)
A-R
Automatic or
not connected
1 1
Automatic
software
selection
Wires short circuited
(***) 0 0
Mounted N/A N/A 0 (****) 0 (****)
The jumper J1 is by default NOT mounted.
-
Power supply voltage: Vcc = 24V (thru 1.5K and protection fuses on PCB3031)
-
Enable_CPU signals are active high
-
(*) 0 = terminal connected to 0 V; 1 = terminal is open
-
(**) Manual selection by the user
-
(***) Only for information
-
(****) Value forced by presence of Jumpers J1
For remote CPU selection, use a shielded cable of 3 x 0.5 mm². The shield should at one
end be connected to PE. See wiring and interconnection diagram in 30-490 and 30-500.