Operation
8.2 Inputs and outputs of the ATC6500
3KC ATC6500 transfer control device
148
Manual, 05/2019, L1V30538268002A-01
Function
Designation on the
ATC6500
Description
Revision
Revision
If enabled, this function causes the following reactions during
revision of the system:
•
switch to OFF mode
•
disabling of feedback alarms A03-A04
•
enabling of any undervoltage coils
Maximum priority on Source 1 Top priority SRC1
If this contact is closed, Source 1 is prioritized.
Maximum priority on Source 2 Top priority SRC2
If this contact is closed, Source 2 is prioritized.
Tie breaker TB/NPL closed
(feedback)
Feedb. Tie brea-npl
1 open
Auxiliary contact informing the ATC6500 whether the tie breaker
(TB) is open / closed. If this signal is not connected, the breaker
for the ATC6500 has the same status as the control outputs.
Tie breaker protection
TB trip
If the contact is closed, the alarm is triggered due to the protection
trip of the tie breaker TB.
Tie breaker withdrawn
TB withdrawn
If the contact is closed, the alarm is triggered as a result of tie
breaker TB removed.
Close tie breaker (TB)
Close TB
In the manual mode this function closes the tie breaker TB.
Open tie breaker (TB)
Open TB
In the manual mode this function opens the tie breaker TB.
Toggling of tie breaker (TB)
Toggle TB
In the manual mode this function toggles the status of tie breaker
TB.
The following functions are stored as factory defaults for the inputs:
Digital input
PIN Function
INP1
40
Source 1 breaker closed (feedback 1)
INP2
41
Source 2 breaker closed (feedback 2)
INP3
42
Disabled
INP4
43
Source 1 breaker protection (Trip 1)
INP5
44
Source 2 breaker protection (Trip 2)
INP6
45
Inhibit automatic return to priority source
INP7
46
Generator start
INP8
47
Transfer to secondary source
8.2.4
Digital outputs OUTx
The ATC6500 has 7 permanently integrated digital outputs which are designated as OUTx.
Designation
Description
Mounted on the device Expandable
OUTx
Digital output
1,2,3,4,7,9,10
12 - 20
Note:
The outputs OUT5, OUT6 and OUT8 are not available on the device. A maximum of 16
outputs can therefore be used with expansion modules. The digital outputs of the expansion
modules start at OUT12.
The function of the integrated digital outputs can be freely parameterized by the user.