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KMS Simplekey 4 - System Wiring Example 2

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Key Management Systems Ltd 45 | P a g e
System Wiring Example 2
This image shows a system wired to a local power supply for the logic side of the
controller but NOT lock power. A separate power supply is supplying the locks. KMS
BUS data connections are wired between system cabinets. This is wired so KMS are
providing the lock power directly from the Lock Controllers.
LK1 (red wire link) is cut to ensure +VE lines are not joined between power supplies.
This method of system wiring is uncommon, please contact KMS Technical Support
for further information.
Note: Care MUST be taken cutting LK1 due to proximity to other
PCB components! KMS will not be responsible for damage caused by
mis-installation. Always isolate power before making or breaking
connections.
Daisy chained Reader Interfaces and Lock Controllers using separate power supplies
for lock and logic. The red wire link has been cut to ensure +VE lines are not joined
between separate supplies. In this example the end Lock Controller is powering the
other nodes.
OMRON
G 6E- 134P
-ST- US
12VD C
Lock
02200009
1
2
3
4
5
6
7
8
En De
OMRON
G 6E- 134P
-ST-US
12VD C
Lock
02200009
1
2
3
4
5
6
7
8
En De
DOOR
RTE
N/C
AUX1
AUX3
AUX2
COM
DOOR
RTE
N/C
AUX1
AUX3
AUX2
N/ O
COM
To Lock
Fit MOV!
To Lock
Fit MOV!
Wire SPDT relay to trigger
external equipment I.e
powered door closer
S2M
M2S
0V
0v
SIG
12v
LED
1
2
1
2
S2M
LED
M2S
LED
S2M
LED
M2S
LED
0v
SIG
12v
LED
Wire to local 12v PSU
for LOGIC
N/O
To
Readers
1
2
3
1
2
3
Ch1Ch2
+12V
0V
1
2
3
4
5
6
7
8
+12V
0V
1
2
3
1
2
3
1
2
3
4
5
6
7
8
Ch1Ch2
Connections 2,5,8 =0v
Connections 3,6 =12v
To System
Controller
Note:
Link
CUT
1mm2 wire for Locks and Lock supply. Adjustments
should be made for lock type at installation.
Use terminals 1,2 or 3
for Input returns
Note:
Link
CUT
Wire to local 12v
PSU for LOCKS

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