13
Signal Tower LA6-POE Operation Manual
3.2.3.2. Connecting to a PLC (NPN Type Transistor) with DC24V Input
PLC
E
C
B
Circuit Schematic
External Contact Classification
PLC (NPN Transistor)
24V DC
(
Class 2
)
LED Tier 1 / Input 1
LED Tier 2 / Input 2
LED Tier 3 / Input 3
LED Tier 4 / Input 4
LED Tier 5 / Input 5
Power Supply Wire
Flashing/Pulse Enable
Common line
Alarm 1 / Input 6
Mode Change
Power Supply Wire
Alarm 2 / Input 7
Output Unit 2
For Flashing/
Pulse Enable
Output Unit 1
For Lighting
Power
24VDC Input
COM
LA6-POE
⑧
⑩
⑥
⑤
①
⑪
②
⑦
④
③
⑨
⑫
Do Not Apply Voltage!
Do Not Use!
3.2.3.3. Connecting to a PLC (PNP Type Transistor) with DC24V Input
PLC
〈
Note
〉
Since flashing and intermittence are
uncontrollable with the PNP type
transistor, do not connect it.
Control flashing and intermittence
with the PLC programming.
24V DC
(
Class2
)
LED Tier 1 / Input 1
LED Tier 2 / Input 2
LED Tier 3 / Input 3
LED Tier 4 / Input 4
LED Tier 5 / Input 5
Power Supply Wire
Flashing/Pulse Enable
Common line
Alarm 1 / Input 6
Mode Change
Power Supply Wire
Alarm 2 / Input 7
Do Not Apply Voltage!
Circuit Schematic
E
C
B
COM
LA6-POE
Do Not Use!
External Contact Classification
PLC (PNP Transistor)
Power
24VDC Input
⑧
⑩
⑥
⑤
①
⑪
②
⑦
④
③
⑨
⑫