4.1 Alarm Output
28
4.1.2 Internal Circuit
The alarm output circuit is configured as shown
below.
CH1
CH2
COM
Photocoupler
Internal circuit
• Signal logic indicates the signal state in which a
signal's function is enabled.
• The output transistor works as a switch between
signal output and ground in the module. When
output becomes enabled, the switch is turned on
and current flows from the output signal to COM
in the module. Therefore, a relay or LED lamp
can be connected directly to the output terminal
(page 29).
Summary of Contents for 2304-20
Page 2: ......
Page 14: ...Notes on Use 10 ...
Page 22: ...1 4 Dimension Diagrams 18 ...
Page 24: ...2 1 Setting the Module ID 20 ...
Page 40: ...6 2 Servicing 36 ...