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This terminal is for connecting with an alarm annunciator such as an indicator, a
lamp or a buzzer.
1-4 Connecting the Alarm I/O Terminals (continued)
Alarm Output Terminal
Output Requirements
• Equivalent to NPN open collector output
(The output logic is set with [V.Networks Setup
Tool.])
• Allowed applied voltage: DC 12 V max.
• Allowed input current: 300 mA
• Momentary output: 2 to 5000 ms
(The duration is set with [V.Networks Setup
Tool.])
VN-C10
Annunciator
Connection
Example 1
Output
terminal
IN
R
DC 12 V
(Alarm output equivalent circuit)
COM
terminal
COM
Grounding
terminal
GND
MAX
300 mA
MAX
12 V
Annunciator
Connection
Example 2
IN
R
DC
12 V
COM
GND
Buzzer, lamp, LED etc.
Annunciator
Connection
Example 3
R
DC
12 V
Buzzer, lamp, LED etc.
Caution
Connect the VN-C10 grounding terminal to
the one of the annunciator.
VN-C10_E_01-43.pm65e 14/04/03, 10:13 AM17