Connection With The Alarm Sensors; Connection With The Alarm Output - Panasonic WJ-FS109 Operating Instructions Manual

Connection with the Alarm
Sensors
Connect alarm sensors to the ALARM/REMOTE connector.
As shown in the tables on page 22, the WJ-FS116 accepts
up to 16 sensors and the WJ-FS109 up to 9.
The sensors should meet the following specifications:
1. Allowable input voltage:
Non-voltage contact, or 0 V to 5 V DC
2. Input definition:
Specified by ALM INPUT settings, N.O. (Normally
Open/Low active) or N. C. (Normally Closed/High
active)
3. Active duration: Must be longer than 250 ms.
Alarm
Sensor 16
GND
Example: N. O.specified by ALM INPUT
Notes:
• For detailed pin assignments refer to page 22.
• Leave pin #5 open, or connect it to +5V when using
Alarm Sensors.
23
Alarm
Sensor 1
Sensor 8
Connection with the Alarm
Output
Pin #9 (open collector) turns to 0 V while the alarm is active.
This terminal can drive external warning devices such as a
buzzer or lamp of up to 100 mA, 24 V DC. If the rating
exceeds 100 mA, 24 V use a relay as shown in Example 2.
Example 1: Direct drive connection
NC
Relay
+24V
NC: Normally Closed Contact
NO: Normally Open Contact
C: Common
Example 2: Connection of devices exceeding drive capaci-
ty
Buzzer
NO
To Buzzer
C