15
４−６．Wiring
(In case of single case)
ＴＤ１
ＴＤ２
ＴＤ３
ＴＤ４
Maximum cable length : 1.25km
For multi-unit case, refer to operating instruction for multi-unit case.
③
④
⑤
⑥
CVVS 1.25mm2, 2-core
①
②
③
④
DC24V±10％
①
②
③
④
①
②
③
④
AL1 : 1st alarm contact output
AL2 : 2nd alarm contact output
TR : Common trouble alarm contact
4-20mA output
GND (-)
Earth terminal
4-20mA output
instrument
(Detector head)
24V (+)
①
②
③
④
CAUTION
・Use CVVS 1.25mm2 cable for connection.
・Do not distribute power cable and signal cable together with power line for motor, etc.
・This unit applies a connector type terminal plate for easy wiring. Be care not to give a high load to the
connector.
・We can not warrant the performance of this unit if undesignated cable is used.
Note 1
Note 1: When low flow alarm signal is used
individually, disconnect short-circuit bar
between terminal No.3 and 4 of TD2 and
connect signal cable for low flow alarm.
３
４
５(+)
６(-)
