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9. Using the external input/output
9-1. External signal input function
• In order to use external signal input, use the 5-wire cable for external input that comes with the unit.
(1) External input
By using an external no voltage contact signal, it is possible to send Emergency stop/Normal,
ON/OFF or Prohibit/Permit local remote controller operation commands to all units being
controlled. (This is selected by the SW3 setting. SW3 is mounted on the main unit board.)
No.
1
Do not use external input.
Change between emergency stop/normal.
2
During an emergency stop, all units will be stopped, and all operations using this
controller, other system controllers and the local remote control will be prohibited.
Set ON/OFF.
3
All units will turn ON/OFF according to the input state.
Set ON/OFF and prohibit/permit .
All units will turn ON/OFF and all local remote controller ON/OFF operations will be
prohibited according to the input state. Operation with this controller will be enabled.
4
When prohibit is input, the local remote control's ON/OFF, operation mode, set
temperature and filter reset operation will be prohibited. This controller can be operated.
(2) Level signal and pulse signal
(A) Level signal
Contact ON
Contact OFF
OFF
ON
Contact ON
Contact OFF
Emergency
Normal
stop
1. Only emergency stop can be used when SW3-4 "operation prohibit setting
changeover" is set to "OFF (disabled)".
2. If the level input emergency stop and ON/OFF are set, operation of the other system
controllers will be prohibited even if SW3-5 "operation prohibit range changeover" is
set to "OFF (only local remote control)".
(3) External input specifications
CN2
Lead wires (5-wires)
No. 1
Green
No. 2
Yellow
No. 3
Orange
No. 4
Red
No. 5
Brown
30
All manuals and user guides at all-guides.com
External input signal functions
(B) Pulse signal
(Example) Case of ON/OFF signal
OFF
Normal
Level signal for Emergency
stop/Normal
Emergency stop/Normal input
Not used
Not used
Not used
Contact ON
Signal 1
ON
Contact OFF
Contact ON
Signal 2
OFF
Contact OFF
*Prohibit/Permit is same.
Level signal for ON/OFF
ON/OFF input
Not used
Not used
Not used
Common 0V
SW3
Input state
2
3
_
OFF
OFF
OFF
ON
Level input
ON
OFF
Level input
Pulse input
ON
ON
(0.5sec or
more)
0.5sec or more
0.5sec or more
OFF
ON
OFF
Pulse signal for ON/OFF,
Prohibit/Permit
ON input
OFF input
Prohibit local remote controller
operation input
Permit local remote controller
operation input
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