7.External input/output function

* External signal input requires the external I/O adapter (Model : PAC-YG10HA-E) sold separately.

7-1 External input function

(1)The function of external input

Emergency stop/normal operation, ON/OFF, local remote control prohibit/permit can be controlled for all air conditioners being controlled with a non-voltage contact signal input from an external input source. (Select with the dip switches)

The condition of external input signal is displayed on the operation setting screen for each group.

No.

Function of external input signal

Function

 

Remarks

No.6

No.7

 

 

 

 

 

 

 

 

 

 

 

 

 

1

External input signal not used

OFF

OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

During emergency stop, only ON/OFF of the central

2

Perform emergency stop with level signal

OFF

ON

controller and local remote controller's operation

 

 

 

 

will be prohibit.

 

 

 

 

 

 

 

3

Perform ON/OFF operation with level sig-

ON

OFF

Only the ON/OFF operation of the central controller

nal

and the local remote controller will be prohibit.

 

 

 

4

Perform ON/OFF operation,prohibit/per-

ON

ON

Set the pulse width while the contact is ON to 0.5

mit operation with pulse signal

to 1.0 second.

 

 

 

(2) Level signal and pulse signal

1 Level signal

2 Pulse signal

(3) Specification of external input interface

CN2

Lead wire

Emergency stop/normal

ON/OFF level signal

ON/OFF , prohibit/premit

level signal

pulse signal

 

 

 

 

 

 

 

 

No.5

Orange

Emergency stop/normal input

ON/OFF input

ON input

No.6

Yellow

Not used

Not used

OFF input

No.7

Blue

Not used

Not used

Local remote controller

prohibit input

 

 

 

 

 

 

 

 

 

No.8

Gray

Not used

Not used

Local remote controller

permit input

 

 

 

 

 

 

 

 

 

No.9

Red

Common(DC12V or DC24V)

 

 

(A) Level signal

1 When the level signal is selected, the operation (only ON/OFF operation) for the central controller and the local remote controller are prohibited (except during normal operation).

2 When the emergency stop/normal operation signal is selected, the status will be changed from normal oper- ation to emergency stop when the external input signal contact turns OFF to ON, and will be changed from emergency stop to normal operation when external input signal contact turns ON to OFF.

3 When ON/OFF input signal is selected, the status will be changed from OFF to ON when the external input signal contact turns OFF to ON, and will be changed from ON to OFF when the external input signal contact turns ON to OFF.

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Mitsubishi Electronics G-50A appendix External input/output function, External input function

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