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6 Using the External Input and Output
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 SW4 setting. SW4 is mounted on the main unit board.)
No.
External input signal functions
Do not use external input signal (This is the
1
factory setting.)
2
Send a level signal for Emergency stop/Normal
3
Send a level signal for ON/OFF
Send a pulse signal for ON/OFF and Prohibit/
4
Enable
(2) Level signal and pulse signal
(A) Level signal
Contact ON
Contact OFF
Contact ON
Contact OFF
(3) External input specification
CN2
Lead wires (5 wires)
No. 1
Green
No. 2
Yellow
No. 3
Orange
No. 4
Red
No. 5
Brown
(A) Level signal cases
1 In the case where the Emergency stop/Normal signal is selected, when the external input signal contact OFF changes to contact ON,
"Normal" changes to "Emergency stop". When contact ON changes to contact OFF, "Emergency stop" changes to "Normal".
2 In the case where the ON/OFF signal is selected, when the external input signal contact OFF changes to contact ON, "OFF" changes to
"ON", and when contact ON changes to contact OFF, "ON" changes to "OFF".
(B) Pulse signal cases
1 If the "ON" signal is sent while the equipment is on, the equipment remains on. (The same applies to OFF, Prohibit and Permit.)
2 In the case where local remote controller operation is prohibited, the ON/OFF operations by the local remote controllers are prohibited.
3 Set the pulse duration (contact ON period) to 0.5 sec or longer.
2. External signal output function
*In order to use external signal output, use the 4 wire external output cable that comes with the unit.
(1) External output
In the case when one or more units are running "on" and an error occurs in one or more units, a signal indicating that an error is occurring is
output.
(2) External output specification
CN3
Lead wires (4 wires, with black tube)
No. 1
No. 2
No. 3
No. 4
1 "On" is output even when there is "Error".
7 Specifications
Main Unit Specifications
Item
Power supply
Power consumption
Environmental conditions
Weight
Dimensions (H × W × D)
OFF
ON
OFF
Emergency
Normal
Normal
stop
Level signal for Emergency stop/
Normal
Emergency stop/Normal input
Not used
Not used
Not used
Common 0V
Detail of each terminal
Yellow
Orange
Red
Brown
DC 30V (Supplied from an outdoor unit or dedicated power supply unit (Model: PAC-SC34KUA))
2 W
Temperature 0 to 40°C, humidity 30 to 90% RH (No condensation)
0,2 kg
120 × 130 × 19
SW4
No.2
No.3
OFF
OFF
The Emergency stop state prohibits the ON/OFF operation from the
OFF
ON
local remote controller and the ON/OFF operation and the change
Prohibit/Enable operation from this unit.
This state prohibits the ON/OFF operation from both the remote
ON
OFF
controller and this unit.
ON
ON
When the contact is ON, make the pulse duration 0.5 sec or longer.
(B) Pulse signal
(Example) Case of ON/OFF signal
Signal 1
ON
Signal 2
OFF
*Prohibit/Permit is same.
Level signal for ON/OFF
ON/OFF input
Not used
Not used
Not used
ON/OFF
Error/Normal
Details
Comment
––––––––––––––––––
0,5 sec or longer
Contact ON
Contact OFF
Contact ON
Contact OFF
OFF
ON
Pulse signal for ON/OFF,
Prohibit/Permit
On input
Off input
Prohibit local remote controller
operation input
Permit local remote controller
operation input
0,5 sec or longer
OFF
4
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