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1-4. External I/O
The external input has the following number of input points.
* It is necessary to implement crossover wiring with RS-485 for DIO I/F and the main unit.
The following functions can be set for the main unit and DIO I/F 1 to 4, respectively.
Number of points
Equipment Input/Output Number of points
Main unit
External input 8 points
External output 4 points
DIO I/F 1
External input 8 points
External output 4 points
DIO I/F 2
External input 8 points
External output 4 points
DIO I/F 3
External input 8 points
External output 4 points
DIO I/F 4
External input 8 points
External output 4 points
Functions
Input/Output I / O Function Functions Settings
Input
Electric power
Count the power pulses.
Measure a pulse waveform of
50 msec or more as one pulse.
• Pulse constant (kWh/pulse)
Control
Stop
When ON, stops the specified
air conditioner.
• a contact (ON at signal input, OFF at release)/
b contact (OFF at signal input, ON at release)
Run
When ON, runs the specified air
conditioner.
• a contact (ON at signal input, OFF at release)/
b contact (OFF at signal input, ON at release)
Lock
When ON, controls the specified
air conditioner to the specified
setting contents.
• a contact (ON at signal input, OFF at release)/
b contact (OFF at signal input, ON at release)
• Pattern 0 (Stop at ON, do nothing at OFF)/
Pattern 1 (Stop at ON, "Run/Stop" at OFF
switch prohibit release)/
Pattern 2 (Stop at ON + "Run/Stop" switching
prohibited, "Run/Stop" at OFF
switching prohibited release)/
Pattern 3 (Stop/Run)
Fire alarm
At ON, turn OFF the specified
air conditioner and set the local
remote prohibited status, and at
OFF, release the local remote
control prohibited status.
• a contact (ON at signal input, OFF at release)/
b contact (OFF at signal input, ON at release)
Demand
At ON, perform demand control
on the specified air conditioner.
• a contact (ON at signal input, OFF at release)/
b contact (OFF at signal input, ON at release)
• Indoor unit (Thermo OFF (no delay release)/
Thermo OFF (10 seconds delay)/
Thermo OFF (20 seconds delay)/
Thermo OFF (30 seconds delay)/
Thermo OFF (60 seconds delay)/
FAN/
Stop + local remote control
operation prohibited/
FAN + local remote control mode
change prohibited)
• Outdoor unit (0%/60%/70%/80%)
Operation
monitoring of
external
equipment
At ON, displays the associated
external equipment as
Operation status, and at OFF,
displays it as Stop status.
• a contact (ON at signal input, OFF at release)/
b contact (OFF at signal input, ON at release)
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