PIM-00004
△
1
[Operation Manual]
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DAIKIN INDUSTRIES, LTD.
Digital output/Contact output
These terminals are used for digital/contact output signals that output alarm status of this unit. Connect these
terminals as required, with reference to the table below. For description on the outputs, see p. 39.
Terminal No.
(Terminal name)
Signal name
Remarks
16
(DO1)
Digital output 1
Outputs the. Digital output 0
7
(DO2)
Digital output 2
Outputs the. Digital output 1
17
(OCOM)
Digital output common
Negative common
16
7
17
MAX. 30 mA
CAUTION
As the external power supply, prepare a 24 VDC 1 V, 0.5 A power supply. Power cannot be supplied
from this controller to external equipment.
This controller's output circuit serves as negative common. Not capable for positive common.
The maximum output current of an output circuit is 30 mA (resistance load). If you attempt to drive load
higher than the allowable current, the circuit may be damaged. Pay attention to the maximum allowable
current.
To drive induction load, take surge preventive measures.
Terminal No.
(Terminal name)
Signal name
Remarks
8
(AL̲A)
Contact output a
Continuity with
“
Common
”
exists when the pressure switch
is normal.
18
(AL̲B)
Contact output a
Continuity with
“
Common
”
exists when the Signal output
9
(AL̲B)
Contact output common
Common
External power
supply
24 VDC
Load K
Load K
+
Contact output a
Contact output b
Common
(Power ON: normal)
8
18
9
COM
