Daikin EKAC120A [4/7] Digital variables
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Daikin EKAC120A [4/7] Digital variables

Daikin EKAC120A [4/7] Digital variables
2
HOW TO OPERATE THE ADDRESS CARDS?
For more information, consult the following documents:
■ The chiller operation manual: installing BMS address card +
defining the BMS settings.
■ Installation manual of gateway.
■ Operation manual of gateway.
THE VARIABLES DATABASE
The BMS or supervisory system and the address card
communicate through a fixed set of variables, also called address
numbers. Hereafter, you will find the information you need about
the digital, integer and analogue variables that the BMS or
supervisory system can read from or write to the chiller’s address
card.
Digital variables
A
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
B
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Air cooled 80~120HP Air cooled 160~200HP Water cooled 120~200HP
PCB B:
-
PCB B:
-
PCB B:
-
PCB B:
-
-
-
-
-
-
Note
These chillers have two PCBs: PCB A & B.
PCB A: general parameters and circuit 1 parameters
PCB B: circuit 2 parameters
If a parameter is marked with X in column of PBC A or B, then the
parameter is present on the marked PCB.
Address Read/
Write
Description Comments
Unit status
Enable remote on-off
Unit safety active
Digital input 1
Digital input 2
Digital input 3
Digital input 4
Digital input 5
Digital input 6
Digital input 7
Digital input 8
Digital input 9
Digital input 10
Digital input 11
Digital output 1
Digital output 2
Digital output 3
Digital output 4
Digital output 5
Digital output 6
Digital output 7
Digital output 8
Digital output 9
Digital output 10
Digital output 11
Digital output 12
Digital output 13
Circuit safety active
Guard timer active
Start up timer active
Anti-recycling timer active
Load up timer active
Load down timer active
On-off command
High-pressure setback active
Digital input 12
25% is installed
V-a meter installed
DICN OPTION: Network
safety active
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
w
r
r
r
r
r
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
36
37
38
39
40
1=on 0=off
1=yes 0=no
1=yes 0=no
Low pressure switch
High pressure switch
Reverse phase protector
Overcurrent
Discharge thermal protector
Compressor thermal protector
PCB A:
Flow-switch
PCB B:
Enable/
Disable C1
PCB A:
Flow-switch
PCB A:
Flow-switch
PCB A:
Bypass
PCB B:
Enable/
disable C2
PCB A:
Bypass
PCB A:
Bypass:
Dual setpoint
Digital input remote on-off
Emergency
Star
Delta
Compressor status
Pump
General situation of alarm
12%
25%
40%
Fan 1
Fan 2
Fan 3
Evaporator heater
Fan 1
Fan 2
Fan 3
Evaporator heater
70%
1=yes 0=no
1=not zero 0=zero
1=not zero 0=zero
1=not zero 0=zero
1=not zero 0=zero
1=not zero 0=zero
If 1 is written, then toggle status of the unit.
After this action the controller resets this parameter.
0=not active 1=Active
Enable/disable capacity
limitation
Enable/disable capacity
limitation
0=no 1=yes
0=no 1=yes
0=no 1=yes

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