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42. Modbus (for AHU-xMxSx1 models)
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To obtain the address of a register indicated in the following tables, subtract 1 from the register number indicated:
example: the address of the Modbus variable
STATE_DI1
is 10000 - 1 = 9999
• MODBUS VARIABLES FOR CONTROLLER STATUS:
Register
Description
Min
Max
R/W
10000
STATE_DI1
o
0=contact
DI1
open, 1=contact
DI1
closed
0
1
R
10001
STATE_DI2
o
0=contact
DI2
open, 1=contact
DI2
closed
0
1
R
10002
INT_TEMP_COMP
o
internal sensor temperature (°C [°F])
(Note1)
-250 [-13]
900 [195]
R
10003
TEMP_AI1
o
remote sensor temperature 1 (°C [°F])
(Note1)
-250 [-13]
900 [195]
R
10004
TEMP_AI2
o
remote sensor temperature 2 (°C [°F])
(Note1)
-250 [-13]
900 [195]
R
10005
TEMP_AI3
o
remote sensor temperature 3 (°C [°F])
(Note1)
-250 [-13]
900 [195]
R
10
006
INT_HUM_COMP
o
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0
100
R
10
007
0_10V_AI3
o
YDOXHFRQQHFWHGWRWKHLQSXW9
AI3
(Note4)
-999
9999
R
10
008
STATE_REL1
o
0=relay 1 deactivated, 1=relay 1 activated
0
1
R/W
10
009
STATE_REL2
o
0=relay 2 deactivated, 1=relay 2 activated
0
1
R/W
10
010
STATE_REL3
o
0=relay 3 deactivated, 1=relay 3 activated
0
1
R/W
10
011
STATE_REL4
o
0=relay 4 deactivated, 1=relay 4 activated
0
1
R/W
10
012
STATE_REL5
o
0=relay 5 deactivated, 1=relay 5 activated
0
1
R/W
10
013
OUT_A
o
output value
AO1
(volt)
(Note3)
0
100
R/W
10
014
OUT_B
o
output value
AO2
(volt)
(Note3)
0
100
R/W
10
015
OUT_C
o
output value
AO3
(volt)
(Note3)
0
100
R/W
10
016
WORKING_TEMP
o
working temperature
(Note1)
-250 [-13]
900 [195]
R
10
017
WORKING_SET_HEAT
o
KHDWLQJRSHUDWLRQVH6
(Note2)
see parameters
see parameters
R
10
018
WORKING_SET_COOL
o
cooling operation setpoint WCS
(Note2)
see parameters
see parameters
R
10
019
SET_MAND_CALC
o
calculated supply setpoint in cascade control mode
(Note2)
see regulation.
see regulation.
R
10
020
SET_COMP_HEAT_CALC
o
calculated compensation setpoint for winter compensation
control mode
(Note2)
see regulation.
see regulation.
R
10
021
SET_COMP_COOL_CALC
o
calculated compensation setpoint for summer compensation
control mode
(Note2)
see regulation.
see regulation.
R
10
022
WORKING_SET_DEHUM
o
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(Not5)
see regulation.
see regulation.
R
10
023
WORKING_SET_HUM
o
KXPLGLI\LQJRSHUDWLRQVHWSRLQW:86
(Note5)
see regulation.
see regulation.
R
10
024
YEAR
o
current year
2012
2100
R
10
025
MONTH
o
FXUUHQWPRQWK
1
12
R
10
026
DAY
o
current day
1
31
R
10
027
DAY_NAME
o
name of current day
0=sunday
1=monday
2=tuesday
3=wednesday
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5=friday
6=saturday
0
6
R
10
028
HOUR
o
FXUUHQWWLPHKRXU
0
23
R
10
029
MIN
o
current time (min.)
0
59
R
10
030
SEC
o
current time (sec.)
0
59
R
10
031
TOTAL_HOUR_OF_FAN
o
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192
LVQRWHTXDOWRRWKHUZLVHWKHYDOXHUHDGLVDOZD\V
0
9999
R
10
032
CURRENT_WORKING_SET
o
current operation setpoint
(Note2)
see controllers.
see controllers.
R