40
Holding Register (Analogue Output) Applicable Unit Type
Register Name Addr
Modicon
Address
Details
FTC4
FTC5
CAHV
master
CAHV
slave
CRHV
master
CRHV
slave
QAHV
master
EAHV
master
EAHV
slave
External Water Temperature 4
(signed)
[READ ONLY]
Temperature value in ºC multiplied by 100.
(see note *)
9
Flow Temperature – Zone 2
[READ ONLY]
112 40113
Temperature value in ºC multiplied by 100.
(see note **)
9 9
External Water Temperature 2
[READ ONLY]
Temperature value in ºC multiplied by 100.
(see note **)
9
9
External Water Temperature 4
[READ ONLY]
Temperature value in ºC multiplied by 100.
(see note **)
9
Return Temperature – Zone 2
(signed)
[READ ONLY]
113 40114
Temperature value in ºC multiplied by 100.
(see note *)
9 9
External Water Temperature 6
(signed)
[READ ONLY]
Temperature value in ºC multiplied by 100.
(see note **)
9
Return Temperature – Zone 2
[READ ONLY]
114 40115
Temperature value in ºC multiplied by 100.
(see note **)
9 9
External Water Temperature 6
[READ ONLY]
Temperature value in ºC multiplied by 100.
(see note **)
9
Boiler Flow Temperature
(signed)
[READ ONLY]
115 40116
Temperature value in ºC multiplied by 100.
(see note *)
9 9
Boiler Flow Temperature
[READ ONLY]
116 40117
Temperature value in ºC multiplied by 100.
(see note **)
9 9
Boiler Return Temperature
(signed)
[READ ONLY]
117 40118
Temperature value in ºC multiplied by 100.
(see note *)
9 9
Boiler Return Temperature
[READ ONLY]
118 40119
Temperature value in ºC multiplied by 100.
(see note **)
9 9
Room Thermo 1 (IN1)
[READ ONLY]
119 40120 0 = OFF, 1 = ON
9 9
Room Thermo 2 (IN6)
[READ ONLY]
120 40121 0 = OFF, 1 = ON
9 9