Table of Contents
3. 9. 2 Fan Speed Control
Register
type
Holding
Holding
Holding
Holding
Holding
Holding
Input
'User fan speed' (input register 201) changes every time the user makes a fan-speed adjust-
ment on the wall module.
'Fan speed feedback' (holding register 1202) is used for local display when the user fan speed
is selected as AUTO.
'Fan UI attributes' (holding register 2208) register description:
•
Bit 0: Allow fan override (0: not allowed; fan button disabled / 1: Override allowed)
•
Bit 1: Display type for single-stage fan (0: 1 bar, 1: 3 bars)
45
Relative
Absolute
Dir
Address
Address
2204
42205
R/W
2205
42206
R/W
2206
42207
R/W
2207
42208
R/W
2208
42209
R/W
1202
41203
R/W
201
30202
R
Config
Name
parameter
Fan type
204
EC Fan speed
205
adjust step size
Fan speed low-
206
limit
Fan speed high-
207
limit
Fan UI attributes 208
Fan speed
-
feedback
User fan speed
-
TR80 - Installation and Operation Guide
Type
Range
0: no fan
1: Single speed fan
enum
2: 2-speed fan
3: 3-speed fan
4: EC fan
0: 1%
1: 2%
enum
2: 5%
3: 10%
4: 20%
0-100 % for EC
Int
fans,
0-3 for others
0-100 % for EC
Int
fans,
0-3 for others
bitwise
See below
EC Fans: 0..100%
Others: 0..3
int
Unknown/invalid:
32767
EC Fans: 0..100%
Others: 0..3 (Off-Lo-
int
Med-Hi)
Auto= 0x7FFF
Default
value
3
3
0
100
1
32767
32767
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