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Verfügbare Sprachen
Verfügbare Sprachen
5.
COMMUNICATION CHARACTERISTICS
Through the AER485P1 accessory, units can communicate with the Modbus slave protocol towards a BMS network. The communication is based on the RTU
mode via RS485; the remote supervisor must have this configuration:
Communication mode
Communication type
Communication speed
6.
ANALOGUE VARIABLES
Available on standard versions
Available on versions with total recovery
Available on Freecooling versions
Address
1
2
3
4
5
SUR1 - Circ.1 recovery output temp.
6
7
8
9
10
11
12
TGP1 - Circ.1 discharge gas temp.
13
TGP2 - Circ.2 discharge gas temp.
14
15
16
17
18
19
20
21
SUW com - common evap. output temp.
22
SUR com - common recovery output temp.
23
24
25
27
SUW2 – Evap. 2 output temp. (DK cooling only)
28
SUWC– Common evap. output temp. (DK cooling only)
29
Lowe pressure 1 high resolution
30
Low pressure average 1 high resolution
31
DeltaP low pressure 1 high resolution
32
Lowe pressure 2 high resolution
33
Low pressure average 2 high resolution
34
DeltaP low pressure 2 high resolution
35
36
37
38
SFC - Freecooling input temperature
39
SFC2 - Freecooling glycol free output temperature
40
SRU – Intermediate evaporator input temperature glycol free
100
101
102
EVD-Suction temperature - Valve A
103
EVD-Evaporation pressure - Valve A
104
EVD-Suction temperature - Valve B
105
EVD-Evaporation pressure - Valve B
8
Stop_Bit
Parity_mode
R = Modbus command code = 3
R/W = Modbus command code = 6
Description
SUW - Evap. 1 ouput temp.
SIW - Evap. input temp.1
SIR - Recovery input temp.
TAP1 - Circ.1 high pressure
TBP1 - Circ. 1 low pressure
TAP2 - Circ.2 high pressure
TBP2 - Circ. 2 low pressure
TAE - External air temp. 1
SL1 - Circ.1 liquid temp.
SL2 - Circ.2 liquid temp.
SL1B - Circ.1 liquid temp. coil 2
Multi-function input
Software version
Software revision
SAC – Storage tank probe
SUR2 - Recovery output temp. 2
EVD-Superheat valve A
EVD-Superheat valve B
RS485 standard, asynchronous , 1 start bit
AVAILABLE CONTROLS
Available on Freecooling versions + glycol free
Available on heath pump only versions
Available for valve X option
UOM
°C
°C
°C
°C
Bar
Bar
Bar
Bar
°C
°C
°C
°C
°C
°C
---
°C
°C
---
°C
°C
Bar/100
Bar/100
Bar/100
Bar/100
Bar/100
Bar/100
°C
°C
°C
°C
°C
K
K
°C/°F
Bar/psi
°C/°F
Bar/psi
RTU
19200 baud
2 stop bit
no parity
Min
Max
Read/Write
-99.9
99.9
R
-99.9
99.9
R
-99.9
99.9
R
-99.9
99.9
R
-99.9
99.9
R
-99.9
99.9
R
-99.9
99.9
R
-99.9
99.9
R
-99.9
99.9
R
-999.9
999.9
R
-999.9
999.9
R
-99.9
99.9
R
-99.9
99.9
R
-99.9
99.9
R
-99.9
99.9
R
-99.9
99.9
R
-999.9
999.9
R
0
99.9
R
0
999
R
-99.9
99.9
R
-99.9
99.9
R
0
3276.7
R
0
999.9
R
0
99.9
R
0
3276.7
R
0
999.9
R
0
99.9
R
-99.9
99.9
R
-99.9
99.9
R
-99.9
99.9
R
-99.9
99.9
R
-99.9
99.9
R
SW version
2.4.1
2.1.0
2.1.0
2.4.1
2.4.1
2.4.1
2.4.1
2.4.1
2.4.1
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