AERMEC AER485 User manual

IAER485UJ - 6876300_03
IT GB FR DE ES
Interfaccia seriale per schede chiller • Serial interface for chiller cards
Interface série pour cartes chiller • Serielle Schnittstelle Für Chiller-Steuerung
Interface serie para tarjetas congelador
AER485

Contents
Precautions and safety regulations................................................................................13
EC declaration of conformity notes ...............................................................................13
AER485 General remarks ...............................................................................................14
Connection between AER485, GR cards and AERWEB................................................15
AER485 connection with GR03 ................................................................................. 15
AER485 connection with GR03 and AerWeb30 ........................................................15
AER485 connection with GR03, AerWeb30 and AerModem.....................................16
AER485 connection with GR03, AerWeb30 and AerModem GSM............................16
AER485 Dip Switch setting.............................................................................................17
Address conversion from decimal to binary .................................................................18
Table DIGITAL READ (Code 01).......................................................................................19
Addresses table for BMS implementation .....................................................................19
Table DIGITAL READ (Code 01).......................................................................................20
Table DIGITAL WRITE (Code 05)...................................................................................... 20
Table ANALOGUE WRITE (Code 06) ............................................................................... 20
Table ANALOGUE READ (Code 03) ................................................................................21
12

DO NOT wet the packaging DO NOT tread on the packaging Handle with care
Safety symbols
Danger: power supply WARNING Danger: moving parts
Precautions and safety regulations
Store the manuals in a dry location to avoid deterioration, as they must be kept for
at least 10 years for any future reference.
Carefully and thoroughly read all the information referred to in this manual.
Pay particular attention to the usage instructions accompanied by the words
"DANGER" or "WARNING" because, if not observed, they can cause damage to
the machine and/or property and/or injury to people. If any kind of malfunction is
not included in this manual, contact the local After Sales Service immediately.
The device must be installed in such a way that maintenance and/or repair
operations are possible.
The warranty of the device does not in any case cover costs owing to ladder
trucks, lifts or other lifting systems that may be required in order to carry out the
interventions under guarantee.
AERMEC S.p.A. declines all liability for any damage
due to improper use of the machine, or the partial or superficial reading of the
information contained in this manual.
Caution: this product contains electrical and
electronic equipment that may not be dispo-
sed of through normal municipal waste col-
lection channels. There are special centres
for the separate collection of this material.
The electrical and electronic apparatus must
be treated separately and in accordance with
the relevant legislation in force in the country
the apparatus is installed in. Batteries or accu-
mulators in the apparatus must be disposed of
separately in accordance with local regulations.
Disposal instructions Notes on manuals
EC declaration of conformity notes
The accessory described in this manual may only be used in con-
junction with the machine to which it has been designed. The
EC declaration of conformity of the equipment to which it will
be integrated is valid when this condition is satisfied. Refer to
the manual provided with the unit in order to check the list of
compatible accessories.
!
13

FUSE
CONN1
FUSE
CONN1
170 106 157
126
FUSE
CONN1
In general AER485
The AER485 accessory allows the in-
terfacing of the Aermec cards, which
equip the NRA/C, NBW, NLW, NRL
series machines, to a communication
network with RS485 electrical standard.
This permits the use of the Modbus RTU
protocol for the remote control of the
machine. The software version of the
display card must be 3.3 or later. This
card is installed on the machine and
connected to the display card.
M1 supply to AER485 card
CONN1
10-way M3 flexible flat cable
AER485 card dimensions
AER485 card supply
The L, N power supply of the auxiliary
circuit must be connected to the M1
control board of the AER485 card.
Line
Neutral of the auxiliary circuit
14

FUSE
CONN1
FUSE
CONN1
+
-
Connection between AER485, GR cards and AERWEB
2
1
3
230V~50Hz
230V~50Hz
1
23
4
5
6
7
AER485 connection with GR03
AER485 connection with GR03 and AerWeb30 Key
1 - GR03 card
2 - 10-way flexible flat cable
3 AER485 card
4 - AerWeb 30
5 - RS485 serial cable
6 - Serial connection
7 - Ferrite
8 - Pc
Key
1 - GR03 card
2 - 10-way flexible flat cable
3 AER485 card
8
The serial connection between AER485
and AerWeb 30, must be carried out
using shielded two-pole cable (connecting
the shielding to earth); the name of the
control board for the serial connection is
CONN1; The poles indicated on the card
represent:
Pole A = POSITIVE POLE;
Pole B = NEGATIVE POLE;
The supplied ferrite must be introduced onto the serial connection cable,
positioning it close to the AER485 card. The installation of the ferrite must
be carried out by twisting the cable around the ferrite two times.
Serial connection,
terminals 7 and 8
Power supply connection,
terminals 10 and 12
Serial connection (MODBUS protocol)
15

FUSE
CONN1
+
-
FUSE
CONN1
+
-
230V~50Hz
1
23
45
6
9
8
7
AER485 connection with GR03, AerWeb30 and AerModem
Key
1 - GR03 card
2 - 10-way flexible flat cable
3 AER485 card
4 - AerWeb 30
5 - AerModem
6 - Telephone cable
7 - RS485 serial connection
8 - Serial connection
9 - Ferrite
The serial connection between AER485
and AerWeb 30, must be carried out
using shielded two-pole cable (connecting
the shielding to earth); the name of the
control board for the serial connection is
CONN1; The poles indicated on the card
represent:
Pole A = POSITIVE POLE;
Pole B = NEGATIVE POLE;
The supplied ferrite must be introduced onto the serial connection cable,
positioning it close to the AER485 card. The installation of the ferrite must
be carried out by twisting the cable around the ferrite two times.
Serial connection,
terminals 7 and 8
Power supply connection,
terminals 10 and 12
AER485 connection with GR03, AerWeb30 and AerModem GSM
Key
1 - GR03 card
2 - 10-way flexible flat cable
3 AER485 card
4 - AerWeb 30
5 - AerModem GSM
6 - Antenna GSM with cable
7 - RS485 serial connection
8 - Serial connection
9 - Ferrite
230V~50Hz
1
23
4
5
6
9
8
7
The serial connection between AER485
and AerWeb 30, must be carried out
using shielded two-pole cable (connecting
the shielding to earth); the name of the
control board for the serial connection is
CONN1; The poles indicated on the card
represent:
Pole A = POSITIVE POLE;
Pole B = NEGATIVE POLE;
The supplied ferrite must be introduced onto the serial con-
nection cable, positioning it close to the AER485 card. The
installation of the ferrite must be carried out by twisting the
cable around the ferrite two times. Serial connection,
terminals 7 and 8
Power supply connection,
terminals 10 and 12
16

FUSE
CONN1
ON
123
ON
12345678
M3
1234
ON
OFF 1234
ON
OFF
AER485 Dip Switch setting
There are 4 dip-switches on the AER485
card known as SW1. These must be su-
itable configured based on the display
card version to which it is connected.
DIP-SWITCH (Display version)
Each display card has an address, and
this address must be different from the
address of any other card connected to
the same network. The address range
varies from 1 to 255.
The translation from address value to
Dip setting is shown in the conversion
table. The figures from left to right re-
spectively correspond to the Dips from
position 1 to position 8.
The DIP switches have the following va-
lue, according to their position:
DIP ON = 0
DIP OFF = 1
NB To set the address, you need to re-
fer to the binary numeration system. DIP
switch number one has a weight of 20,
which is 1, while DIP switch number 8
has a weight of 27, which is 128.
To calculate the address, add together
all the weights of DIP switches set to
OFF.
Example: DIP switches 3, 6, and 7 are
set to OFF, while the others are set to
ON. The address value is as follows:
4+32+64=100
DIP-SWITCH (Unit address)
For display card with code 3279650
IM04 or LOWER IM:
For display card with code 3381750
IM00 or HIGHER IM or 3399950 IM00
or HIGHER IM:
17

0 00000000
1 00000001
2 00000010
3 00000011
4 00000100
5 00000101
6 00000110
7 00000111
8 00001000
9 00001001
10 00001010
11 00001011
12 00001100
13 00001101
14 00001110
15 00001111
16 00010000
17 00010001
18 00010010
19 00010011
20 00010100
21 00010101
22 00010110
23 00010111
24 00011000
25 00011001
26 00011010
27 00011011
28 00011100
29 00011101
3 0 0 0 011110
31 0 0 011111
32 00100000
33 00100001
34 00100010
35 00100011
36 00100100
37 00100101
38 00100110
39 00100111
40 00101000
41 00101001
42 00101010
43 00101011
Default
Binary
address
44 00101100
45 00101101
46 00101110
47 0 0101111
48 00110000
49 00110001
50 00110010
51 00110011
52 00110100
53 00110101
54 00110110
5 5 0 0 110111
56 00111000
57 00111001
58 00111010
59 00111011
6 0 0 011110 0
61 0 0111101
6 2 0 0111110
6 3 0 0111111
64 01000000
65 01000001
66 01000010
67 01000011
68 01000100
69 01000101
70 01000110
71 01000111
72 01001000
73 01001001
74 01001010
75 01001011
76 01001100
77 01001101
78 0 10 01110
7 9 0 10 01111
80 01010000
81 01010001
82 01010010
83 01010011
84 01010100
85 01010101
86 01010110
87 01010111
88 01011000
89 01011001
90 01011010
91 01011011
92 01011100
93 01011101
94 01011110
9 5 0 1011111
96 01100000
97 01100001
98 01100010
99 01100011
100 01100100
101 01100101
10 2 0110 0110
10 3 0110 0111
104 01101000
105 01101001
106 01101010
107 01101011
108 01101100
109 01101101
110 01101110
111 01101111
112 01110000
113 01110 0 01
114 01110 010
115 01110 011
116 0111010 0
117 01110101
118 01110110
119 01110111
12 0 011110 0 0
121 011110 01
12 2 01111010
12 3 01111011
124 0111110 0
12 5 01111101
12 6 01111110
127 01111111
128 10000000
129 10000001
130 10000010
131 10000011
132 10000100
133 10000101
134 10000110
135 10000111
136 10001000
137 10001001
138 10001010
139 10001011
140 10001100
141 10001101
142 10001110
14 3 10 0 0 1111
144 10010000
145 10010001
146 10010010
147 10010011
148 10010100
149 10010101
150 10010110
151 10 010111
152 10011000
153 10011001
154 10011010
155 10011011
156 10011100
15 7 10 011101
15 8 10 011110
15 9 10 011111
160 10100000
161 10100001
162 10100010
163 10100011
164 10100100
165 10100101
166 10100110
167 10 10 0111
168 10101000
169 10101001
170 10101010
171 10101011
172 10101100
173 10101101
174 10101110
175 10101111
176 10110000
177 10110001
178 10110010
179 10110011
180 10110100
181 10110101
182 10110110
18 3 10 110111
18 4 101110 0 0
18 5 101110 01
18 6 10111010
187 10111011
18 8 1011110 0
18 9 10111101
19 0 10111110
191 10111111
192 11000000
193 11000001
194 11000010
195 11000011
196 11000100
197 11000101
198 11000110
199 11000111
200 11001000
201 11001001
202 11001010
203 11001011
204 11001100
205 11001101
206 11001110
2 07 110 0 1111
208 11010000
209 11010001
210 11010010
211 11010011
212 11010100
213 11010101
214 11010110
215 11010111
216 11011000
217 11011001
218 11011010
219 11011011
2 2 0 1101110 0
2 21 11011101
2 2 2 11011110
2 2 3 11011111
224 11100000
225 11100001
226 11100010
227 11100011
228 11100100
229 11100101
230 11100110
2 31 1110 0111
232 11101000
233 11101001
234 11101010
235 11101011
236 11101100
2 37 1110 1101
2 3 8 11101110
2 3 9 11101111
24 0 11110000
241 11110 0 01
24 2 11110 0 10
24 3 11110 011
24 4 11110 10 0
24 5 11110101
24 6 11110110
247 11110111
24 8 111110 0 0
24 9 111110 01
2 5 0 11111010
2 51 11111011
2 5 2 1111110 0
2 5 3 11111101
2 5 4 11111110
2 5 5 11111111
Default
Binary
address
Default
Binary
address
Default
Binary
address
Default
Binary
address
Default
Binary
address
Address conversion from decimal to binary
18

Addresses table for BMS implementation
Below are the addresses foreseen by the protocol and the cor-
responding meaning in terms of the machine. The addresses
that are not listed are reserved or not used and therefore
commands related to addresses that are not listed cannot
be used as this could lead to the malfunction or breakage
of the machine.
ID Data description
0 Standby/On command (toggle) 0=OFF 1=ON
1 Cooling/Heating mode command (toggle) 0=COLD 1=HOT
2 Safety reset command 1=RESET
3 Local/remote command (toggle) 0=LOCAL 1=REMOTE
4 Defrosting status, circuit 1
5 Defrosting status, circuit 2
6 Circuit 1 alarm summary condition
7 Circuit 2 alarm summary condition
8 Flow switch alarm
9 Condenser pump heating alarm
10 Evaporator pump heating alarm
11 Efficiency alarm
12 Circuit 1 compressor heating alarm
13 Low circuit 1 pressure alarm
14 High circuit 1 pressure alarm
15 Circuit 1 antifreeze alarm
16 Circuit 1 fan heating alarm
ID Data description
17 Circuit 1 oil pressure switch alarm
18 Probe alarm circuit 1
19 Circuit 2 compressor heating alarm
20 Low circuit 2 pressure alarm
21 High circuit 2 pressure alarm
22 Circuit 2 antifreeze alarm
23 Circuit 2 fan heating alarm
24 Circuit 2 oil pressure switch alarm
25 Probe alarm circuit 2
26 Voltage monitor alarm
27 Circuit 1 pumpdown alarm
28 Circuit 2 pumpdown alarm
29 Eprom alarm
30 Clock calendar alarm
31 Evaporator pump load
32 Pressure bypass valve load
33 Condenser pump load
34 Circuit 1 compressor load
Table DIGITAL READ (Code 01)
REFERENCE GUIDE FOR MODBUS RTU PROTOCOL
The Modaer communication protocol is the communication
standard made available by Aermec for the connection betwe-
en machines of the chiller series and centralised supervision
or control systems (see the Aermec products guide to see on
which machine this protocol is available).
The protocol allows both the point to point connection (machi-
ne * supervisor), as well as several machines (max 255) on
the same bus link to a supervisor, because it manages one
address for each machine.
The system uses a master-slave communication mode, there-
fore the supervision system is master and the machine slave.
This means that the machine only responds to the enquiry
made by the supervisor.
SERIAL CONFIGURATION:
9600 baud
1 start bit
no parity
1 stop bits
19

ID Code Data description
0SetFreddo Cooling mode setting
1SetCaldo Heating mode setting
2Dif.Grad Step differential setting for thermostat
3Tot. diff. Total differential setting per thermostat
15 S.CaldoR Heating mode setting for managing the heat recovery unit
16 D.Grad.R Step differential setting for thermostat managing the heat recovery unit
17 D.Tot.R Total differential setting for thermostat managing the heat recovery unit
41 2° Set F. Second cooling set
42 2° Set C. second heating set
Table ANALOGUE WRITE (Code 06)
ID Data description
0 Standby/On command (toggle) 0=OFF 1=ON
1 Cooling/Heating mode command (toggle) 0=COLD 1=HOT
2 Safety reset command 1=RESET
3 Local/remote command (toggle) 0=LOCAL 1=REMOTE
Table DIGITAL WRITE (Code 05)
ID Data description
35 Circuit 1 capacity control valve load
36 Circuit 1 inversion load
37 Circuit 1 bypass valve load
38 Circuit 1 fan load
39 Circuit 1 exchanger heater load
40 Circuit 1 liquid valve load
41 Circuit 1 secondary compressor load
42 Circuit 2 compressor load
43 Circuit 2 capacity control valve load
44 Circuit 2 inversion load
45 Circuit 2 bypass valve load
46 Circuit 2 fan load
47 Circuit 2 exchanger heater load
48 Circuit 2 liquid valve load
49 Circuit 2 secondary compressor load
50 Circuit 1 VRT heat recovery unit valve load
51 Circuit 2 VRT heat recovery unit valve load
ID Data description
52 Circuit 1 VB heat recovery unit valve load
53 Circuit 1 VR heat recovery unit valve load
54 Circuit 2 VB heat recovery unit valve load
55 Circuit 2 VR heat recovery unit valve load
56 Integration 1 resistance load
57 Integration 2 resistance load
58 Integration 3 resistance load
59 Evaporator pump 2 load
60 Evaporator pump 3 load
80 Heat recovery unit flow switch alarm
81 Circuit 1A compressor heating alarm
82 Circuit 2A compressor heating alarm
83 Evaporator pump 1 heating alarm
84 Evaporator pump 2 heating alarm
85 Evaporator pump 3 heating alarm
86 Circuit 1 evaporator antifreeze alarm
87 Circuit 2 evaporator antifreeze alarm
Table DIGITAL READ (Code 01)
20

ID Code Data description
0 SetFreddo Cooling mode setting
1 SetCaldo Heating mode setting
2 Dif.Grad Differential step setting for thermostat
3 Tot. diff. Total differential setting per thermostat
15 S.CaldoR Heating mode setting for managing the heat recovery unit
16 D.Grad.R Total differential setting for thermostat managing the heat recovery unit
17 D.Tot.R Differential step setting for thermostat managing the heat recovery unit
18 TIA Water input temperature
19 TUA C1 Circuit 1 water outlet temperature
20 TUA C2 Circuit 2 water outlet temperature
21 TAE Outside air temperature
22 TL C1 Liquid temperature circuit 1
23 TL C2 Liquid temperature circuit 2
24 TIAH Condenser water inlet temperature
25 TUAH C1 Condenser water outlet temperature circuit 1
26 TUAH C2 Condenser water outlet temperature circuit 2
27 TIR Recovery exchanger water inlet temperature
28 TUR1 Recovery exchanger water outlet temperature, circuit 1
29 TUR2 Recovery exchanger water outlet temperature, circuit 2
30 P.A.C1 High pressure, circuit 1
31 P.A.C2 High pressure, circuit 2
32 P.B.C1 Low pressure, circuit 1
33 P.B.C2 Low pressure, circuit 2
41 2° Set F. Second cooling set
42 2° Set C. second heating set
13 2Ore CP1 Working hours compressor circuit 1
133 Ore CP2 Working hours compressor circuit 2
142 Timer Select daily/weekly timer mode
169 OreCP1A Circuit 1A compressor working hours
170 OreCP2A Circuit 2A compressor working hours
Table ANALOGUE READ (Code 03)
21

AERMEC S.p.A.
I-37040 Bevilacqua (VR) - Italia
Via Roma, 996 - Tel. [phone]
Telefax ([phone] - 0442 93730
www.aermec.com
I dati tecnici riportati nella presente documentazione non sono impegnativi.
AERMEC S.p.A. si riserva la facoltà di apportare in qualsiasi momento tutte le modifi-
che ritenute necessarie per il miglioramento del prodotto.
Technical data shown in this booklet are not binding.
AERMEC S.p.A. shall have the right to introduce at any time whatever modifications
deemed necessary to the improvement of the product.
Les données mentionnées dans ce manuel ne constituent aucun engagement de notre
part. AERMEC S.p.A. se réserve le droit de modifier à tous moments les données con-
sidérées nécessaires à l' amelioration du produit.
Im Sinne des technischen Fortschrittes behält sich AERMEC S.p.A. vor, in der
Produktion Änderungen und Verbesserungen ohne Ankündigung durchzuführen.
AERMEC S.p.A. se reserva el derecho de modificarlos en cualquier momento lle-
vado por la necesidad de mejorar el producto.
Los datos técnicos que se reproducen en este documento no son vinculantes.
AERMEC S.p.A. se reserva el derecho de modificarlos en cualquier momento llevado
por la necesidad de mejorar el producto.
52