update 08/02/2021
Maximum Series Portable Chiller : Air & Water-Cooled : MG Series Instrument
Page: 87
ADVANTAGE ENGINEERING, INC.
525 East Stop 18 Road Greenwood, Indiana 46142
317-887-0729 Fax: 317-881-1277
Service Department Fax: 317-885-8683
Email: service@AdvantageEngineering.com
Temperature Setpoint
Reserved
Temperature High Alarm
Temperature Low Alarm
Low Flow Alarm
To Process Temperature
From Process Temperature
Flow
Process Status
Machine Status 1
Machine Status 2
Machine Status 3
Machine Control
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Status
Reserved
Reserved
Reserved
Reserved
Reserved
Low Refrig Suction Pressure
High Refrig Discharge Pressure
To Process Water
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Register
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
Coil
1 thru 16
17 thru 32
33 thru 48
49 thru 64
65 thru 80
81 thru 96
97 thru 112
113 thru 128
257 thru 272
Use
R/W
R/W
R/W
R/W
R
R
R
R
R
R
R
R
R
R/W
R
R
R
R
R
R
R
R
R
R
R
R
Range
0 - 250
0 - 50
0 - 50
0 - 255
0 - 255
0 - 255
Units
F
F
F
GPM
F
F
GPM
F
F
F
F
F
F
PSI
PSI
PSI
Notes
Deviation Value
Deviation Value
Absolute Value
* Low water level is defined but not implemented
and will never trigger
Bit 15 Bit 14 Bit 13 Bit 12 Bit 11 Bit 10 Bit 9
Low
Flow
Bit 8 Bit 7 Bit 6 Bit 5
Low
Temp
Bit 4
Hi
Temp
Bit 3
Alarm
Machine
Bit 2
Alarm
Process
Bit 1
Alarm
Bit 0
0
Bit 15 Bit 14 Bit 13 Bit 12 Bit 11 Bit 10 Bit 9
Phase
Wrong
MOL Evap
Pump
Low Flow
Bit 8 Bit 7 Bit 6 Bit 5
Low Temp
Bit 4
Bit 3
Alarm
Machine
Bit 2
Alarm
Process
Bit 1
Alarm
Bit 0
0
Low Ref
Pressure
High Ref
Pressure
Bit 15 Bit 14 Bit 13 Bit 12 Bit 11 Bit 10 Bit 9 Bit 8 Bit 7 Bit 6 Bit 5 Bit 4
Sensor
Fail
Bit 3
Alarm
Machine
Bit 2
Alarm
Process
Bit 1
Alarm
Bit 0
0
Bit 15 Bit 14 Bit 13 Bit 12 Bit 11 Bit 10 Bit 9 Bit 8 Bit 7 Bit 6 Bit 5
MOL Proc
Pump
Bit 4
Low Water
Level
Bit 3
Alarm
Machine
Bit 2
Alarm
Process
Bit 1
Alarm
Bit 0
0
MOL Evap
Pump
Bit 15 Bit 14 Bit 13 Bit 12 Bit 11 Bit 10 Bit 9 Bit 8 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1
Alarm
Ack.
Bit 0
On/Off
Bit 15 Bit 14 Bit 13 Bit 12 Bit 11 Bit 10 Bit 9
Reserved Zone OnReserved1 Output 4 Output 3 Output 2 Output 1 Reserve
D
Bit 8 Bit 7 Bit 6 Bit 5
Comp.
Overload
Bit 4
Low Oil
Pressure
Bit 3
Reserved
Bit 2
High Ref.
Pressure
Bit 1
Low Ref.
Pressure
Bit 0
Low Water
Flow
1Reserved Running
8.9 MODBUS REGISTERS
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