M2B+ Controller
Modbus Accessible Parameter Mapping. The customized controller allows access to (29)
controller parameters and settings, which can be accessed in Integer Mode or Floating point
mode. This is accomplished with (2) Point Address ranges, allowing data exchange in either
integer or floating point format, for all controller parameters and settings. All data conversion
such as rounding, integer float, Etc, is transparent and handled by the controllers, since
internal variables data type can be different for the MODBUS data exchange types.
The M2B+ customized controller software supports the following Modbus Parameters and
Settings:
Figure 4: Modbus Parameters List
Parameter
/ Item
Index
R/W Integer
Data
Region
Point
Address
Float
Data
Region
Point
Address
Min
Value
Max
Value
Description
0 R 0000 4000 0 0 Version ID (4369)
1 R 0001 4002 -34 343 Delivery Temp (ºC)
2 R 0002 4004 -34 343 Mold Temp (ºC)
3 R 0003 4006 -34 343 Return Temp (ºC)
4 R 0004 4008 0 999 Flow Value
5 R/W 0005 4010 0 1 System Standby Heat/cool
6 R/W 0006 4012 0 1 Temp Units
7 R/W 0007 4014 -34 343 Setpoint 1 (ºC)
8 R/W 0008 4016 -34 343 Setpoint 2 (ºC)
9 R/W 0009 4018 -34 343 Alarm 1 Low (ºC)
10 R/W 0010 4020 -34 343 Alarm 1 High (ºC)
11 R/W 0011 4022 1 343 Prop. Band Heat (ºC)
12 R/W 0012 4024 1 343 Prop. Band Cool (ºC)
13 R/W 0013 4026 0 999 Reset (seconds)
14 R/W 0014 4028 0 999 Rate (seconds)
15 R/W 0015 4030 0 999 Autotune.State
16 R/W 0016 4032 0 999 Autotune.TuneDutyPercent
17 R/W 0017 4034 0 999 Autotune.PeakOverShoot
18 R/W 0018 4036 0 999 Autotune.PeakUnderShoot
19 R/W 0019 4038 0 999 Autotune.InitialTempDeviation
20 R/W 0020 4040 0 999 Autotune.ProcessTripTemp
21 R 0021 4042 -34 343 Delivery Temp (ºC)
22 R/W 0022 4044 -34 343 Setpoint 1 (ºC)
23 R/W 0023 4046 0 999 Proportional Percent (%)
24 R/W 0024 4048 0 999 Integral Percent (%)
25 R/W 0025 4050 0 999 Direvative Percent (%)
26 R/W 0026 4052 0 999 PID Output Percent (%)
27 R/W 0027 4054 0 999 Heater Output Percent (%)
28 R/W 0028 4056 0 999 Cooling Output Percent (%)
Chapter 5: Advanced Operation 49 of 65
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