McQuay Micro Tech Open Protocol Driver Manual | Page 18 of 35 |
Appendix A.2. Data Field Name Tables♣
If you do not know the field name it is possible to read the device by specifying the address only. More information is provided in Appendix A.4
Table 2 – Equipment Type: 200CFC 200 Series Centrifugal Chiller
Array | Read/ | Field Name | Number | Base | Device | |
Write/ | Scaling5 | |||||
Location | of Bytes | Address | ||||
|
| |||||
| Both |
|
|
| Method | |
1 | r | Model | 3 | 0x0A08 | 1 | |
4 | r | Refrigerant | 1 | 0x0A0B | 1 | |
5 | r | Units of Measure | 1 | 0x0A0C | 1 | |
6 | r | Software Version | 2 | 0x0A0D | 1 | |
8 | r | Software Revision | 1 | 0x0A0F | 1 | |
11 | r | Chiller Unit Temperature Type | 1 | 0x084B | 1 | |
12 | r | Communication Status | 1 | 0x040C | 1 | |
13 | r | Compressor Lift Pressure | 2 | 0x046A | 2 | |
15 | r | Compressor Motor Current | 2 | 0x044C | 1 | |
17 | r | Compressor Motor Current Percent | 1 | 0x044A | 1 | |
18 | r | Compressor Number of Starts | 2 | 0x085F | 1 | |
20 | r | Compressor Operating Hours | 2 | 0x0851 | 1 | |
22 | r | Compressor Suction Temperature | 2 | 0x043A | 3 | |
24 | r | Compressor Superheat - Discharge | 2 | 0x046E | 2 | |
26 | r | Compressor Superheat | 2 | 0x046C | 2 | |
28 | r | Condenser Approach Temperature | 2 | 0x0484 | 2 | |
30 | r | Condenser Heat Recovery Unit Present | 1 | 0x083F | 1 | |
31 | r | Condenser Heat Recovery Temperature - Delta | 2 | 0x048A | 2 | |
33 | r | Condenser Heat Recovery Water Temp. - Entering | 2 | 0x0454 | 3 | |
35 | r | Condenser Heat Recovery Water Temp. - Leaving | 2 | 0x0456 | 3 | |
37 | r | Condenser Pump Status | 1 | 0x0425 | 1 | |
38 | r | Condenser Pump # 1 Operating Hours | 2 | 0x085A | 1 | |
40 | r | Condenser Pump # 2 Operating Hours | 2 | 0x085D | 1 | |
42 | r | Condenser Refrigerant Pressure | 2 | 0x0440 | 2 | |
44 | r | Condenser Refrigerant Temperature | 2 | 0x0466 | 3 | |
46 | r | Condenser Subcooling Temperature | 2 | 0x0480 | 2 | |
48 | r | Condenser Water Flow Rate | 2 | 0x0452 | 1 | |
50 | r | Condenser Water Flow Status | 1 | 0x045F | 1 | |
51 | r | Condenser Water Rate Sensor | 1 | 0x083D | 1 | |
52 | r | Condenser Water Temperature - Delta | 2 | 0x0488 | 2 | |
54 | r | Condenser Water Temperature - Entering | 2 | 0x0436 | 3 |
♣Additional information may be obtained from McQuay International. Request the following document. MicroTech® Series 200 Centrifugal Chiller Data Communications Packet for Open Protocol™ Cent2_22.doc
5See Appendix A.1.
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