The following table shows the Process IDs and initial values across recent Metasys releases. When tuning, you can restore Process IDs to their initial values by resetting tuning parameters.
See Resetting Tuning Parameters.
|
ID |
Version |
Process Type |
Description |
Units |
Time Constant |
Dead Time |
Process Range |
Initial Prop Band |
Initial Integral Time |
Saturation Time |
Interval (Period) |
|---|---|---|---|---|---|---|---|---|---|---|---|
|
0 |
Pre-5.1 |
Airflow |
Airflow |
cfm, l/s |
30 |
3 |
User Defined |
User Defined |
30 |
282 |
5 |
|
5.1 |
Airflow |
Airflow |
cfm, l/s |
30 |
3 |
User Defined |
User Defined |
30 |
10 |
3 |
|
|
6.x |
Airflow |
Airflow |
cfm, l/s |
30 |
3 |
User Defined |
User Defined |
30 |
15 |
3 |
|
|
1 |
Pre-5.1 |
Airflow % |
Airflow Percentage |
% |
30 |
3 |
100.0% |
72.7% |
30 |
282 |
5 |
|
5.1 |
Airflow % |
Airflow Percentage |
% |
30 |
3 |
100.0% |
72.7% |
30 |
10 |
3 |
|
|
6.x |
Airflow % |
Airflow Percentage |
% |
30 |
3 |
100.0% |
72.7% |
30 |
15 |
3 |
|
|
2 |
Pre-5.1 |
Airflow Difference |
Airflow Difference |
cfm, l/s |
30 |
3 |
User Defined |
User Defined |
30 |
282 |
5 |
|
5.1 |
Airflow Difference |
Airflow Difference |
cfm, l/s |
30 |
3 |
User Defined |
User Defined |
30 |
10 |
3 |
|
|
6.x |
Airflow Difference |
Airflow Difference |
cfm, l/s |
30 |
3 |
User Defined |
User Defined |
30 |
15 |
3 |
|
|
3 |
Pre-5.1 |
Bldg Static |
Building Static Pressure |
in w.c. Pa |
90 |
9 |
25 Pa 0.10 in w.c. |
18.2 Pa 0.073 in w.c. |
91 |
320 |
15 |
|
5.1 |
Bldg Static |
Building Static Pressure |
in w.c. Pa |
30 |
3 |
25 Pa 0.10 in w.c. |
18.2 Pa 0.073 in w.c. |
30 |
10 |
1 |
|
|
6.x |
Bldg Static |
Building Static Pressure |
in w.c. Pa |
30 |
3 |
25 Pa 0.10 in w.c. |
18.2 Pa 0.073 in w.c. |
30 |
15 |
3 |
|
|
4 |
Pre-5.1 |
CHWS-T HEX |
Chilled Water Supply Temperature/ Heat Exchanger |
°F, °C |
680 |
68 |
20 °C 36 °F |
14.5°C 26.1°F |
688 |
696 |
113 |
|
5.1 |
CHWS-T HEX |
Chilled Water Supply Temperature/ Heat Exchanger |
°F, °C |
90 |
9 |
20 °C 36 °F |
14.5°C 26.2°F |
91 |
150 |
10 |
|
|
6.x |
CHWS-T HEX |
Chilled Water Supply Temperature/ Heat Exchanger |
°F, °C |
300 |
30 |
20 °C 36 °F |
14.5°C 26.1°F |
304 |
150 |
30 |
|
|
5 |
Pre-5.1 |
CHWS-T Mixing |
Chilled Water Supply Temperature/ Mixing |
°F, °C |
500 |
50 |
20 °C 36 °F |
14.5°C 26.1°F |
506 |
581 |
83 |
|
5.1 |
CHWS-T Mixing |
Chilled Water Supply Temperature/ Mixing |
°F, °C |
60 |
6 |
20 °C 36 °F |
14.5°C 26.2°F |
61 |
30 |
5 |
|
|
6.x |
CHWS-T Mixing |
Chilled Water Supply Temperature/ Mixing |
°F, °C |
200 |
20 |
20 °C 36 °F |
14.5°C 26.1°F |
202 |
100 |
20 |
|
|
6 |
Pre-5.1 |
CWS-T |
Condenser Water Supply Temperature |
°F, °C |
600 |
60 |
15 °C 27 °F |
10.9°C 19.6°F |
607 |
645 |
100 |
|
5.1 |
CWS-T |
Condenser Water Supply Temperature |
°F, °C |
600 |
60 |
15 °C 27 °F |
10.9°C 19.6°F |
607 |
120 |
60 |
|
|
6.x |
CWS-T |
Condenser Water Supply Temperature |
°F, °C |
600 |
60 |
15 °C 27 °F |
10.9°C 19.6°F |
607 |
300 |
60 |
|
|
7 |
Pre-5.1 |
DA-H |
Discharge Air Humidity |
%RH |
300 |
30 |
80% |
58.1% |
304 |
454 |
50 |
|
5.1 |
DA-H |
Discharge Air Humidity |
%RH |
200 |
30 |
80% |
82.4% |
206 |
60 |
12 |
|
|
6.x |
DA-H |
Discharge Air Humidity |
%RH |
240 |
30 |
80% |
70.5% |
245 |
180 |
24 |
|
|
8 |
Pre-5.1 |
DA-T |
Discharge Air Temperature |
°F, °C |
200 |
20 |
30 °C 54 °F |
21.8°C 39.2°F |
202 |
390 |
33 |
|
5.1 |
DA-T |
Discharge Air Temperature |
°F, °C |
200 |
20 |
30 °C 54 °F |
21.8°C 39.2°F |
202 |
60 |
12 |
|
|
6.x |
DA-T |
Discharge Air Temperature |
°F, °C |
120 |
20 |
30 °C 54 °F |
33.8°C 60.9°F |
124 |
180 |
12 |
|
|
9 |
Pre-5.1 |
Duct Static |
Duct Static Pressure |
in w.c. Pa |
30 |
3 |
375 Pa 1.51 in w.c. |
272.5 Pa 1.094 in w.c. |
30 |
282 |
5 |
|
5.1 |
Duct Static |
Duct Static Pressure |
in w.c. Pa |
30 |
3 |
375 Pa 1.5 in w.c. |
272.5 Pa 1.1 in w.c. |
30 |
10 |
1 |
|
|
6.x |
Duct Static |
Duct Static Pressure |
in w.c. Pa |
30 |
3 |
375 Pa 1.51 in w.c. |
272.5 Pa 1.094 in w.c. |
30 |
15 |
3 |
|
|
10 |
Pre-5.1 |
HWS-T HW HEX |
Hot Water Supply Temperature/ Hot Water Heat Exchanger |
°F, °C |
680 |
68 |
40 °C 72 °F |
29.1°C 52.4°F |
688 |
696 |
113 |
|
5.1 |
HWS-T HW HEX |
Hot Water Supply Temperature/ Hot Water Heat Exchanger |
°F, °C |
90 |
9 |
40 °C 72 °F |
29.1°C 52.3°F |
91 |
50 |
10 |
|
|
6.x |
HWS-T HW HEX |
Hot Water Supply Temperature/ Hot Water Heat Exchanger |
°F, °C |
300 |
30 |
40 °C 72 °F |
29.1°C 52.3°F |
304 |
150 |
30 |
|
|
11 |
Pre-5.1 |
HWS-T Mixing |
Hot Water Supply Temperature/ Mixing |
°F, °C |
500 |
50 |
40 °C 72 °F |
29.1°C 52.4°F |
506 |
581 |
83 |
|
5.1 |
HWS-T Mixing |
Hot Water Supply Temperature/ Mixing |
°F, °C |
60 |
6 |
40 °C 72 °F |
29.1°C 52.3°F |
61 |
30 |
5 |
|
|
6.x |
HWS-T Mixing |
Hot Water Supply Temperature/ Mixing |
°F, °C |
200 |
20 |
40 °C 72 °F |
29.1°C 52.3°F |
202 |
100 |
20 |
|
|
12 |
Pre-5.1 |
HWS-T Steam HEX |
Hot Water Supply Temperature/ Steam Heat Exchanger |
°F, °C |
680 |
68 |
55 °C 99 °F |
40 °C 72 °F |
688 |
696 |
113 |
|
5.1 |
HWS-T Steam HEX |
Hot Water Supply Temperature/ Steam Heat Exchanger |
°F, °C |
90 |
9 |
55 °C 99 °F |
40 °C 71.9°F |
91 |
50 |
10 |
|
|
6.x |
HWS-T Steam HEX |
Hot Water Supply Temperature/ Steam Heat Exchanger |
°F, °C |
300 |
30 |
55 °C 99 °F |
40 °C 72 °F |
304 |
150 |
30 |
|
|
13 |
Pre-5.1 |
MA-T |
Mixed Air Temperature |
°F, °C |
80 |
8 |
25 °C 45 °F |
18.2°C 32.8°F |
81 |
314 |
13 |
|
5.1 |
MA-T |
Mixed Air Temperature |
°F, °C |
80 |
8 |
25 °C 45 °F |
18.2°C 32.7°F |
81 |
60 |
12 |
|
|
6.x |
MA-T |
Mixed Air Temperature |
°F, °C |
80 |
8 |
25 °C 45 °F |
18.2°C 32.8°F |
81 |
60 |
12 |
|
|
14 |
Pre-5.1 |
Pump Diff P |
Pump Differential Pressure |
psi, kPa |
30 |
3 |
140 kPa 561.5 in w.c. 20.3 psi |
101.7463 kPa 408.1 in w.c. 14.75 psi |
30 |
282 |
5 |
|
5.1 |
Pump Diff P |
Pump Differential Pressure |
psi, kPa |
30 |
3 |
140 kPa 561.5 in w.c. 20.3 psi |
101.7463 kPa 408.1 in w.c. 14.5 psi |
30 |
10 |
1 |
|
|
6.x |
Pump Diff P |
Pump Differential Pressure |
psi, kPa |
30 |
3 |
140 kPa 561.5 in w.c. 20.3 psi |
101.7463 kPa 408.1 in w.c. 14.75 psi |
30 |
15 |
3 |
|
|
15 |
Pre-5.1 |
RA-H |
Return Air Humidity |
%RH |
1200 |
120 |
50% |
36.3% |
1215 |
1027 |
200 |
|
5.1 |
RA-H |
Return Air Humidity |
%RH |
900 |
120 |
50% |
46.6% |
921 |
300 |
60 |
|
|
6.x |
RA-H |
Return Air Humidity |
%RH |
900 |
120 |
50% |
46.6% |
921 |
300 |
60 |
|
|
16 |
Pre-5.1 |
ZN-H |
Zone Humidity |
%RH |
1800 |
180 |
50% |
36.3% |
1822 |
1409 |
300 |
|
5.1 |
ZN-H |
Zone Humidity |
%RH |
900 |
180 |
50% |
66% |
942 |
300 |
60 |
|
|
6.x |
ZN-H |
Zone Humidity |
%RH |
900 |
180 |
50% |
66% |
942 |
300 |
60 |
|
|
17 |
Pre-5.1 |
ZN-T |
Zone Temperature |
°F, °C |
900 |
30 |
15 °C 27 °F |
4.2°C 7.6°F |
892 |
836 |
150 |
|
5.1 |
ZN-T |
Zone Temperature |
°F, °C |
900 |
30 |
15 °C 27 °F |
4.2°C 7.6°F |
892 |
300 |
60 |
|
|
6.x |
ZN-T |
Zone Temperature |
°F, °C |
900 |
30 |
15 °C 27 °F |
4.2°C 7.6°F |
892 |
300 |
60 |
|
|
19 |
Pre-5.1 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
5.1 |
ZN-T LC |
Zone Temperature with Lead Compensator |
°F, °C |
900 |
30 |
15 °C 27 °F |
4.2°C 7.6°F |
892 |
300 |
60 |
|
|
6.x |
ZN-T LC |
Zone Temperature with Lead Compensator |
°F, °C |
900 |
30 |
15 °C 27 °F |
4.2°C 7.6°F |
892 |
300 |
60 |
|
|
20 |
Pre-5.1 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
5.1 |
ZN-H LC |
Zone Humidity with Lead Compensator |
%RH |
900 |
180 |
50% |
66% |
899 |
300 |
60 |
|
|
6.x |
ZN-H LC |
Zone Humidity with Lead Compensator |
%RH |
900 |
180 |
50% |
66% |
899 |
300 |
60 |