RPM20 Variable List
Variable Name
Room 2 Negative
58
High Alarm Setpoint
Room 2 Positive
59
Low Alarm Setpoint
Room 2 Positive
60
High Alarm Setpoint
Alarm Reset
61
Audible Alarm
62
Enable
Alarm Delay
63
Mute Timeout
64
Door Delay
65
Modbus Address
66
Output 1 Signal
67
Type
Output 1 Range
68
Output 1 Signal
69
Output 1 Value
70
Output 2 Signal
71
Type
Output 2 Range
72
Output 2 Signal
73
Output 2 Value
74
Output 3 Signal
75
Type
Output 3 Range
76
Output 3 Signal
77
Output 3 Value
78
80
Variable
Address
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read
Read
Read
Read
Read
Read
Read
Read
Read
Read
Read
Read
Read
Integer DDC system receives
Displayed in inches H2O.
Host DDC system must divide value by
100,000 to report pressure correctly
Displayed in inches H2O.
Host DDC system must divide value by
100,000 to report pressure correctly
Displayed in inches H2O.
Host DDC system must divide value by
100,000 to report pressure correctly
1
Latched
2
Unlatched
1
On
2
Off
Displayed in seconds
Displayed in minutes
Displayed in seconds
1
None
2
Room 1 Pressure (RPM20)
Displayed in inches H2O.
Host DDC system must divide value by
100,000 to report pressure correctly
1
4-20 mA
2
0 to 10 VDC
0 to 100%
1
None
2
Room 1 Pressure Output
3
Room 1 Exhaust Flow Output
If Pressure: Displayed in inches H2O.
Host DDC system must divide value by
100,000 to report pressure correctly
If Flow: Displayed in cfm
1
4-20 mA
2
0 to 10 VDC
0 to 100%
1
None
2
Room 1 Supply Flow Output (RPM20)
3
Room 1 Exhaust Flow Output (RPM20)
4
Room 2 Pressure Output (RPM20)
If Pressure: Displayed in inches H2O.
Host DDC system must divide value by
100,000 to report pressure correctly
If Flow: Displayed in cfm
4-20 mA
0 to 10 VDC
0 to 100%
Appendix B