Operating Instructions

Chapter 2—Applications for ATEC—Base VAV
2-10 Siemens Building Technologies, Inc.
Table 2-2. Point Database for Application 2520.
Point
Number
Descriptor Factory
Default
(SI Units)
Eng.
Units
(SI Units)
Slope
(SI Units)
Intercept
(SI
Units)
On Text Off Text
{48} DMPR COMD 0.0 PCT 0.4 0.0
{49} DMPR POS 0.0 PCT 0.4 0.0
51 MTR1 TIMING 95 SEC 1 0
56 DMPR ROT
ANG
90 – 1 0
58 MTR SETUP 0 – 1 0
59 DO DIR. REV 0 1 0
63 CLG P GAIN 20.0
(36.0)
– 0.25
(0.45)
0.0 –
64 CLG I GAIN 0.01
(0.018)
– 0.001
(0.0018)
0.0 –
65 CLG D GAIN 0.0
(0.0)
– 2
(3.6)
0 – –
66 CLG BIAS 0.0 PCT 0.4 0.0
71 FLOW P GAIN 0.0 0.05 0.0
72 FLOW I GAIN 0.01 0.001 0.0
73 FLOW D GAIN 0 2 0
74 FLOW BIAS 50.0 PCT 0.4 0.0
{75} FLOW 0.0 PCT 0.25 0.0
{76} CTL FLOW MIN 220
(103.818)
CFM
(LPS)
4
(1.8876)
0 – –
{77} CTL FLOW MAX
2200
(1038.18)
CFM
(LPS)
4
(1.8876)
0 – –
{78} CTL TEMP 74.0
(23.44888)
DEG F
(DEG C)
0.25
(0.14)
48.0
(8.88888)
– –
{79} CLG LOOPOUT 0.0 PCT 0.4 0.0
{92} CTL STPT 74.0
(23.44888)
DEG F
(DEG C)
0.25
(0.14)
48.0
(8.8888)
– –
{93} FLOW STPT 0.0 PCT 0.25 0.0
{94} CAL AIR NO YES NO
95 CAL SETUP 4 – 1 0
96 CAL TIMER 12 HRS 1 0
1. Points not listed are not used in this application
2. A single value in a column means that the value is the same in English units and in SI units.
3. Point numbers that appear in brackets { } may be unbundled at the field panel.
continued on next page. . .