Operating Instructions

Chapter 2—Applications for ATEC—Base VAV
2-20 Siemens Building Technologies, Inc.
Table 2-4. Point Database for Application 2521.
Point
Number
Descriptor Factory
Default
(SI Units)
Eng.
Units
(SI Units)
Slope
(SI Units)
Intercept
(SI Units)
On Text Off Text
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 – –
{80} HTG 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
(8.88888)
– –
{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 – –
97 DUCT AREA 1.0
(0.09292)
SQ. FT
(SQ M)
0.025
(0.002323)
0.0 – –
98 LOOP TIME 5 SEC 1 0 – –
{99} ERROR STATUS 0 – 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.