ABB AV1 Operating Instructions Manual page 16

INTRODUCTION
Table 1-3. Type AV1/2 Positioner Specifications
Property
Maximum
Standard stroke range (cam selection)
AV__1____
AV__2____
Gain
2
Accuracy
AV1
AV2
Resolution
AV1
AV2
2
Hysteresis
AV1
AV2
2
Repeatability
AV1
AV2
2
Deadband
AV1
AV2
2
Linearity
Supply pressure
Supply pressure effect
Capacity (maximum capacity exhaust-
ing to atmosphere)
Air consumption
2
Vibration effect
Pneumatic connections
Materials of construction
Enclosure
Pilot valve
Enclosure classification
Standard
AV______N
SPECIFICATIONS
1 - 8
Characteristic/Value
245 Ω at 60°C (140°F)
12.7 to 50.8 mm (0.5 to 2.0 in.) linear, rotary input 45°
25.4 to 101.6 mm (1.0 to 4.0 in.) linear, rotary input 90°
2 adjustment levels by changing gain hinge spring. Refer to the flow
gain curves as shown in Figures
gain units.
0.80% of span maximum
0.90% of span maximum
0.09% of span maximum
0.30% of span maximum
0.45% of span maximum
0.70% of span maximum
0.12% of span maximum
0.50% of span maximum
0.12% of span maximum
0.30% of span maximum
0.70% of span maximum
172 to 1034 kPa (25 to 150 psig)
NOTE: Minimum supply pressure should be 34.4 kPa (5.0 psig) above operating pres-
sure required by actuator.
0.05% per 6.9 kPa for ±69 kPa change
(0.05% per 1.0 psi for ±10 psig change)
Refer to Figure 1-1.
Refer to Figure 1-2.
<2.0% error for:
5 to 15 Hz at peak-to-peak constant displacement of 4 mm (0.16 in.)
15 to 120 Hz at accelerations to 2 Gs
¼-NPT on supply, signal and output connections
⁄
1 -NPT on pressure gages
8
Aluminum and <0.5% magnesium
303 stainless steel
NEMA 3R classification when vent hole is protected from rain using
rain elbow (½-NPT street elbow, refer to Figure 3-1).
NEMA 4X when installed per drawing C258567.
1
(continued)
1-3 and 1-4 for standard and high