VMA1400 Series Overview and Engineering Guidelines Technical Bulletin 31
Feature (Cont.) Specification
Analog Outputs
(AP-VMA1420 and VMA1430)
Voltage Range
0 to 10 VDC
Load Current
0 to 10 mA
Voltage Resolution (12-bit)
0.002 VDC
Non-Repeatability (estimate)
+0.02 VDC maximum
Voltage Tolerance
+0.20 VDC maximum
Thermal Tolerance
+0.018% per degree C (+0.032% per degree F) maximum
Long Term Drift
+0.7% per year maximum
Time Constant
One second
Transient Protection
Isolated from 24 VAC, BOs, and N2 Bus;
Common Mode Capacitors
Binary Outputs
(AP-VMA1420 and VMA1430)
Voltage Range
20 to 30 VAC
Load Current
25 to 500 mA
Time Constant
50 ms
Transient Protection
Isolated from AI, BI, AO, ZBus, +15 VDC, and N2 Bus;
Normal Mode Capacitors
Stepper Motor Actuator Output
Rated Running Torque
4 N
.
m (35 lb
.
in) minimum
Unpowered Holding Torque
5.1 N
.
m (45 lb
.
in) minimum
Stall Torque
10.3 N
.
m (90 lb
.
in) maximum
Stroke
93 degrees maximum
Angular Velocity
3 degrees per second nominal
Full Stroke Life
150,000 cycles minimum
Reposition Stroke Life
2,500,000 cycles minimum
Reposition Tolerance
+1 degree maximum
Thermal Tolerance
Zero, due to digital feedback
Long Term Drift per Year
Zero, due to digital feedback
Acoustic Noise
35 dB
A
at one meter maximum
* Can be corrected using the Autocalibrate function.
Note: All specifications are for the VMA controller, DPT sensor, and internal actuator only, when measured
at the midpoint of each range within 90 days of calibration at room temperature (approximately 70°F).
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