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Datasheet
SC-PTA2
Digital Pulse Input to 0-10VDC Output Only
Overview
A timed contact or solid state closure from the
controlling microprocessor controller is converted to a linear analog output with 255 steps of
resolution. The SC-PTA2 has a jumper selectable manual override which will allow modulation
of the output between 0-10VDC to verify proper
operation of the controlled device.
Product Specifications
Supply Voltage—————————————————————————————————— 24 VAC or 24 VDC +/- 10%, 50/60 Hz
Supply Current————————————————————————————————————————————————— 135 mA maximum
Power Consumption————————————————————————————————————————————————————— 3.24W
Input Signal Source———————————————————————————— Relay contact closure, transistor, or TRIAC
12-24VAC/VDC signal trigger level or dry contact to common,
1 millisecond minimum between “ON” pulses Select at J2
Input Trigger Level:
⎕⎕ Normal Mode—————————————————————————————————————————————— 5 to 26.4VDC / VAC
⎕⎕ TRIAC Mode——————————————————————————————————————————————————— 9 to 26.4 VAC
⎕⎕ Using Rectified DC Power Output————————————————————————————————————— 21 to 37VDC
Input Impedance:
⎕⎕ VAC—————————————————————————————————————————————————————— 900 ohms nominal
⎕⎕ VDC————————————————————————————————————————————————————— 1500 ohms nominal
Ranges:
⎕⎕ Version #1—————————————————————————————————————————————————— 0.02 to 5 seconds
0.1 to 10 seconds
0.59 to 2.93 seconds
0.1 to 25.5 seconds
⎕⎕ Version #2—————————————————————————————————————— 0 to 10 seconds Duty Cycle Pulse
0.023 to 6 seconds
Output Voltage————————————————————————————————————————————————————— 0 to 10 VDC
Output Impedance—————————————————————————————————————————————— 400 ohms minimum
Accuracy—————————————————————————————————————————————————————————————— +/- 5%
Rectified DC Power Output———————————————————————————— 21-37 VDC (for Input Trigger only),
——————————————————————————————————— Range dependant on if AC or DC power is supplied
Operating Temperature————————————————————————— 0 to 48.9 degrees C (32 to 120 degrees F)
Operating Humidity——————————————————————————————————————— 5% to 95% non-condensing
Dimensions—————————————————————————————————————————————— 2.20” L × 2.25” W × 1.0” H
Parts
SC-PTA—————————— 0.2 to 5 seconds, 0 to 10 seconds, 0.59 to 2.93 seconds, 0.1 to 25.5 seconds
SC-PTA Version 2———————————————————————— 0 to 10 seconds Duty Cycle in 10 second window
0 to 25.5 seconds Duty Cycle in 25.5 second window
0.023 to 6 seconds
Specifications subject to change without notice.
Distech Controls, and the Distech Controls logo are trademarks of Distech Controls Inc. All other trademarks are property of their respective owner.
©, Distech Controls Inc., 2015. All rights reserved.
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