ACI PTA2 VERSION #2 : Pulse Width Modulation Input 0 to 10.0s, 0-25.5s, 0-100s, 0.023 to 6.0s, 0-10 VDC Analog Output, 2-Year Warranty
The PTA2 converts a timed contact or solid-state signal from a microprocessor controller into a smooth analog output with 255 resolution steps. It prevents reset in case of a long pulse. There are seven selectable input pulse rates (available in Versions 1 and 2). The optically isolated input accepts both positive and negative signals, with an optional triac adapter (selectable via jumper) for triac inputs. A jumper also enables manual override, allowing the output to be adjusted between 0-10 VDC to check device operation. In Version 1, the last output holds until the next pulse is received.
Applications include:
- Pulse to analog conversion
- Variable speed pump and fan control
- Electric actuator interfacing
- Duty cycle to analog control
- Digital to analog conversion
Specifications
| Supply Voltage: | 24 VAC or 24 VDC +/-10%, 50/60 Hz |
| Supply Current: | 135 mA maximum |
| Input Pulse Source: | Relay Contact Closure, Transistor, Triac, or Dry Contact to Common |
| Input Pulse Trigger Level: | Normal Mode = 5 to 26.4 VAC/DC | Triac Mode = 9 to 26.4VAC Using Rectified DC Power Output: 21-37 VDC |
| Input Pulse Timing: | 0 to 10.0s, 0-25.5s, 0-100s, 0.023 to 6.0s |
| Voltage Output Signal (@ Impedance): | 0-10 VDC @ 400Ω minimum |
| Output Voltage Signal Adjustable Range: | 0-20 VDC (with adjustable offset) |
| Output Resolution: | 255 steps of resolution |
| Accuracy : | +/- 5% |
| Connections: | 90° Pluggable Screw Terminal Blocks |
| Wire Size: | 16 (1.31 mm2) to 26 AWG (0.129 mm2) |
| Terminal Block Torque Rating: | 0.5 Nm (Minimum); 0.6 Nm (Maximum) |
| Operating Temperature Range: | 35 to 120°F (1.7 to 48.9°C) |
| Operating Humidity Range: | 10 to 95% non-condensing |
| Storage Temperature: | -20 to 150°F (-28.9 to 65.5°C) |
| Agency Approvals: | RoHS2, WEEE |
Data Sheets
- Input Signal:
- Pulse
- Output Signal:
- Analog
- Guage:
- No Gauge
- Failsafe:
- No Failsafe
- Valves:
- None
