This article is about general and technical requirements for Transducer used in Integrated Automation System or Building Automation System.
TRANSDUCERS TECHNICAL REQUIREMENTS FOR INTEGRATES AUTOMATION SYSTEM
TRANSDUCERS <Modify as required to match project design>
- Standard Capacity Electronic-to-Pneumatic (E-P) Transducers: E-P transducers shall be Voltage-to-Pneumatic (V-P) type, Current-to-Pneumatic (I-P) type:
- Electrical Power Supply: 24 VAC or 24 VDC
- Pneumatic Air Supply: 30 psig (2.07 bar) maximum
- Air Capacity: 1100 scim @ 20 psig (300 cm3/sec @ 1.4 bar)
- Air Consumption: Zero at steady state
- Output Span: 0-20 psig (0-1.4 bar)
- Input: 4-20 mA, 0-5 VDC, 1-5 VDC, 0-10 VDC, 2-10 VDC, 0-15 VDC, or 3-15 VDC input
- Gauges: Provide with main and branch air gauges
- Enclosure: Polymer designed for surface or panel mount
- Air Connections: ¼ inch (6.35 mm) barbed
- Failure Mode on Power Loss: Non-failsafe transducers shall have no output air loss. Failsafe transducers shall exhaust output upon power loss.
- Acceptable Manufacturers: <Confirm list>
- Honeywell RE Technologies Model UCP-522
- BEC Controls Corp
- Approved equal
- RE Technologies Model UCP-52 Electronic-to-Pneumatic (E-P) Transducers: E-P transducers shall be Voltage-to-Pneumatic (V-P) type, Current-to-Pneumatic (I-P) type, Phase cut Type:
- Electrical Power Supply: 24 VAC or 24 VDC, 100 mA
- Accuracy: +/- 1 percent
- Feedback: Branch pressure feedback from an on board pressure sensor – VDC Feedback
- Override: Manual Potentiometer
- Pneumatic Air Supply: 25-30 psig (2.07 bar) maximum
- Air Capacity: .5 scim @ 20 psig (300 cm3/sec @ 1.4 bar)
- Air Consumption: None
- Output Span: 3-15 psig factory set field adjustable
- Input: 4-20 mA, 0-5 VDC, 0-10 VDC, 2-10 VDC, 0-18 VDC, 0-20V Phase Cut input
- Gauges: Provide with main and branch air gauges
- Enclosure: NEMA 1
- Air Connections: ¼ inch (6.35 mm) barbed brass
- Failure Mode on Power Loss: Non-failsafe transducers shall have no output air loss. Failsafe transducers shall exhaust output upon power loss.
- Acceptable Manufacturers: <Confirm list>
-
- Honeywell
- TRIATEK CP-3000
- Approved equal
-