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TWI-FRX-TB Two-Wire Isolated Frequency Transmitter
Brand: Pribusin, IncThe TWI-FRX-TB is an isolated two wire frequency transmitter that provides high isolation from the frequency input to the 4-20 mA output. The small package and its DIN rail mount make it easy for the TWI-FRX-TB to be incorporated into larger control panels.
Seven standard frequency input ranges are available to choose from that cover frequencies as low as 70 Hz up to 8KHz. The Input can be either 0-100 VAC, 0- 5VDC (TTL), or an optical coupler input. An adjustable threshold allows a lower threshold to be set for background noise immunity.
Features- High Input-Output-Power Isolation (800VAC Test)
- Small Size - Fits on Terminal Block Rail
- Industry Standard 4-20 mA Output (2- or 3-Wire Connection)
- Three Input Types Available (0-100VAC, TTL, Optical Coupler)
- Adjustable Input Threshold
- Wide Operating Range (8 to 60 VDC)
- High Noise Rejection
- CSA and NRTL Approved (LR 51078)
Specifications
Brand
Accuracy, Linearity
- ± 0.25 % Max., ± 0.1 % Typical
Input Impedance
- 10K ohm for All Input Ranges
Isolation
- 800 Vac Input to Output (Test)
Line Effects
- 0.03 % Per 10 Vdc Line Change
Operating Temperature
- -20° to + 40° C
Output
- 4-20 mA
Power Requirement
- 8 to 60 Vdc
Response Time
- 250 ms to 63 % of Final Value, 900 ms to 99 % of Final Value
Temperature Effects
- ± 0.025 % Typical
Threshhold
- Adjustable from 50 mVac to 10 Vac (For 0-100 Vac Input)