Description
- AC/DC trip amplifier
- 2 adjustable alarm limits
- Galvanically isolated 3.75 kVAC
- Front-programmable
- 3-digit LED display
- 24 VDC or universal supply
- The front-operated push buttons are used for programming the different standard functions.
- A password can prevent access for changing parameters.
- 3-digit display showing the input signal in %.
- Two LED indicating relay status.
- 3 pushbuttons for programming.
- Standard DC current input signals in the range 0...20 mA.
- DC voltage signals in the range 0...250 VDC.
- AC current signals up to 1 A.
- True RMS measurement of AC voltage signals in the range 0...250 VAC.
- Mounting for a standard 11-pole socket which can be adapted for DIN rail or plate use with PR’s 7023 adaptor and 7024 mounting keying.
Configure
Specifications
Specifications
Brand
Accuracy
- Better than 0.1 % of Selected Range
Approvals & Certifications
- CE
- DNV GL
- EAC TR CU 020/2011
- IEC 61140
Consumption
- 1.5 W (2231D)
- 2 W (2231P)
- 500 VA - Max.
Dimensions
- 3.17” x 1.40” x 3.33” {80.5 x 35.5 x 84.5 mm (H x W x D)} - D is without Pins
Display
- 3-Digit LED Display
Environmental Protection
- IP50
Humidity
- < 95 % Relative Humidity
Hysteresis
- 0 to 99.9 % of Span
Input
- 0-1 Arms - AC Current Input
- 0-20 mA
- 0 to 250 Vdc
- 0 to 250 Vrms to AC Voltage Input
Isolation
- 3.75 kVac at 250 Vac - Test/Working
Linearization
- < ± 0.35 % of Span at 50 to 1000 Hz (AC Sine Wave Signals) - Linearity Error
- < 0.1 % of Span - Linearity Error
Mounting
- DIN Rail Mounting
Programming
- 3 Push Buttons
Relay Output
- 2 A AC
- 250 Vrms
Resistance
- 1 ohm at 2 W for AC Current Input - Input Resistance
- 50 ohms - Input Resistance
- Nominal 5 megaohms for Voltage Input & AC Voltage Input - Input Resistance
Resolution
- 16-bit - Signal Dynamics, Input
Response Time
- 0.25 to 60 seconds (DC)
- 0.75 to 60 seconds (AC)
Supply Voltage
- 19.2-28.8 Vdc
- 19.2-300 Vdc Universal
- 21.6-253 Vac, 50/60 Hz - Universal
Temperature Effect
- < ± 0.01 % of Span/°C (DC Signals) - Temperature Coefficient
- < ± 0.02 % of Span/°C (AC Signals) - Temperature Coefficient
Temperature Range
- 20° to 28° C (68° to 82.4° F) - Calibration Temperature
- -20° to 60° C (-4° to 140° F)
Update Time
- 100 milliseconds
Applications
Applications
- Alarm detector in connection with measurement of AC/DC current or voltage signals.
- The unit is used where accurate setpoint setting and different alarm functions are required.
- The unit can be used as a single or dual trip amplifier.
- Used in applications where programmable parameters such as hysteresis, setpoint, reset, active relay for increasing or decreasing signal, delay and input signal need to be set.