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AC Powered AC Input DIN Rail Signal Conditioner

DRI-AC

DIN Rail Signal Conditioner | AC Powered AC Input | DRI-AC
New

DIN Rail Signal Conditioner | AC Powered AC Input

$395.00 DRI-AC

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1 year warranty CE
  • Provides an Isolated DC Output in Proportion to an AC Input
  • Eliminates Ground Loops
  • Field Configurable Input/Output Ranges
  • Touch Calibration Technology
  • Universal AC Power 85 to 265 Vac
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Description

The DRI-AC is a DIN rail mount, AC input signal conditioner with 1800 Vdc isolation between input, output and power. The field configurable input and output offers flexible, wide ranging capability for scaling, converting or buffering AC inputs ranging from 5 mA to 100 mA AC or 50 mV to 300 Vac.

For current inputs above 100 mA, it is recommended that an input shunt resistor be used and the DRI-AC be configured for the proper input range. For example, a 5A current transformer output can use a 0.1 O, 5 W shunt resistor with the input of the DRI-AC set for 0 to 500 mV AC.

The DC output of the DRI-AC is proportional to the average of the fully-rectified AC input signal, and is calibrated for sine waves between 40 to 400 Hz.

The DRI-AC utilizes Touch Calibration technology which greatly simplifies calibration. The thermal drift and mechanical variability of the potentiometers has been removed and replaced with a digitally stable circuit. Once the unit is configured via DIP switches for voltage or current, the pushbutton is used to precisely calibrate the minimum and maximum levels.

To set the input level within the dip switch configured range, simply apply the high input signal (voltage or current) and push the CAL button. The low input signal is then applied and pushing the CAL button again stores the low input signal. The high and low input levels are stored in nonvolatile memory and correspond to the high and low output levels. These output levels are precisely adjusted using the input signal.

Touch Calibration technology enables precise calibration and provides more than 90% offset of the zero value and adjustment down to 10% of the full scale input span for most of the 16 switch selectable input ranges. For example, the dip-switch configured 0 to 200V input range could be calibrated via pushbutton for 0 to 80V (i.e. 60% span reduction) or offset to a range of 120 to 200V (i.e. 60% offset and 60% span reduction). If the output was configured for 0 to 10V, then 120 to 200V input would correspond to the 0 to 10V full scale output. Input ranges such as 180 to 200V or 0 to 20V are possible using the 0 to 200V range.

Advanced digital technology combined with ASIC technology allows the DRI-AC to be field configured for virtually any AC input to DC output within the limits specified.

The output of the DRI-AC can drive a digital meter for direct display or can interface with alarm or control devices including PLCs and computers.

The DRI-AC has three diagnostic LEDs. The green (RUN) LED is used for diagnostics to indicate that power is on. It will flash quickly if the input signal is above the calibrated range or slowly if the input signal is below range. It is on continuously when the unit is functioning within the calibrated range. The yellow (INPUT) LED is on while calibrating the input level. The red (OUTPUT) LED is on while calibrating the output level.

The DRI-AC can be configured for input ranges from 50 mV to 300V or 5 mA to 100 mA, with >90% input offset or it will adjust down to <10% of full scale input span (except on the 100 mV/10 mA range in which maximum offset or gain adjustment is 50%).

The factory default configuration for the DRI-AC is as follows:
Input Range: 0 to 500 mV
Calibrated Output: 4 to 20 mA

Specifications
INPUT
AC Voltage:
    Ranges: 100 mV, 200 mV, 500 mV, 1 V, 2 V, 5 V, 10 V, 20 V, 50 V, 100 V, 200 V, 300 V (dip-switch selectable)
    Impedance: >100 kΩ
    Overvoltage: 330 Vac
AC Current:
    Ranges: 10 mA, 20 mA, 50 mA, 100 mA (dip-switch selectable)
    Impedance: 20 Ω, typical
    Overcurrent: 170 mA AC
    Overvoltage: 60 V peak
Frequency Range: 40 to 400 Hz, factory calibrated at 60 Hz
Common Mode (Input to Ground): 1800 Vdc max
Pushbutton Adjustment: Max zero offset and span turn down is 50%

OUTPUT
Voltage Output:
    Range: 0 to 5V, 0 to 10V (dip-switch selectable)
    Source Impedance: <10 Ω
    Drive: 10 mA max (1 kΩ min @ 10V)
Current Output:
    Range: 0 to 1 mA, 0 to 20 mA, 4 to 20 mA (dip-switch selectable)
    Source Impedance: >100 kΩ
Compliance:
    0 to 1 mA: 7.5V max (7.5 kΩ max)
    0 to 20 mA: 12V max (600 Ω max)
    4 to 20 mA: 12V max (600 Ω max)
LED Indication:
    RUN (Green): On when unit is powered; flashes at 8 Hz when input is 7% above max
    INPUT (Yellow): On while calibrating the input level
    OUTPUT (Red): On while calibrating the output level
Accuracy (Including Linearity & Hysteresis): ±0.1% of span typical, ±0.2% max; ±0.5% of span max (100 mV range)
Temperature Stability: ±0.025%/°C of selected input span, typical
Response Time (10 to 90%): 250 msec, typical
Common Mode Rejection (DC to 60 Hz): 90 dB
Isolation: 1800 Vdc between input, output and power
Operating Temperature: 0 to 55°C (32 to 131°F)
Storage Temperature: -25 to 70°C (-13 to 158°F)
Humidity (Non-Condensing):
    Operating: 15 to 95% RH @ 45°C (113°F)
    Soak: 90% RH for 24 hours @ 65°C (149°F)
Power: 100 to 240 Vac ±10%, 50 to 400 Hz; 1.5 W typical, 2.5 W max
Wire Terminations: Screw terminals for 12 to 22 AWG wire
Weight: 218 g (0.48 lb)
Place Order(Specify Model Number)
Part Number/ Desc.
Qty
Description
DRI-AC Star
$395.00
Available In 8 Weeks
 
AC powered AC input DIN rail signal conditioner
Accessories
ACPB-2 Star
$32.00
1 In Stock
 
AC power distribution bus for 2 modules
ACPB-4 Star
$82.00
1 In Stock
 
AC power distribution bus for 4 modules
ACPB-8 Star
$112.00
2 In Stock
 
AC power distribution bus for 8 modules
All amounts shown in USD
Note: An ACPB power rail is required to power the modules and is ordered separately.
Ordering Example: (1) ACPB-2 AC power distribution bus for 2 modules, $32.00  plus (1) DRI-AC AC powered AC input DIN rail signal conditioner, $395.00, $32.00 + 395.00 = $427.00
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