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Field Configurable Limit Alarm Modules

$365.04

Item# DRG-AR-AC

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-4 $365.04
5-9 $346.79
10-24 $339.49
25-49 $324.89
50-99 $317.58
100+ $310.28

In stock

Lead Time ( If not in Stock): 4 weeks

Field Configurable Limit Alarm Modules DRG-AR-AC DRG-AR-AC
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  • Models Available for Thermocouples, RTDs, DC and AC Voltage and Current
  • Easy Field Configurable Ranges
  • Adjustable Setpoints Programmable HI or LO and Failsafe or Non-Failsafe

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Number of Inputs
Input Type
Input Ranges
Number of Output
Output Type
Response Time/Frequency
Form Factor
Display Type
Accuracy Rating
Supply Voltage Type
Supply Voltage
Other Features

Product Specs

  • Accuracy Value ±0.2% of full scale
  • Form Factor DIN Rail
  • Maximum Ambient Temperature 55 {C} (131 {F})
  • Minimum Ambient Temperature 0 {C} (32 {F})
  • Maximum Storage Temperature 70 {C} (158 {F})
  • Minimum Storage Temperature -25 {C} (-13 {F})
  • Form Factor DIN Rail
  • Accuracy Value ±0.2% of full scale
  • Maximum Storage Temperature 70 {C} (158 {F})
  • Maximum Ambient Temperature 55 {C} (131 {F})
  • Minimum Ambient Temperature 0 {C} (32 {F})
  • Minimum Storage Temperature -25 {C} (-13 {F})

The DRG-AR Series modules are a family of DIN rail mount limit alarms with dual setpoints and two contact closure outputs. The field configurable input and alarm functions offer flexible setpoint capability. Modules are available for a variety of input types including thermocouples, RTDs, DC and AC current and voltages.

Each module can be set to a number of input ranges via an input selector switch. The alarm points and dead band are adjusted by potentiometers.

Diagnostic LEDs
All modules are equipped with 3 front panel LEDs. The first is a dual function LED labeled input. This green LED indicates line power and input signal status. Two red LEDs indicate the relay state for each setpoint. An illuminated red LED indicates the tripped condition.

Output
The DRG-AR Series modules are equipped with two SPDT relays, rated at 120 Vac or 28 Vdc at 5 amperes. Each of these relays is independently controlled by the field configurable setpoint and deadband.

Operation
The field configurable limit alarm setpoints can be configured for HI or LO, failsafe or non-failsafe operation. Each of the setpoints has a respective HI or LO deadband. In a tripped condition, the setpoint is exceeded and the appropriate red LED will illuminate. The trip will reset only when the process falls below the HI deadband or rises above the low deadband. In failsafe operation, the relay is energized when the process is below the HI setpoint or above the LO setpoint (opposite for non-fail-safe). In the fail-safe mode, a power failure results in an alarm state output.

Dynamic DeadBand
LSI circuitry in the DRG-AR Series prevents false trips by repeatedly sampling the input. The input must remain beyond the setpoint for 100 milliseconds to qualify as a valid trip condition. Likewise, the input must fall outside the deadband and remain there for 100 milliseconds to return the alarm to an untripped condition. This, effectively, results in a dynamic deadband.



DRG-AR-AC AC Voltage or Current Input Limit Alarm
The DRG-AR-AC is a DIN rail mount, AC voltage or AC current input limit alarm with dual setpoints and two contact closure outputs. Input voltage spans from 100 mVac to 200 Vac and input current spans from 10 mAAC to 100 mAAC can be field configured. For current spans of 1 to 5 Amps a 0.1. (5 W) shunt resistor (Model# DRG-C006) is available.

Specifications
Input Ranges
Voltage: 100 mVAC, 200 mVac, 500 mVac, 1 Vac, 2 Vac, 5 Vac, 10 Vac, 20 Vac, 50 Vac, 100 Vac, 200 Vac
Current: 10 mAAC, 20 mAAC, 50 mAAC, 100 mAAC

DRG-AR-RTD Input Limit Alarm
The DRG-AR-RTD is a DIN rail mount, RTD input limit alarm with dual setpoints and two contact closure outputs. The module features up to 8 temperature ranges for each RTD type.

Input Ranges
RTD Type Temperature Ranges (°C)
Pt100, 500, 1000 0 to 50, -50 to 50, 0 to 100, -100 to 100, (a = 0.00385), 0 to 250, -200 to 250, 0 to 550, 0 to 850
Cu10 25 to 70, -30 to 70, 25 to 120, -70 to 120, 25 to 260, -200 to 260
Cu100 25 to 75, -25 to 75, 25 to 150, -100 to 150, 25 to 260, -200 to 260
Ni120 -30 to 30, -80 to 30, -30 to 100, -30 to 200, -30 to 320
NiFe604 -40 to 0, -40 to 50, -200 to 50, -200 to 100, -200 to 240


DRG-AR-TC Thermocouple Input Limit Alarm
The DRG-AR-TC is a DIN rail mount, thermocouple input limit alarm with dual setpoints and two contact closure outputs. The module features up to six temperature ranges for each thermocouple type to ensure accuracy and maximize setpoint resolution. A bipolar switch is provided for temperature ranges below 0°C. The DRG-AR-TC is configurable as a single or dual setpoint alarm, with HI or LO trips, upscale or downscale burnout detection and failsafe or non-failsafe operation.

Input Ranges
T/C Temperature Ranges (°C)
B 0 to1490, 0 to 1820
E 0 to 150, 0 to 290, 0 to 660, 0 to 1000, -270 to 150, -270 to 290
J 0 to 190, 0 to 350, 0 to 760, -210 to 190, -210 to 350
K 0 to 250, 0 to 480, 0 to 1280, 0 to 1372, -270 to 250, -270 to 480
R 0 to 970, 0 to 1690, 0 to 1760
S 0 to 1050, 0 to 1750
T 0 to 210, 0 to 390, -270 to 210, -270 to 390


DRG-AR-DC DC Voltage and Current Input Limit Alarm
The DRG-AR-DC is a DIN rail mount, DC voltage and DC current input limit alarm with dual setpoints and two contact closure outputs. Input voltage spans from 10 mV to 200 V and input current spans from 1 mA to 100 mA can be field configured. Bipolar inputs are also accepted. The module also features 24 Vdc voltage source (isolated from line power) for transducer excitation.

Specifications
Input Ranges (Unipolar & Bipolar)
Voltage: 10 mV, 20 mV, 50 mV, 100 mV, 200 mV, 500 mV, 1 V,2 V, 5 V, 10 V, 20 V, 50 V, 100 V, 200 V
Current: 1 mA, 2 mA, 5 mA, 10 mA, 20 mA, 50 mA, 100 mA

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