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DC Input, Field Configurable Limit Alarm - Q106

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The ActionI/Q model Q106 is a DIN rail mount, DC voltage or current input limit alarm with dual setpoints and two contact closure outputs. The field configurable input and alarm functions offer flexible setpoint capability. Input voltage spans from 10mV to 200V and input current spans from 1mA to 100mA can be field configured. Bipolar inputs are also accepted.

Thanks to Action Instruments TouchCAL Technology, the Q106 is configurable as a single or dual setpoint alarm, with HI or LO trips and failsafe or non-failsafe operation. Also included are adjustable deadbands (up to 100% of full scale input) for each setpoint, a 24VDC voltage source (isolated from line power) for transducer excitation, and a universal AC power supply which accepts any voltage between 85 and 265VAC.

TOUCHCAL TECHNOLOGY

Advances in microprocessor technology enable Action to simplify setpoint calibration. Using a push-button instead of potentiometers, improvements in calibration resolution and reliability are realized due to the elimination of the potentiometers’ mechanical variability.

For calibration, the user simply inputs the signal level of the desired trip, pressing the push-button to store it in non-volatile memory. The deadband, or hysteresis level, is entered next with another pushbutton press to store.

DIAGNOSTIC LEDS

The Q106 is equipped with three front panel LEDs. The green LED is a dual function LED labeled IN. This LED indicates line power and input signal status. Active AC power is indicated by the illuminated LED. If this LED is off, check AC power and wiring connections. If the input signal is 7% above or below the configured input range the green LED will flash at 8Hz or 4Hz, respectively.

Two red LEDs indicate the relay state for each setpoint. An illuminated red LED indicates the tripped condition. 

OUTPUT

The Q106 is equipped with two SPDT (form C) relays, rated at 120VAC or 28VDC at 5 amperes. Each of these relays is independently controlled by the field configurable setpoint and deadband.

Q106

FEATURES:

  • Easy Field Configurable Input Ranges

  • TouchCALTM Technology for Easy Setpoint Calibration

  • Adjustable Setpoints Programmable HI or LO and Failsafe or Non- Failsafe

  • High Density DIN Rail Mounting

  • Universal AC Power 85 to 265 VAC

  • 24VDC Transducer Excitation

  • SnapLocTM, Plug-in Terminals for Low MTTR

  • ASIC Technology for High Reliability

MORE INFO:

  • Diagnostic LEDS

  • Relay Protection

  • Dynamic Deadband

  • Specifications

q106 1
OPERATION

The field configurable Q106 limit alarm setpoints can be configured for HI or LO, failsafe or nonfailsafe 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 the process falls below the HI deadband or rises above the low deadband (see Figure 1). For proper deadband operation, the HI setpoint must always be set above the LO setpoint. In failsafe operation, the relay is energized when the process is below the HI setpoint or above the LO setpoint (opposite for non-failsafe). In the failsafe mode, a power failure results in an alarm state output.

CALIBRATION

 

  1. After configuring the DIP switches, connect the input to a calibrated DC source and apply power. Refer to the terminal wiring in the specifications section.
  2. Starting Calibration: After applying power to the unit all three LEDs will flash for approximately 10 seconds. Next, adjust the input signal level for Relay “A” setpoint, the green LED should be on. Press the CAL button and hold for four seconds (until the red LED starts flashing) to enter the calibration mode. The green LED should be on and the red Relay “A” LED should now be flashing. flashing.
  3. Setpoint "A": Input the desired trip level for Relay "A", if not already done, and push the CAL button. The green LED and the red Relay "A" LED should be flashing. Note, The green LED will stop flashing when the input drops below a high setpoint or rises above an low setpoint.
  4. Deadband "A": For minimum deadband (0.25% approx.), press and hold the CAL button for 4 seconds. For high setpoints lower the input level to the desired deadband point and push the CAL button. For low setpoints increase the input level (green LED turns off) to the desired deadband level and push the CAL button. The green LED should be on and the red Relay "B" LED should be flashing.
  5. Setpoint “B”: Input the desired trip level for Relay “B”, and push the CAL button. The green and the red Relay “B” LED should be flashing. Note, the green LED will stop flashing when the input drops below a high setpoint or rises above a low setpoint.
  6. Deadband “B”: For minimum deadband (0.25% approx.), press and hold the CAL button for 4 seconds. For high setpoints lower the input level (green LED turns off) to the desired deadband point and push the CAL button. For low setpoints increase the input level to the desired deadband level and push the CAL button. The green LED should be on and both the red LEDs should be flashing.
  7. Press the CAL button one final time to exit the calibration mode. Check the setpoint and deadband to validate calibration.ployed by a growing number of advanced users. Additionally, the efficiency advantages of PC based range programming can also be realized.
RELAY PROTECTION AND EMI SUPPRESSION

When switching inductive loads, maximum relay life and transient EMI suppression is achieved using external protection (see Figures 2 and 3). Place all protection devices directly across the load and minimize all lead lengths. For AC inductive loads, place a properly rated MOV across the load in parallel with a series RC snubber. Use a 0.01 to 0.1mF pulse film capacitor (foil polypropylene recommended) of sufficient voltage, and a 47W, 1/2W carbon resistor. For DC inductive loads, place a diode across the load (PRV > DC supply, 1N4006 recommended) with (+) to cathode and (-) to anode (the RC snubber is an optional enhancement).

 

q106 2,3
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DYNAMIC DEADBAND

LSI circuitry in the Q106 prevents false trips by repeatedly sampling the input. The input must remain beyond the setpoint for 100 milliseconds, uninterrupted, 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” —based on time— in addition to the normal deadband.

CONFIGURATION

Unless otherwise specified, the factory presets the Model Q106 as follows:

 

Input: Current
Range: 0-20mA
Output: Dual, SPDT
Trip: A:HI, B:LO
Failsafe: No
Deadband: A, B: 0.25%

 

The AC power input accepts any AC source between 85 and 265VAC.

Note: An I/QRail is required to power the modules. A two position rail is provided. See ordering information.

 

WARNING: Do not attempt to change any switch settings with power applied. Severe damage will result!

 

  1. With the module removed from the rail and not powered, snap off the face plate by lifting the right edge away from the heat sink. Note the input switch (SW1) is located under the face plate. Set positions 9 & 10 for voltage or current input (see Table1).
  2. Set positions 1 through 4 of input range switch “SW1” for the desired input range (see Table 1).
  3. Set position 5 of input range switch “SW1” to ON (closed) for unipolar (e.g. zero based, 0-20mA) range or OFF (open) for bipolar (e.g. -100% offset, -20 to 20mA) range (see Figure 4).
  4. Set positions 6 and 7 of input range switch “SW1” to ON for a HI trip setpoint or OFF for a LO trip setpoint (see Figure 4).
  5. Set position 8 of input range switch “SW1” to ON for non-failsafe operation or OFF for failsafe operation (e.g. alarm trips upon power failure).
q106 4

Input  

     

Voltage Input 

  • Range: 10mV to +200V

  • Impedance: >100KW

  • Overvoltage: 200V rms, max.

 

Current Input 

Range: 1mA to +100mA

Impedance: 20W, typical

Overcurrent: 170mA rms, max.

Overvoltage: 60VDC (protected by self resetting fuse)

 

Common Mode (Input to Ground):   1800VDC, max.

 

LED Indicators 

Input Range (Green):  

  • >110% input: 8Hz flash

  • <10% input: 4Hz flash

  • Setpoint (Red): Tripped: Solid red, Safe: Off

 

Limit Differentials (Deadbands)     

  • >50mV/5mA:0.25% to 100% of span

  • <50mV/5mA:1% to 100% of span

 

Response Time  Dynamic Deadband:  

Relay status will change when proper setpoint/process condition exists for 100msec.

 

Normal Mode (analog filtering):

<250mSec, (10-90%)

 

Setpoints  Effectivity:  

Setpoints are adjustable over 100% of the selected input span.

 

Repeatability (constant temp.):    

  • >50mV/5mA: 0.1% of full scale

  • <50mV/5mA: 0.2% of full scale

 

Stability  Temperature:  

+0.05% of full scale/°C, max.

 

Excitation Voltage   

24VDC, 20mA, maximum

CMRR     

DC to 60Hz: 120dB

 

Isolation     

1800VDC between contacts, input and power

 

ESD & Transient Susceptibility   

Meets IEC 801-2, Level 3 (8KV)

 

Humidity (Non-Condensing)     

  • Operating: 15 to 95% (@45°C)

  • Soak:90% for 24hours (@65°C)

 

Temperature Range     

  • Operating: 0 to 55°C (32 to 131°F)

  • Storage: -25 to 70°C (-13 to 158°F)

 

Power   

2.5W max.,100 to 240VAC +10%, 50Hz -400Hz

 

Relay Contacts     

  • 2 SPDT (2 form C) Relays

  • 1 Relay per setpoint

 

Current Rating (resistive)  

  • 120VAC: 5A

  • 240VAC: 2A

 

28VDC: 5A   

  • Material: Gold flash over silver alloy Electrical Life:10^5 operations at rated load

    • Note: External relay contact protection is required for use with inductive loads (see Figures 2 & 3).

  • Mechanical Life: 10^7 operations

 

Wire Terminations   

Screw terminations for 12-22 AWG

 

Weight     

0.56lbs.

 

Agency Approvals   

  • CSA certified per standard C22.2 (File No LR42272)

  • UL recognized per standard UL508 (File No E99775)

  • CE EN61326, EN61010-1

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