In Vehicle Loop Detector Instruction Manual ULT-PLGTM Plug-In Vehicle Loop Detector Instruction Manual The ULT-PLG plug-in style vehicle…
The ULT-MVP vehicle loop detector allows for detection of metallic objects entering the field around an induction loop. This detector automatically adjusts from 12 VDC up to 240 VAC which eliminates the installer’s need to match available power to an appropriately rated vehicle detector. The ULTRAMETER™ display feature makes set-up easy by displaying the optimum sensitivity setting required to detect a vehicle positioned near the loop. Ten sensitivity settings allow for fine adjustment of the detection level. The ULT-MVP provides relay contact outputs indicating vehicle presence and a second set of relay contact outputs providing auxiliary functions. The second output can be used for loop fault or pulse on entry/pulse on exit, or the EMX exclusive feature, Detect-on-Stop™ (DOS®). The ULT-MVP features automatic sensitivity boost (ASB), delay, fail-safe/fail-secure and infinite or normal (5 minute) presence. Four frequency settings provide flexibility in preventing crosstalk in multi-loop applications.
Cautions and Warnings
This product is an accessory or part of a system. Install the ULT-MVP according to instructions from the gate or door operator manufacturer. Comply with all applicable codes and safety regulations.
| Power | 12-60 VDC or 12-240 VAC (48-62 Hz) |
| Operating Current (Standby/Detect) | 25 mA/50 mA |
| Loop Frequency | 4 settings (low, med-low, med-hi, high) |
| Loop Inductance | 20-2000 µH (Q factor ≥ 5) |
| Surge Protection | Loop circuitry protected by surge suppressors |
| Presence Relay | SPDT relay contacts (form C) |
| Output B Relay | SPDT relay contact (form C) |
| Contact Rating (Resistive Load) | 2 A @ 30 VDC, 0.5 A @ 125 VAC |
| Operating Temperature | -40º to 82ºC (-40º to 180ºF) 0 to 95% relative humidity |
| Environmental Rating | IP30 |
| Connector | 11 pin male connector (JEDEC B11-88) compatible with DIN rail mount socket or wire harness |
| Dimensions (L x W x H) | 73 mm (2.9”) x 38 mm (1.2”) x 78 mm (3.1”) |
Ordering Information
| Description | US DIN Rail Socket (for ULT-MVP-U) | EU DIN Rail Socket (for ULT-MVP-E) | Harness Wire |
| Power (12-240 VDC/AC) | 1 | 1 | Black |
| Power (12-240 VDC/AC) | 2 | 2 | White |
| Output B – NO* (normally open contact) | 3 | 3 | Orange |
| Shield – Earth Ground | 4 | 9 | Green |
| Presence – COM* (common contact) | 5 | 6 | Yellow |
| Presence – NO* (normally open contact) | 6 | 5 | Blue |
| Loop Connection | 7 | 7 | Gray |
| Loop Connection | 8 | 8 | Brown |
| Output B – COM (common contact) | 9 | 4 | Red |
| Presence – NC* (normally closed contact) | 10 | 10 | Pink |
| Output B – NC** (normally closed contact) | 11 | 11 | Violet |
Contact rating: 2A @ 30 VDC, 0.5A @ 125 VAC
**Output B configurable for Pulse on Entry, Pulse on Exit, Detect-On-Stop™ or Loop Fault modes
Frequency Count / Reset Button
Press and release the frequency count button and count the number offlashes on the red LED. Each flash represents 10 kHz. Following a frequencycount cycle, the detector re initializes.
Sensitivity Setting
The 10-position rotary switch allows for adjustment of detection level.The sensitivity level increases from position 0 (lowest setting) through9 (highest setting). Typical applications require a setting of 3 or 4.The rotary adjustment must be set to a specific/whole number. There are no half settings.
Detect / Frequency Count (Red LED)
| Presence Detected | on |
| No Presence | off |
| Frequency Count | flashing |
Power / Loop Fault Indicator (Green LED)
| Normal Operation | on |
| Shorted or Open Loop | fast flash |
| Previous Loop Fault | flashes once intermittently |
Upon power up, the detector initializes by automatically tuning to the loop. The green LED indicates that the detector is powered and operational.
ULTRAMETERTM Display
The display shows the sensitivity setting required to detect a vehiclenear the loop. To use this feature, observe the display while a vehicleis moving into position near the loop, note the number displayed, then adjustthe sensitivity setting to the displayed position. The display will adjustfrom 9 for a weak signal to 0 for a very strong signal. During normal operation,when a vehicle is not on or near the loop, the display is blank. The effects ofcross-traffic interference can be observed on the display when thesensing area is vacant.
DIP Switch
The DIP switch settings are explained on the next page.
| Automatic Sensitivity Boost | DIP Switch 1 |
| ASB Enabled | on |
| ASB Disabled | off |
The Automatic Sensitivity Boost causes the sensitivity to increase following initial detection. This feature is useful to prevent dropout when detecting high-bed vehicles. The sensitivity returns to its normal setting after the vehicle exits the loop. The decimal point on the ULTRAMETERTM
display indicates ASB is on| Presence | DIP Switch 2 |
| Normal | on |
| Infinite | off |
Infinite presence mode causes the output to remain in detect as long as the vehicle remains on the loop. Normal presence mode causes the output to reset after 5 minutes. Do not use Normal presence mode for reversing loop applications.
| Delay | DIP Switch 3 |
| Delay On | on |
| Delay Off | off |
Turning on the delay setting provides a 2 second delay before activating the relay after the sensitivity threshold is met. Do not use the Delay mode in reversing loop applications.
| Output B | DIP Switch | |
| Mode | 4 | 5 |
| Pulse on Entry | on | on |
| Pulse on Exit | on | off |
| DOS® | off | on |
| Loop Fault | off | off |
The Output B relay is configurable for four possible modes. In Pulse on Entry/Exit mode, Output B will be activated for approximately 500ms when a vehicle is entering or exiting the detection zone. The Detect-On-Stop™ (DOS®) feature requires that a vehicle must come to a complete stop over the loop for a minimum of 1-2 seconds before Output B activates. Do not use DOS® feature for reversing loop applications. In Loop Fault mode, Output B will trigger if a loop fault occurs.
| Fail Safe / Secure | DIP Switch 6 |
| Fail Safe | on |
| Fail Secure | off |
The Fail Safe setting causes the ULT-MVP to activate the presence output in the event of a loop failure. The Fail Secure setting will cause the ULT-MVP not to activate the presence output in the event of a loop failure. Do not use Fail Secure for reversing loop applications.
| Frequency Settings | DIP Switch | |
| 7 | 8 | |
| Low | on | on |
| Medium Low | on | off |
| Medium High | off | on |
| High | off | off |
DIP switches 7 and 8 are used to assign the loop operation frequency. The primary purpose of the frequency setting is to allow the installer the ability to set different operating frequencies for multi-loop installations and is recommended to prevent crosstalk/interference from multiple loops.
NEW SLAB POUR
Ty-wrap 1-1/4” PVC pipe to the top of the rebar in the size and configuration of the loop (ex. 4’ x 8’). Then ty-wrap the loop to the top of the PVC frame. This stabilizes the loop during the pour and separates it from the rebar.
SAW CUT EXISTING SURFACE
Cut 1” deep into the existing surface, place a 45° cut at the corners to prevent sharp edges from damaging the loop wire. Notch out for the “T” connection where the lead wire connects to the loop. Remove all debris from the finished cut with compressed air. Place the loop into the saw cut. Place backer material into the saw cut over the loop wire and pack tightly. Place a high-quality sealer over the saw cut to seal the surface.
RESURFACE ASPHALT
Saw cut the existing surface ¾” deep and place a 45° cut at the corners to prevent sharp edges from damaging the loop wire. Remove all debris from the finished cut with compressed air. Place sand over the loop wire to the surface and pack tightly. Lay new asphalt.
GRAVEL OR SOIL INSTALLATION
While this is not a recommended installation for most loops, it has been used successfully with proper preparation. Remove gravel or top soil until reaching a stable base. Dig ~ 6-8” deep by ~ 6-8” wide. Fill halfway with sand and pack tightly. Place the loop into the trench and finish filling to level with sand. Pack tightly and replace gravel or soil over top.
GENERAL INSTALLATION GUIDELINES
| 1. Connect the 11 pin DIN rail socket or wire harness to the ULT-MVP and connect pins 1 and 2 (white and black wire) on the socket/harness to the appropriate power source. Pin 4 (green wire) must be connected to earth ground for effective surge protection. |
| 2. Connect the loop wires to pins 7 and 8 (gray and brown wire). |
| 3. Connect the operator wires to the socket/harness according to preferences and instructions provided by the operator manufacturer (see Wiring Connections). |
| 4. Configure the DIP switches according to preferences. Refer to Settings & Display for more information. |
| 5. If using multiple loops or suspect crosstalk/interference from the environment, perform a frequency count on each detector to confirm that the operation frequencies are different. · Press the FREQUENCY COUNT / RESET button and count the number of flashes of the red LED. Each flash represents 10kHZ. Counts from 3 to 13 confirm that the detector is tuned to a loop. · If multiple loops and detectors are utilizing the same or very similar frequency, configure DIP switches 7 and 8 on one of the devices. For example: Move one ULT-MVP to the low frequency setting and the second ULT-MVP to the high frequency setting. |
| 6. Press the FREQUENCY COUNT / RESET button to re-initialize the detector and program the DIP switch settings. |
| 7. Adjust the sensitivity setting to desired level to assure detection of all vehicle traffic. · To test the sensitivity, without moving the sensing loop, drive a vehicle near the loop. TIP: When the vehicle is first detected by the loop, “9” will be displayed on the ULTRAMETERTM display. Position the vehicle over the loop where the detection point is desired, take note of the number displayed on the ULTRAMETERTM and change the sensitivity setting (10-position rotary switch) to match that number. · Move the test vehicle away from the loop to remove it from the detection zone (ULTRAMETER™ display should be blank). · Press the FREQUENCY COUNT / RESET button on the ULT-MVP. · Retest the product by moving the vehicle into and out of the detection zone to make sure the setup and location are working as intended. |
| 8. Press the FREQUENCY COUNT BUTTON / RESET button to calibrate the ULT-MVP to the loop. |
| 1. Connect the 11 pin DIN rail socket or wire harness to the ULT-MVP and connect pins 1 and 2 (white and black wire) on the socket/harness to the appropriate power source. Pin 4 (green wire) must be connected to earth ground for effective surge protection. | ||||
| 2. Connect the loop wires to pins 7 and 8 (gray and brown wire). | ||||
| 3. Connect the operator wires to the socket/harness according to preferences and instructions provided by the operator manufacturer (see Wiring Connections). | ||||
| 4. Configure the DIP switches according to preferences. Refer to Settings & Display for more information. | ||||
| 5. If using multiple loops or suspect crosstalk/interference from the environment, perform a frequency count on each detector to confirm that the operation frequencies are different. · Press the FREQUENCY COUNT / RESET button and count the number of flashes of the red LED. Each flash represents 10kHZ. Counts from 3 to 13 confirm that the detector is tuned to a loop. · If multiple loops and detectors are utilizing the same or very similar frequency, configure DIP switches 7 and 8 on one of the devices. For example: Move one ULT-MVP to the low frequency setting and the second ULT-MVP to the high frequency setting. | ||||
| 6. Press the FREQUENCY COUNT / RESET button to re-initialize the detector and program the DIP switch settings. | ||||
| 7. Adjust the sensitivity setting to desired level to assure detection of all vehicle traffic. · To test the sensitivity, without moving the sensing loop, drive a vehicle near the loop. TIP: When the vehicle is first detected by the loop, “9” will be displayed on the ULTRAMETERTM display. Position the vehicle over the loop where the detection point is desired, take note of the number displayed on the ULTRAMETERTM and change the sensitivity setting (10-position rotary switch) to match that number. · Move the test vehicle away from the loop to remove it from the detection zone (ULTRAMETER™ display should be blank). · Press the FREQUENCY COUNT / RESET button on the ULT-MVP. · Retest the product by moving the vehicle into and out of the detection zone to make sure the setup and location are working as intended. | ||||
| 8. Press the FREQUENCY COUNT BUTTON / RESET button to calibrate the ULT-MVP to the loop. | ||||
| Installation | ||||
| Symptom | Possible Cause | Solution | ||
| Green LED not on | No power | Check the power supplied to the ULT-MVP on pins 1 and 2 (white and black wire). Voltage should read between 12-240 VDC/AC. | ||
| Green LED fast flash | Loop wire shorted or open | 1. Check the loop resistance with a multimeter to confirm a reading between 0.5 ohms and 5 ohms. If reading is outside of this range, replace the loop. The reading should be steady. 2. Check loop connections to terminals. 3. Press the FREQUENCY COUNT / RESET button. | ||
| Green LED flashes once intermittently | Loop wire was previously shorted or open | 1. Check the loop resistance with a multimeter to confirm a reading between 0.5 ohms and 5 ohms. If reading is outside of this range, replace the loop. The reading should be steady. | ||
| 2. Press the FREQUENCY COUNT / RESET button. | ||||
| Red LED on constantly (stuck in detection mode) | Faulty loop
Poorly crimped connection or loose connection | Perform a megger test from loop lead to ground, it should be more than 100 megaohms.
Check loop connections to terminals. Verify splices are properly soldered and sealed against moisture. | ||
| Observe ULTRAMETER™ display. The level indicated on the display indicates residual frequency shift from vacant loop to vehicle presence. Press the FREQUENCY COUNT / RESET button to re-initialize the detector. | ||||
| Detector detects intermittently when no vehicle is on the loop | Faulty loop
Poorly crimped connection or loose connection | Perform a megger test from loop lead to ground, it should be more than 100 megaohms.
Check loop connections to terminals. Verify splices are properly soldered and sealed against moisture. | ||
| Cross-talk between multiple loop detectors | Set multiple loops to different frequencies. | |||
| Loop not securely installed to prevent movement of loop in pavement. | Verify that loop is securely installed in pavement and that site is in good condition preventing movement of loop wires. | |||
| No detection | Loop wire shorted or open Loop sensitivity set too low | 1. Check the loop resistance with a multimeter to confirm a reading between 0.5 ohms and 5 ohms. If reading is outside of this range, replace the loop. The reading should be steady. 2. With a vehicle on the loop, observe the ULTRAMETER™ display. Set the sensitivity to the level indicated. | ||
EMX Industries, Inc. products have a warranty against defects in materials and workmanship for a period of two years from date of sale to our customer.
EMX Industries, Inc. ULT-MVP_Rev2.1_061620
Tech support: 216-518-9889 technical@emxinc.com
| EMX ULT-MVP™ Multi-Voltage Vehicle Loop Detector [pdf] Instruction Manual ULT-MVP Multi-Voltage Vehicle Loop Detector, ULT-MVP, Multi-Voltage Vehicle Loop Detector, Vehicle Loop Detector, Detector |
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