NICE EPMOB - Era Photocell Medium - BlueBUS-wired photocells, (1 pair), adjustable
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Description of NICE EPMOB - Era Photocell Medium - BlueBUS-wired photocells, (1 pair), adjustable
Fully compatible successor NICE MOFB photocells.
Outdoor safety photocells NICE EPMOB (technical specifications) are installed opposite each other across the gate opening, or at any point where there is a risk of the gate hitting an obstacle. They create an infrared beam along the optical axis; when it is interrupted, they send a signal to stop the gate. They can only be used with devices that support NICE BlueBUS.
Installing NICE EPMOB photocells
| 1. Open the photocell | 1a. Remove the transparent cover |
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| 2. Following the arrows in the image, remove the electronics | 3. Punch out the holes needed for installation |
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| 4. Punch out the required cable entry | 5. Refer to the example layouts to see how to position the photocells at the installation site. |
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| 6. Depending on the position of the photocells at the installation site, set the address jumpers according to the table. | 7. Position the photocells directly opposite each other |
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| 8. Mount the photocell housings on a wall or post | 9. Connect the photocell wiring (make sure to disconnect the power supply first) |
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| 10. Fit the wired photocell electronics into the housings and restore the power supply. Run the connected-device learning procedure on the gate operator control unit. | 11. Test the photocells. If you encounter any problems, follow the troubleshooting guide |
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| 12. Place the cover on the photocell and secure it with screws. Don’t forget the insulating rubber seal | 13. Fit the transparent cover. Don’t forget the insulating rubber seal. |
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Connecting multiple pairs of photocells NICE EPMOB to the data network NICE BlueBUS
Position the photocells around the gate or gates according to the example layouts for the complete wiring setup, and set the jumpers according to the jumper table for the NICE EPMOB photocells gate operator. To prevent interference between pairs located close to one another, make sure to follow these example layouts, and maintain the orientation of the transmitters TX and receivers RX. Connect the photocells in parallel as shown (polarity does not need to be observed):
If you need the photocells to act as gate openers (see FA1 and FA2 in the example layouts), i.e. to open the gate when a vehicle passes between their optical axes, you need to disconnect link A on both the transmitter TX and receiver RX, see image:
Examples of complete connection configurations for multiple pairs of NICE photocells EPMOB drive unit
1. Single-leaf sliding gate
2. Two synchronised sliding gates facing each other
3. Swing gate
4. Sectional garage door
5. Up-and-over garage door
NICE photocell jumper table EPMOB gate drive unit
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Connecting multiple pairs of photocells to the system BlueBUS is done by setting different jumper combinations, with each connected pair requiring a unique jumper combination. Make sure that no two pairs in the same BlueBUS data network have the same combination. Within each pair of photocells, set the jumper to the same position on both the transmitter (TX) and receiver (RX). If the jumper configuration uses only one jumper, or none, keep any unused jumpers for future use. |
| Photocell pair designation | Jumper configuration |
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| FOTO |  |
| FOTO II |  |
| FOTO 1 |  |
| FOTO 1 II |  |
| FOTO 2 |  |
| FOTO 2 II |  |
| FOTO 3 |  |
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FA1 |
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FA2 |
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If a photocell needs to be replaced for any reason, simply set it to the same jumper setting as the original one; there is no need to run the device recognition procedure.
Testing operation and troubleshooting NICE photocell wiring EPMOB
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After the drive unit has recognised the devices, check that the LED on both the TX transmitter and RX receiver is flashing. The LED may flash in the following ways: |
| LED "L" | Status | What to do |
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| Off | The photocell has no power or is faulty. | Check that the voltage at the photocell inputs is approximately 8-12V. If the voltage is correct, the photocells are probably faulty. |
| 3 rapid flashes followed by a one-second pause | The device has not been recognised by the drive control unit. | Repeat the recognition procedure on the control unit. Make sure that each pair of photocells has been assigned a unique address using jumpers . |
| Very slow flashing | The TX transmitter is transmitting regularly The RX receiver is receiving an excellent signal |
Normal operation |
| Slow flashing | The RX receiver is receiving a good signal | Normal operation |
| Rapid flashing | The RX receiver is receiving a weak signal | Normal operation. However, ideally, check that the TX transmitter and RX receiver are aligned and make sure their covers are clean. |
| Very rapid flashing | The RX receiver is receiving a very weak signal | Operation is still normal, but marginal. Ideally, check that the TX transmitter and RX receiver are aligned and make sure their covers are clean. |
| On | The RX receiver is not receiving any signal | Make sure the TX LED is flashing slowly. Check that there is no obstruction in the optical path between the TX transmitter and RX receiver. Check the alignment of the TX and RX units. |
NICE photocell technical specifications EPMOB
| Product type | Detector for automatic swing gates, sliding gates and garage doors, Type D according to EN 12453, consisting of a transmitter TX and receiver RX. |
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| Technology | Direct optical TX-RX interpolation with a modulated infrared beam. |
| Power supply/Output | The device can only be connected to a data network that supports the NICE BlueBUS, from which it receives electrical power and sends an output signal. |
| Power consumption | 1 BlueBUS unit |
| Detection capability | Opaque objects larger than 50 mm passing across the optical axis between the TX transmitter and RX receiver at speeds below 1.6 m/s. |
| TX transmitter angle | 20° +-25% |
| RX receiver angle | 8° +-25% |
| Normal range (usable) | 15 m (may be halved in adverse weather conditions, e.g. fog, rain, dust, etc.) |
| Maximum range | 30 m |
| Addressing | 7 pairs with a safety function and 2 pairs with an "Open" command function |
| Use in acidic or saline environments, or in environments with an increased risk of explosion | No |
| Installation | Vertical wall/post installation, with the photocell direction adjustable in all directions by up to 30°. The maximum cable length per branch of the BlueBUS system is 50m. |
| Protection rating | IP44 |
| Operating temperature | -20°C to 55°C |
| Dimensions (W×H×D) | 50x80x28.5mm (one photocell) |
| Weight | 143g (photocells combined) |
Photocell wiring NICE EPMOB with drive NICE Robus 400, 600, 1000
Inside the photocells NICE EPMOB for gate operators
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