HySecurity MX4018, Edge Sensor Module, N/C adapter
The HySecurity MX4018 Hy2NC module is a two-channel wired edge sensor adapter. Its job is to monitor the resistance used in a compatible hardwired safety edge and convert that monitored edge signal into a normally closed contact style output for the HySecurity control board. HySecurity UL 325 guidance explains that older edges without a 10k resistor cannot be monitored in the same way, and that hardwired monitored edges may require an edge interface module on STC or Smart DC boards. Because this part is part of the entrapment protection system, accurate selection matters. The installed edge must be the correct monitored type, the operator input must be configured properly, and the site must still meet required photo eye/edge protection for the gate type and direction of travel. Do not use MX4018 as a way to bypass a failed edge or defeat monitoring.
Compatible With
This compatibility section is written cautiously because HySecurity parts can vary by operator generation, voltage, controller, installed options, and parts diagram revision.
- HySecurity STC and Smart DC board applications requiring a Hy2NC wired edge adapter
- Select HySecurity SlideSmart DC, SlideSmart HD, and other operator accessory applications listing MX4018
- Compatible 10k resistive hardwired safety edges when connected through the proper Hy2NC channel
- Applications needing up to two hardwired edge channels through one adapter
- Not required in the same way for newer Mercury 310 or SmartTouch 720/725 direct 10k edge inputs when the manual confirms direct wiring
Features and Specifications
| Manufacturer | HySecurity / Nice HySecurity |
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| Part Number | MX4018 |
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| Product Type | Wired edge sensor adapter module |
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| Common Name | Hy2NC |
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| Channels | 2 channels |
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| Edge Type | Monitored 10k resistive hardwired safety edges where supported |
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| Output / Function | Converts monitored edge signal to normally closed style input |
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| Application | HySecurity monitored entrapment protection interface |
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| Important Note | Do not bypass monitored safety devices |
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Also Known As / Related Part Numbers
- MX4018
- HYS-MX4018
- Hy2NC
- Hy2NC wired edge adapter
- Edge Sensor Module, N/C adapter
- 2-channel edge sensor module
- Wired edge sensor N/C adapter
Technician Note
Before replacing MX4018, compare the installed part, operator model, voltage or control type, and HySecurity parts diagram. Similar HySecurity accessories can look close in photos but serve different operator families or voltage configurations.
Before Ordering Checklist
- Confirm the HySecurity part number on the existing part or current parts diagram.
- Verify the operator model, generation, controller type, and installed options.
- Check voltage, wiring terminals, enclosure rating, and mounting location when applicable.
- Confirm whether the job requires a complete kit, a subcomponent, or a different voltage/model version.
- For safety devices, confirm the required monitored input type and do not bypass entrapment protection.
Professional Advisory
Electrical wiring, heater kits, and monitored entrapment devices should be installed by a qualified gate technician. Do not bypass required safety devices or substitute parts by appearance alone.
Important Ordering Warnings
- HySecurity part numbers with similar names are not always interchangeable.
- Voltage-specific heater kits and control accessories must match the operator data plate and wiring diagram.
- StrongArm, SlideDriver, SlideDriver II, SlideSmart HD, and Smart Touch/Smart DC accessories should be kept separate unless HySecurity documentation confirms fitment.
- For older operators, verify whether the installed system has been upgraded or retrofitted before ordering.
Product Questions and Answers
What does the MX4018 Hy2NC module do?
It monitors compatible hardwired edge sensors and provides a normally closed style output for supported HySecurity control-board inputs.
How many edge sensors can MX4018 support?
HySecurity guidance describes the Hy2NC as a two-channel module, so it can support up to two compatible wired edge channels when wired correctly.
Can MX4018 be used with old non-monitored edges?
Old edges without the proper 10k monitoring resistor may not meet current monitored-edge requirements. Verify the edge type before ordering.
Do newer HySecurity boards always need this adapter?
Not always. Newer Mercury 310 and SmartTouch 720/725 references may allow direct 10k edge wiring, depending on the specific operator and configuration.
Can I bypass this module if the gate has edge errors?
No. Do not bypass monitored entrapment protection. Troubleshoot the edge, wiring, module, and controller with a qualified gate technician.
