
The AirTAC Airtac DMSJ Electronic Sensor DMSJ-P100 is a genuine DMS magnetic position switch. It senses the magnet ring in a pneumatic cylinder's piston and signals when the piston reaches that point, giving a pnp 3-wire output on 5-30 V DC with a 10 m flying lead. It only works on a cylinder that carries a piston magnet.
The DMSJ-P100 is an electronic, solid-state magnetic position switch that reads the piston magnet of an AirTAC cylinder ordered with the built-in magnet option. Its PNP 3-wire output and 10 m flying lead are both decoded straight from the part number, the supply span is 5-30 V DC, and the housing carries an IP64 rating. The J profile defines which sensor groove the body seats into.
A three-wire PNP output sources current to the load and hands the PLC a defined, contact-bounce-free signal, which is why it is usually preferred over a series-wired 2-wire part on dedicated input cards. Note that the profile letter is a mounting fit code, not a grade - check it against your cylinder's groove and send us the series if you need the fit verified.
| Model | Airtac DMSJ Electronic Sensor DMSJ-P100 |
|---|---|
| Family | DMS — Electronic cylinder switch |
| Technology | Electronic (solid-state) |
| Output | PNP 3-wire |
| Outputs in this family | 2-wire, NPN 3-wire or PNP 3-wire |
| Lead / connector | 10 m flying lead |
| Supply voltage | 5-30 V DC |
|---|---|
| Protection rating | IP64 |
| Version | Standard version |
| Profile letter | J (cylinder-groove fit) |
| Profiles in this family | E, G, H, J |
| Detects | Piston magnet ring inside the cylinder |
2-wire versions run 10-28 V DC; NPN / PNP 3-wire versions run 5-30 V DC. IP64 as standard. Order the RW version where coolant, washdown or constant cable flexing is present. Switching distance, response time, current rating, voltage drop, LED behaviour, contact life, weight and dimensions are not published in our data set — ask us and we will confirm from the factory datasheet.
| DMS | Electronic cylinder switch — electronic (solid-state). |
|---|---|
| J | Profile letter: the mounting / groove type that fits a particular cylinder body. This family offers E, G, H, J. It is a fit code, not a performance grade. |
| P | Output: PNP 3-wire. Blank is 2-wire, N is NPN 3-wire, P is PNP 3-wire. |
| 100 | 10 m flying lead. 020 / 030 / 050 / 100 are 2 / 3 / 5 / 10 m flying leads; M08 and M12 are M8 / M12 connector versions. |
| (blank) | Standard version. |
We do not hold the full profile-to-cylinder-series table, so confirm the profile letter against your cylinder model before ordering — send us the cylinder part number and we will check the fit.
The split is electrical, not quality. Solid-state DMS and EMS are DC-only and suit modern PLC inputs; the reed-based CMS switches a much wider window, so it is the one for AC circuits, relay logic and older panels. The RW (IP68) option exists on DMS and EMS only.
| This switch | DMSJ · PNP 3-wire · 5-30 V DC |
|---|---|
| Consider EMS | the mini 2-wire electronic switch for tight installations |
| Consider CMS | the reed alternative for AC circuits and voltages up to 240 V |
| Mounting parts | F-MQ (round body), F-ACT (tie-rod) |
Clamp-closed confirmation on robotic fixture cylinders, wired 10 m back to the cell PLC through the long flying lead without a junction splice.
Board-position check before layer forming - the PNP output drops straight into a sourcing digital input on the palletizer controller.
Where the switch sits far from the panel, the 10 m lead reaches remote I/O blocks, with the 5-30 V DC span covering 24 V systems comfortably.
Pick the P version when your PLC input card expects a sourcing (PNP) sensor; the N version suits a sinking input, and a plain 2-wire DMS or an EMS fits circuits that treat the switch like a mechanical contact. Flying leads from 2 to 10 m suit fixed conduit runs, while M8 or M12 connector codes let you unplug the switch for service. In washdown or moving cable tracks, step up to the -RW build, which lifts protection to IP68. The J profile must seat in the matching cylinder groove, and the cylinder itself must carry the -S magnet option for any reading at all.
Quick checklist
Use the F-MQ bracket on round-body cylinders and F-ACT on tie-rod cylinders where there is no groove to seat the switch. Both are ordered separately from the switch. Switching distance and mounting dimensions come from the factory datasheet — ask us for the sheet that matches your cylinder.
It is an electronic (solid-state) switch with a PNP 3-wire output, supplied from 5-30 V DC, protected to IP64, and terminated in a 10 m flying lead. The J profile sets the cylinder-groove fit.
Match the output to the input card: PNP sources current to a sinking input, NPN sinks from a sourcing input. If you would rather wire the switch in series with the load like a mechanical contact, ask for a 2-wire DMS or an EMS instead. For damp or flexing installations, the -RW build reaches IP68.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
Standard models are processed and dispatched in 3-5 business days.
Most inquiries answered within 7-8 hours.
Send us the quantity, your cylinder model (so we can confirm the profile fit) and the destination. We confirm price, availability and lead time — usually within 7-8 hours.