
The AirTAC Airtac DMSG Electronic Sensor DMSG-N030 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 npn 3-wire output on 5-30 V DC with a 3 m flying lead. It only works on a cylinder that carries a piston magnet.
The DMSG-N030 is a solid-state electronic magnetic position switch from AirTAC, built with a 3-wire NPN output. It clips into the sensor groove of an AirTAC cylinder fitted with the magnet option and signals the controller when the piston reaches it. This version comes on a 3 m flying lead, runs from a 5-30 V DC supply, and carries IP64 protection on the general housing.
Because the output stage is NPN, the switch sinks current into the PLC input, so your input card must be a sinking type - knowing that up front avoids rewiring at commissioning. The G in the code is a fit code that selects which cylinder groove the body seats in; check it against your cylinder and confirm the exact match from the datasheet.
| Model | Airtac DMSG Electronic Sensor DMSG-N030 |
|---|---|
| Family | DMS — Electronic cylinder switch |
| Technology | Electronic (solid-state) |
| Output | NPN 3-wire |
| Outputs in this family | 2-wire, NPN 3-wire or PNP 3-wire |
| Lead / connector | 3 m flying lead |
| Supply voltage | 5-30 V DC |
|---|---|
| Protection rating | IP64 |
| Version | Standard version |
| Profile letter | G (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). |
|---|---|
| G | 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. |
| N | Output: NPN 3-wire. Blank is 2-wire, N is NPN 3-wire, P is PNP 3-wire. |
| 030 | 3 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 | DMSG · NPN 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) |
Clipped into the groove of a magnet-outfitted AirTAC cylinder on a small-parts picker, the NPN output tells the robot controller the gripper has fully retracted.
Confirms to the line PLC that a gate cylinder on a carton conveyor has reached full extension before the next box is released onto the belt.
Sinks current into a 24 V DC sinking input module, connecting directly to the controller with no interposing relay.
Pick this electronic DMS over a CMS reed switch when the circuit is DC and you want switching with no contact bounce during fast cycling. A 3-wire NPN hookup hands the PLC a cleaner edge than a 2-wire series connection. The 3 m flying lead can be trimmed on site; if you plan to unplug the sensor during service, an M8 or M12 connector version is the better choice. Remember the cylinder must carry the built-in magnet option, and the G profile has to match its groove.
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 a solid-state electronic switch with a 3-wire NPN output, powered from a 5-30 V DC supply, connected through a 3 m flying lead. The general housing is rated IP64.
An NPN 3-wire output sinks current, which suits PLC input cards wired for sinking signals and gives a clean switching edge. A 2-wire unit wires in series like a mechanical contact but passes a small leakage current. Match the output to your input card before ordering.
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.