Model explanation of proximity switch:
| Number | Composition | Code and Definition |
| 1 | Switch catalogue | G: Photoelectric sensor |
| 2 | Outward appearance code | ■: Cylinder type; F: Angular column type and plane installation type |
| 3 | Working voltage | 2: 90-250VAC ;3: 10-30VDC; 4: 12-240VDC/24-240VAC; 5: Special voltage |
| 4 | Detection distance | 05: 5cm ; 10: 10cm; 30: 30cm; 101: 10m |
| 5 | Output form | N: Three-line DC NPN output; P: Three-line DC PNP output; L: Two-line DC output; ■: AC two-wire output; J: Relay output; NP: NPN+PNP output |
| 6 | Output state | A: NO; B: NC; C: NO+NC; MU: Mimic voltage; MI: Mimic current |
| 7 | Subsidiary functions | T: With connector; Y: Water proof, oil proof; I: Special requirement; H: High temp resistance; R: Ring type |
Briefintroduction:
SM series Hall sensor is a kind of magnet sensitive sensor consisting of voltage regulator, Hall voltage generator, differential amplifier Schmidt trigger and the output pole of collector open circuit. Its input is the magnetic flux density. The output is a digital voltage signal.
Main features:
– Compact volume
– high precision of repeated location
– Diversified exterior structures
– Good performance of anti-interference.
– Many output forms
– High on-off frequency
– Wide voltage range
– Dust proof,vibration proof,water proof and oil proof.
– With short-circuit protection and inverted connecting protection.
– Long service life
Technical Parameter(Photoelectric Switch G12):
| Model NO. | Detection distance | Working voltage | Output | Detection way | |
| Form | State | ||||
| G12 -3A 07NA | 7cm | DC10-30V | NPN | NO | Diffuse type |
| G12 -3A 07NB | 7cm | DC10-30V | NPN | NC | Diffuse type |
| G12 -3A 07PA | 7cm | DC10-30V | PNP | NO | Diffuse type |
| G12 -3A 07PB | 7cm | DC10-30V | PNP | NC | Diffuse type |
| G12-3B1NA | 1m | DC10-30V | NPN | NO | Retroreflective |
| G12-3B1NB | 1m | DC10-30V | NPN | NC | Retroreflective |
| G12-3B1PA | 1m | DC10-30V | PNP | NO | Retroreflective |
| G12-3B1PB | 1m | DC10-30V | PNP | NC | Retroreflective |
| G12 -3C 3NA | 3m | DC10-30V | NPN | NO | Through beam |
| G12 -3C 3NB | 3m | DC10-30V | NPN | NC | Through beam |
| G12 -3C 3PA | 3m | DC10-30V | PNP | NO | Through beam |
| G12 -3C 3PB | 3m | DC10-30V | PNP | NC | Through beam |
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