SafeZone (442L)
by Rockwell Automation
Rockwell’s own-branded scanner line — Mini through multizone, with CIP Safety over EtherNet/IP.
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11 of 17 specs differ across 4 models
| Spec | 44442L-SZNMZCP | 44442L-SFZNMN3 | 44442L-SFZNMZ-M-B | 44442L-SFZNSZ-SM-A |
|---|---|---|---|---|
| General | ||||
| Scanning Angle | 275 ° | 270 ° | 190 ° | 190 ° |
| Protective Field Range | 5.5 m | 3 m | 5 m | 4 m |
| Response Time | 95 ms | 80 ms | 60 ms | 60 ms |
| IEC 61496 Type | Type 3 | Type 3 | Type 3 | Type 3 |
| Warning Field Range | 40 m | 8 m | 49 m | 49 m |
| Angular Resolution | 0.51 ° | 0.5 ° | 0.25 ° | 0.5 ° |
| Number of Field Sets | 8 | 1 | 4 | 1 |
| SIL Rating | SIL 2 | SIL 2 | SIL 2 | SIL 2 |
| Interface | EtherNet/IP with CIP Safety (2× M12 female D-coded, DLR ring topology); voltage supply via M12 male A-coded | 8-pin M12 QD connector (main I/O + OSSD); M8×4 serial connector (RS-232 configuration); no fieldbus | RS-232 configuration cable (442L-ACRS232); no fieldbus/EtherNet-IP | RS-232 configuration cable (442L-ACRS232); no fieldbus/EtherNet-IP |
| IP Rating | IP65 | IP65 | IP65 | IP65 |
| PL Rating | PLd | PLd | PLd | PLd |
| Communication Protocols | EtherNet/IP (CIP Safety over EtherNet/IP; CIP Networks Library Vol.1 Ed.3.20, Vol.2 Ed.1.21, Vol.5 Ed.2.13), Device Level Ring (DLR) support | RS-232 (configuration only, via M8×4 connector); no native fieldbus | RS-232 (configuration only); no native fieldbus (no EtherNet/IP, no PROFIsafe) | RS-232 (configuration only); no native fieldbus (no EtherNet/IP, no PROFIsafe) |
| Dimensions (L×W×H) | 112 × 150.8 × 111.1 mm (W × H × D), with system plug mm | Ø94-102 × 116 mm (approx.; cylindrical body, see manual Fig. 54) — weight not published mm | 155 × 185 × 160 mm (W × H × D) mm | 155 × 185 × 160 mm (W × H × D) mm |
| Operating Temperature Range | -10 to +50 °C | -10 to +50 °C | -10 to +50 °C | -10 to +50 °C |
| Operating Voltage Range | 16.8–30 VDC | 16.8–30 VDC | 16.8–28.8 VDC | 16.8–28.8 VDC |
| Scan Rate | 33.333333333333336 Hz | — | 33.333333333333336 Hz | 33.333333333333336 Hz |
| Weight | 1.45 kg | — | 3.3 kg | 3.3 kg |