Performance
| SLRmini 1220-i4 | SLRmini 3060-i4 | |
| Stand Off Distance | 120mm 4.74” |
300mm 11.81” |
| Depth of Field | 20mm 0.79” |
60mm 2.36” |
| Minimum Speed | 0 m/min 0 ft/min |
0 m/min 0 /ft/min |
| Maximum Speed | + – 2000 m/min + – 6562 ft/min |
+ – 3000 m/min + – 9842 ft/min |
| Accuracy | Factory Calibrated to better than 0.05%. Repeatability of 0.02% |
| Measurement | Maximum Acceleration Rate of 500m/s2 (1640ft/s2) Measurement Rate Up to 24,400/sec |
| Units | Speed Measurement selectable m/min, ft/min, yd/min Length Measurement selectable m, ft, inch, yd |
| Mode | Normal (Continuous Length), Batch Length |
| Object Detection | Automatic Detection and Object Present |
| Zero Speed | The SLRmini Series gauges can detect true zero speed as the product comes to a stop |
Connectivity
Default Output 5vdc or User Input to 24vdc
Max Maximum Frequency Maximum pulse rate 2MHz (cable length dependent) – Pulse/Meter or
Meter/Pulse Configurable as 6 x Single End or 3 Quadrature or 3 Differential.
Non-Isolated from Gauge Head, Opto Isolated from the PSU-BOB i4
Maximum Input Voltage 30Vdc
2 x Fixed logic Inputs – Laser Enable and Shutter Enable
3 x Selectable logic Inputs – Reverse Direction, Length Reset, Display Hold, Speed Hold, Total Length Reset, End of Reel
RS232 MODBUS RTU, PROTON ASCII code or Label Printer
USB using RS232 – USB Converter Cable
RS485 MODBUS RTU, PROTON ASCII code (Not available with PROFIBUS)
Connects to Proton Products CDi4 Display
Connect to a PLC using PROFIBUS, PROFINET, or EtherNet I/P, data update rate up to 500/sec. Flexible Data Configuration, Big Endian, Little Endian
Ethernet selectable between OPC-UA and Modbus
Connect to a PC or Mobile Device using WiFi 2.4G and use the Proton Products Gauge App available for iOS and Android. Ideal for gauge configuration and diagnostics
Laser Doppler
Class 3B Visible Laser.
Wavelength 650 – 670 nm, typically 658 nm with a beam diameter of 3mm (0.12”)
Total emitted power 40mW. Power Density at Stand-Off Distance 560mW/cm².
Electrical and Operating Requirements
| Power Supply | Power Consumption | Operating Temerature | Environmental Protection |
| 18 – 30 Vdc | 15 Watts | 5°C – 40°C (41°F-104°F)* | IP 67 |
Size and Weight
Height 142mm (5.6”) |
Width 104mm (4.1”) |
Thickness 53mm (2.1”) |
Weight 1.5kg (3.3lbs) |
 |
*See Accessories for High Temperature Options
Industry 4.0
 |
More than 200 Data Words are available to communicate with your Industry 4.0 Solution. Data Words are divided into distinct function groups to make it easy to select the ones you want. |
| Gauge ID Data Words | Model Number, Serial Number, Firmware APP version, Firmware Core Version, Firmware Date |
| Calibration Data | Last Calibration Date, Days Since Last Calibration, Total Run Time, Calibration Alarm |
| Validation Data Words | SNR, Signal Amplitude, Good Readings, FFT Amplitude |
| Wired Network Info | IP Address, Netmask, Gateway |
| WiFi Network Info | IP Address, Netmask, Gateway, SSID |
| Measurement Data | Instant Speed, Average Speed, Batch Length, Total Length |
| Diagnostic Data | Laser Temperature, APD Temperature, Laser ON/OFF Cycles, Laser Power |
