アブソリュート方式 光エンコーダ
ZapFREE®
ZapFREE®はレーザダイードと光ファイバを利用し、0~360度までの絶対角度を14bitで 測定できるポジションセンサです。
従来のアブソリュート方式エンコーダや、LEDを利用した光 エンコーダをはるかに凌駕します。
干渉を受けることなく最大300mまで伝送が可能です。
本システムは、
- パッシブ光センサ(MR332)
- アクティブコントローラ(MR330)
- 62.5/125µm マルチモードファイバ
から構成されています。
コネクタの接続方式はDuplex LC、もしくは工業規格のODVA IP-LC Duplexの2種類を用意しています。MR330コントローラーは様々な工業規格のインターフェース*1に対しているので、シームレスにあらゆるコントロールシステムと接続することができます。
*1:SSI, RS485, Modbus(RTU, USB, ±10V, 4-20mA and digital set-points)
- 0~360度を14bit 分解能で絶対角度を検出
- 双方向回転トラッキング4096回転(12bit)
- センサ部分は100%パッシブデザイン(電力供給の必要なし)
- 光方式だから、電磁波、雷、電気的干渉を気にせず使用可
- 最大300mまでの長距離伝送、しかも干渉なし!
- IP66/67
- LabVIEW Virtual Instrument(Ⅳ)対応
- MRI 向けのMR338シリーズもご用意
- センサ種別: Inherently Safe Simple Apparatus
IEC ATEX Group Ⅰ/Ⅱ/Ⅲ 及び U.S.zone 0/20 hazardous locations gaseous and dust
MR332 Sensor Specifications
Measurement Parameters | |
Measurement Range | 0° to 360° (continuous) |
Resolution | 13 bits (8192), 14 bits (13950) |
Maximum RPM | Maximum 2,500 rpm for position reading; Mechanical limit is 6,500 rpm |
Mechanical Performance | |
Max Shaft Loads | Axial 40 N (9 lbf), Radial 80 N (18 lbf) |
Moments of Inertia | 2.88E-06 kg*m² (4.08E-04 oz*in*s² ) |
Starting Torque | < 0.02 N-m with Shaft Seal |
System MTBF (ISO Method) |
L10 bearing life at 100% of max radial/axial load at 2500 rpm: 4.650E+04 hours L10 bearing life at 10% of max radial/axial load at 2500 rpm: 1.988E+06 hours |
Physical Attributes | |
Housing Dimensions | Φ 58mm x 80mm L (industry standard 58mm servo mount housing) |
Unit Weight | 500g (18 oz) |
Materials | Body: Anodized Aluminum; Shaft and Bearings: Stainless Steel |
Environmental Performance | |
Temperature | Operating: -40° to +80°, Storage: -40° to +80° |
Humidity | 0% to 95% RH (non-condensing) |
Ingress Protection | Shaft Seal Option Y With D00 Industrial LC Connector Option = IP66/IP67 Shaft Seal Option Y With CXX Duplex LC Pigtail Option = IP65 Shaft Seal Option N = IP40 |
ATEX Classification Europe USA |
Simple Apparatus, Inherently Safe Optical Radiation CE Ex op is I/II /III 80℃/T6 Ga/Ma/Da NEC 500: Class I/II/III-All Divisions; NEC 505: Zone 0/Zone 20 |
Specifications Subject To Change Without Notice
MR330-1 Controller Specifications
The following is a summary of MR330-1 performance specifications when used to operate the MR332 Sensor. Consult separate MR330 Data Sheet and MR330 Instruction Manual for detailed performance and interface information.
Position Output Interfaces | |
SSI | 25 bits, Programmable baudrate 25 kHz - 250 kHz |
Modbus | Modbus (RTU) compatible RS422/RS485 interface |
USB | USB, Disables Modbus interface when used |
Current Output | Isolated 4-20 mA (270 V isolation maximum), Output scalable by user |
Voltage Output | -10V to +10V, Non-Isolated, Output scalable by user |
Digital Outputs | 0-24V maximum 10 mA Load (Zero + two programmable Set Points) |
Power Supply | +16 VDC to +32 VDC, 100 mA max at 24 VDC During Power Up, external power supply should be capable of 200 mA momentary output |
Interface Update Rate | |
Angular Speed (ω) | Max 262 radians/sec (equivalent to 2,500 rpm) for accurate position reporting |
Update Rate | 1.17 kHz (850 µs) |
Reporting Delay | SSI: Maximum 800 µs (time from actual position to SSI output) Analog Output: Maximum 1.0 ms |
Fiber Optic Interface | |
Connector Type | Duplex LC with Super PC polish Performance Requirements: IL<0.5 dB, RL>24 dB, Telcordia GR-326 Endface Geometry |
Fiber Type | 2 x Multimode 62.5/125 µm, Graded Index, 0.275 NA |
Maximum Optical Link Length |
Maximum of 300 m (1000 ft) or 2 dB (two-way loss (measured at 850nm) |
Physical Attributes | |
Housing Dimensions | 102 mm W x 102 mm D x 68 mm H, includes 35mm DIN rail mount |
Unit Weight | 600g (22 oz) |
Environmental Performance | |
Temperature | Operating: 0°C to +45°C, Storage: -15°C to +65°C |
Humidity | 25% to 95% RH (non-condensing) |
Ingress Protection | IP30 |
ATEX Classification | Inherently Safe Optical Radiation [Ex op is I/II/III 45C/T6 Ga/Ma/Da] Brackets [..] designate that the Controller shall be installed in non-haz location only |
Specifications Subject To Change Without Notice
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