PMIS3 POSIMAG® Magnetic Scale Position Sensor Very compact sensor for industrial applications Sensor head PMIS3 • Non-contact, no wear • High velocity • Robust shielded metal enclosure • Protection class IP67 • Incremental encoder output A/B/Z • Signal processing as usual with encoders • Reference pulse and end position signal • Indicator for velocity/position errors A POSIMAG measuring system consists of the sensor head PMIS3 and the magnetic scale PMIB3 with the same magnetic period. Specifications Output Incremental encoder output A/B with differential push-pull output, TTL/RS422 or HTL compatible Excitation voltage 10 ... 30 VDC or 5 VDC ±5 % Excitation current 50 mA to 300 mA, depending on pulse frequency, cable length and load Magnetic period of the sensor 2 mm 5 mm 0.1 ... 0.8 mm 0.1 ... 2 mm ±1 mm ±1 mm 15 µm ± 40 µm/m 30 µm ± 40 µm/m Guided spacing between sensor and mag. scale (xz) Side tracking tolerance of the sensor Linearity (sensor with mag. scale PMIB3) Repeatability ± 1 digit Resolution with ext. times 4 counting mode [µm] Max. velocity with fp=50 kHz [m/s] (20 kHz: x 0.4; 10 kHz: x 0.2) Order code PMIS3 PMIS3 — ± 1 digit 5 10 20 50 10 25 50 125 0.8 1.6 3.2 8 1.6 4 8 20 — — — — KHZ— M— Model name Magnetic period 20 = 2 mm / 50 = 5 mm Resolution (in µm) with times 4 counting mode Mag. period 2 mm: 5 / 10 / 20 / 50 Mag. period 5 mm: 10 / 25 / 50 / 125 Max. pulse frequency (in kHz, standard 50 kHz) 50 / 20 / 10 Output HTL = HTL output with excitation 24 VDC, output 24 V TTL = TTL output with excitation 5 VDC, output TTL/RS422 TTL24V = TTL output with excitation 24 VDC, output TTL/10 mA Reference pulse/ end position signal/ status signal Z0 = A/B w/o reference pulse / Z1 = A/B with reference pulse Z Z2 = A/B with end position signal / *Z3 = A/B with reference pulse and status signal (Option Z3 only for non-diferential output, single ended) Cable length (in m, standard 2 m) Connection S = Cable output, open end P / P15 = SUB-D connector at the cable end: P = 9 pins; P15 = 15 pins Order example: PMIS3 - 50 - 25 - 50KHZ - HTL - Z1 - 2M - S 6 CAT-PM--E-04 Tel.: 08123/986-0 Fax: 08123/986-500 www.asm-sensor.com ASM GmbH PMIS3 POSIMAG® Magnetic Scale Position Sensor Specifications (continued) Max. pulse frequency fp Outputs Material of enclosure Electrical connection Weight (w/o cable and connector) Protection class (EN 60529) Environmental Shock Vibration EMC Temperature 50 kHz, 20 kHz, 10 kHz (standard 50 kHz) A, A, B, B, reference pulse Z, Z, end position signal E, E, status signal ERR Zinc die casting Cable 8 wire, Ø 5 mm, open cable end, 9 pin SUB-D connector at the cable end as option. Max. length of the integrated sensor cable for TTL: 3 m; HTL/TTL24V: 20 m 30 ±5 g IP67 EN 60068-2-27:1993, 50 g 6 ms, 100 shocks EN 60068-2-6:1995, 20 g, 10-2000 Hz, 10 cycles DIN EN 61326 -40 ...+85°C The subsequent counting device must be able to process the specified maximum pulse frequency of the sensor. Output signals Saturation voltage Rise time UH, UL = 0,2 V UH, UL = 0,4 V Clast < 10 nF ISL, ISH < 800 mA ISL, ISH < 90 mA tr, tf < 200 ns Load/cable length Load/pulse frequency fp Short circuit current Pulse frequency in dependence on the cable length Iout = ±10 mA Iout = ±30 mA (UH = UB - Uout) (UH, UL = 0 V) (UH, UL = 1,5 V) with cable length 1 m, 10 % … 90 % HTL single ended UB = 24 V TTL/RS422 differential UB = 5 V * TTL/24 V UB = 24 V Max. output current Rlast min. Clast max. 200 m 100 m 50 m 50 mA 500 Ω 10 nF 15 kHz 25 kHz 50 kHz 50 mA 100 Ω 10 nF — 100 kHz 200 kHz 10 mA 500 Ω 1 nF — — 50 kHz 10 m 100 kHz 300 kHz 100 kHz * = consider the voltage loss of the cable; the excitation voltage 5 V ± 5% of the sensor must be guaranteed. Note: For longer distances (see specification above) you must use min. 0,5 mm2 wire for „Excitation+“ and „Excitation GND“ (see signal wiring next page), all signal wires must be min. 0,14 mm2! Outline drawing Status signal (LED) Active measurement range Position tolerance of the active measurement range: dx = ±1 mm Reference mark Dimensions informative only. For guaranteed dimensions consult factory. ASM GmbH Tel.: 08123/986-0 Fax: 08123/986-500 www.asm-sensor.com CAT-PM-E-04 7 PMIS3 POSIMAG® Magnetic Scale Position Sensor Output signals Option Z1 (Reference pulse) Option Z2 (End position signal) ±1 mm, sw. position independent from A,B End position mark Signal name Signal wiring / connection Option Z0 Z1 Z2 Z3* Open cable end Cable colour Conn. SUB-D, 9 pin pin no. white 1 Excitation + brown 5 B green 2 Excitation GND (0V) B B B A A A A yellow 3 B B B ERR grey 7 A A A − pink 6 − Z E Z blue 4 − Z E − red 8 black 9 Shield Z = reference pulse E = end position signal ERR = status signal, periodical approx. 16 Hz, for side tracking and velocity errors * = status signal ERR available only with HTL (single ended) output Cable output dimensions Connector SUB-D (Pin) View to connector pins CAT-PM--E-04 Tel.: 08123/986-0 Fax: 08123/986-500 www.asm-sensor.com ASM GmbH PMIB3 POSIMAG® Magnetic Scale Magnetic scale PMIB3 for Position Sensor PMIS3 • Easy splicing • Resistant to moisture and many fluids • Extensive ruggedness against dust etc. • High temperature durability • Magnetic scale with stainless steel base The magnetic material is magnetised in defined and even distances and works as a solid measure. Reference marks can be user defined in 4 mm resp. 10 mm steps. The magnetic scale retains its firmness by means of a spring steel base (stainless steel strip CrNi 17 7). Specifications Solid measure Plastic bonded flexible permanent magnet Base material Stainless steel CrNi 17 7 / elastomer Masking tape Stainless steel (non magnetic) Measurement ranges e.g. 100 ... 2500 mm (up to 50 m on request) Width 10 mm +0.1 mm / -0.2 mm Thickness (w/o masking tape) 1.4 mm +0.1 mm / -0.2 mm Thickness (with masking tape) 1.6 mm +0.1 mm / -0.2 mm Magnetic period Linearity at 25°C up to 30 m up to 50 m Reference mark (reference pulse) Measurement range 2 mm 5 mm ±40 µm/m ±80 µm/m ±40 µm/m ±80 µm/m max. every 4 mm max. every 10 mm must be divisible by 4 must be divisible by 10 Linear thermal expansion coefficient 17 x 10-6 / K Operating temperature -40 ...+100°C An unmagnetic masking tape made of stainless steel is available (accessories). The magnetic scale is flexible and can be glued to the surface of a cylinder with a minimum radius of 100 mm and used for angular measurements. Order code PMIB3 PMIB3 Model name Magnetic period 20 = 2 mm / 50 = 5 mm Mounting of the magnetic scale N = adhesive taping Measurement range (total length = range + X mm, refer to the table on page 12) e.g. 100, 500, 1000 ... 2500 mm (up to 50 m on request) Measurement ranges must be divisible by 4 (resp. by 10) Reference marks/end position marks (optional) R1 = reference mark on the left / R2 = on the right E1 = end position mark on the left / E2 = on the right Additional reference marks every 4 mm (period 2 mm) resp. 10 mm (period 5 mm) from the left Options FP = magnetic scale in flat profile HP = magnetic scale in high profile AB = masking tape (only with FP + HP) Order example: PMIB3 - 50 - N - 1500 - R1 ASM GmbH Tel.: 08123/986-0 Fax: 08123/986-500 www.asm-sensor.com CAT-PM-E-04 PMIS3/PMIB3 POSIMAG® Magnetic Scale Position of the ERR standard reference Z marks A A B Magnetic period Dimensions reference Switching position A Total length B 20.0 ±1 mm measurement range + 40 mm 60.0 ±1 mm measurement range + 120 mm 2 mm 5 mm 2 mm with high profile 5 mm with high profile Additional reference marks every 4 mm (period 2 mm) resp. 10 mm (period 5 mm) from the left h. s. Position of the end position marks E A A B Dimensions end positions 10 Magnetic period Switching position A Total length B 2 mm 21.0 ±1 mm measurement range + 50 mm 5 mm 22.5 ±1 mm measurement range + 50 mm 2 mm with high profile 61.0 ±1 mm measurement range + 130 mm 5 mm with high profile 62.5 ±1 mm measurement range + 130 mm CAT-PM--E-04 Tel.: 08123/986-0 Fax: 08123/986-500 www.asm-sensor.com ASM GmbH PMIS3/PMIB3 POSIMAG® Magnetoresistive Position Sensor Accessories Masking tape PMAB: Masking tape made of stainless steel for POSIMAG magnetic scale PMIB3, width 10 mm, thickness 0.2 mm PMAB — 10MM — Order code: Length in mm Outline drawing flat profile PMFP Mounting element PMFP Mounting element PMFP Magnetic scale (w/o masking tape) Mounting set PMFP-BFS1 Outline drawing high profile PMHP Mounting element P Magnetic scale (w/o masking tape) Mounting element P Mounting set PMHP-BFS1 Slider for high profile PMGW3 222 19,6 36,3 M5 29,8 28,3 19 16 78 Dimensions informative only. For guaranteed dimensions consult factory. ASM GmbH Tel.: 08123/986-0 Fax: 08123/986-500 www.asm-sensor.com CAT-PM-E-04 11 PMIB3 POSIMAG® Magnetic Scales – overview Magnetic Scales – Technical Information Types of magnetic scales / Application recommendation Type Stainless steel elastomer scale PMIB3 base strip CrNi 17 7 stainless steel magnetic scale Elastomer magnetic scale environmental conditions very difficult corrosion resistance high temperature resistance high media resistance high Chemical durability – Elastomer magnetic scales (PMIB3) no / little influence motor oils gear oils ATF (automatic transmission fluid) hydraulic fluid kerosene antifreeze agent purifying agent turpentine water sea water/salt water 12 weak / middle influence JP-4 fuel (Jet fuel) gasoline/petrol heptane alcohol strong influence aromatic hydrocarbon (benzene, toluene, xylene) ketone anorganic acids (HCl, H2SO4) CAT-PM--E-04 Tel.: 08123/986-0 Fax: 08123/986-500 www.asm-sensor.com ASM GmbH