SSI TH1 Rod Magnetostrictive Transducer

Manufacturer: Novotechnik
Category: Displacement, SENSORS, Magnetostrictive Linear Transducer, Linear Transducers

Novotechnik TH1 SSI magnetostrictive transducer. NOVOSTRICTIVE technology, non-contact.

Magnetostrictive rod transducer for non-contact linear position measurement. Stroke from 50 to 4250 mm. Working pressure up to 350 bar. Passive annular position marker. Depending on the interface, it measures up to three positions and speed.

Key points

Position detection with ring placeholder
Unlimited mechanical life
Resolution down to 1 µm, independent of length
Temperature coefficient ≤ 15 ppm/K

Technical Frequently Asked Questions

What can be connected to the SSI TH1 magnetostrictive transducer?

It can be connected to Novotechnik M12 connectors and cables, Novotechnik M16 connectors and cables, and Novotechnik linear sensor positioners (magnets and cursors).

How do I order the SSI TH1 magnetostrictive transducer?

The order code has six fields: stroke (mm), mechanical version, interface, signal, resolution, and code and connection. For example, TH1-0800-102-211-102 is the version with an 800 mm electrical range, M18x1.5 threaded flange with a 30 mm zero point, 24-bit SSI, binary code with 5 µm resolution, and an 8-pin M12x1 connector. All the options for each field are available in the order code configurator on this page.

Under what conditions does the SSI TH1 magnetostrictive transducer operate?

Operating temperature: -40 … +85 °C. Protection: IP67.

Properties

Feature	Specification
Description
Housing	Anodized aluminum AlMgSi0.5 F22, 3.3206.71
Threaded flange	Stainless steel X2CrNiMoN 18-14-3, 1.3952
Rod	Stainless steel X6CrNiMoTi 17-12-2, 1.4571
Mounting	M18x1.5 bushing for threaded plug drill according to ISO 6149; 3/4"-16UNF bushing for threaded plug drill according to SAE J475
Placeholder	Ring placeholder
Measurement principle	NOVOSTRICTIVE, non-contact magnetostrictive
Electrical connection	M12x1 connector with 4, 5 or 8 poles, shielded; M16x0.75 (IEC 130-9) connector with 6 or 8 poles, shielded; 8x 0.25 mm² PUR cable, shielded, 1, 3 or 5 m
Electronics	SMD with integrated ASIC; the connector housing (display) is bonded to the sensor housing; the housing is capacitively decoupled from the electronics
Mechanical data
Electrical range (L dimension)	0050 … 4250 mm in 25 mm increments; other lengths available upon request
Maximum operating speed with valid output signal	10 m/s
Maximum operating acceleration with valid output signal	200 m/s²
IEC 60068-2-27 Shock	100 g (11 ms), one stroke
Vibration IEC 60068-2-6	20 g (5 … 2000 Hz, Amax = 0.75 mm)
DIN EN 60529 protection, with fixed connector	IP67
DIN EN 60529 protection, with cable	IP68
Life	Mechanically unlimited
Working temperature	-40 … +85 °C
Storage temperature	-40 … +100 °C
Working humidity	0 … 95 % HR (non-condensing)
Working pressure	≤ 350 bar
Pressure spikes	≤ 600 bar
Bursting pressure	> 700 bar
Electrical data
Electrical range (L dimension)	0050 … 4250 mm
Protocol	24-bit and 25-bit SSI (26-bit on request)
Tickets	RS422
Monoflop time™	30 µs
Coding	Gray, binary
Sampling frequency (update)	< 750mm: 2kHz; 750 … < 2000 mm: 1 kHz; > 2000mm: 0.5kHz; extrapolated to 16 kHz
Resolution (LSB)	1, 5 or 10 µm (other resolutions available upon request)
Absolute linearity (*), length < 250 mm	≤ ±25 µm
Absolute linearity (*), length < 750 mm	≤ ±30 µm
Absolute linearity (*), length < 1000 mm	≤ ±50 µm
Absolute linearity (*), length < 2500 mm	≤ ±80 µm
Absolute linearity (*), length up to 4250 mm	≤ ±120 µm
Electrical zero point tolerance	±0.5 mm
Reproducibility (rounded to the LSB)	≤ 6 µm
Hysteresis (rounded to the LSB)	≤ 4 µm
Temperature error	≤ 15 ppm/K (min. 0.01 mm/K)
Supply voltage	24 (13 … 34) VDC
Power supply voltage ripple	≤ 10 % Ub
Overvoltage protection	40 VDC (permanent)
Current consumption	≤ 100 mA
Reverse polarity protection	Yes, up to the maximum supply voltage.
Short circuit protection	Yes (outputs to GND and supply voltage up to 7V)
Ohmic load at the outlets	> 120 Ω
Max clock frequency.	2 MHz
Insulation resistance (500 VDC)	≥ 10 MΩ
Safety and compliance
MTTF (IEC 60050)	347 years
Accordance	EC
Electromagnetic compatibility
EN 61000-4-2	Electrostatic discharges (ESD) 4 kV, 8 kV
EN 61000-4-3	Electromagnetic fields 10 V/m
EN 61000-4-4	Fast transients (burst) 1 kV
EN 61000-4-6	Conducted disturbances induced by RF fields 10 V rms.
EN 61000-4-8	Magnetic fields at industrial frequency 3 A/m
EN 55011	Radiated disturbances, class B

Option	Meaning
Example: TH1-0800-102-211-102 = 800 mm electrical range, M18x1.5 threaded flange with zero point at 30 mm, 24-bit SSI, binary code with 5 µm resolution and 8-pole M12x1 connector.
1. Electrical range (mm)
0050 … 4250	Standard, 25 mm increments; other lengths available upon request
2 · Mechanical version
102	M18x1.5 threaded flange, zero point at 30 mm
103	3/4"-16UNF threaded flange, zero point at 30 mm
104	M18x1.5 threaded flange, zero point at 51 mm
105	3/4"-16UNF threaded flange, zero point at 51 mm
106	M18x1.5, zero point at 30 mm, with end support (*)
107	3/4"-16UNF, zero point at 30 mm, with end support (*)
108	M18x1.5, zero point at 51 mm, with end support (*)
109	3/4"-16UNF, zero point at 51 mm, with end support (*)
3 · Electrical interface
2	SSI
4 · SSI output signal (2__)
1	SSI 24 bit
2	SSI 25 bit
7	SSI 26 bit (25 = alarm, 26 = even parity), on request
5 · Synchronous serial interface (2__)
1	Binary code; resolution 5 µm
2	Gray code; 5 µm resolution
4	Binary code; resolution 1 µm
5	Gray code; resolution 1 µm
7	Binary code; resolution 10 µm
8	Gray code; resolution 10 µm
6. Electrical connection
101	Connector M16x0.75 (IEC 130-9), 8 poles
102	M12x1 connector, 8 poles
103	Connector M16x0.75 (IEC 130-9), 6 poles
108	M16x0.75 connector (IEC 130-9), 7-pin (SSI only)
201	8-wire cable, shielded, 1 m
203	8-wire cable, shielded, 3 m
205	8-wire cable, shielded, 5 m
The code is formed using one option from each field, in the order shown in the example. Contact us and we will confirm the exact reference.