WS7.0 Position Sensor with Absolute or Incremental Encoder Compact Industrial Sensor for Long Ranges · Measurement Range: 0 ... 3750 mm to 0 ... 40000 mm 0 ... 147.6 in to 0 ... 1574.8 in · With Absolute or Incremental Encoder Output Incremental Encoder Outputs Specifications Absolute Multiturn Encoder with synchronous serial output TSSI / RS-485 Resolution Incremental: 1, 5 or 10 pulses per mm; 25.4, 127 or 254 pulses per in TSSI: 0.073 mm up to 30000 mm range 0.088 mm up to 40000 mm range TSSI-P: 0.037 mm up to 30000 mm range 0.044 mm up to 40000 mm range Material Aluminium and Stainless Steel Cable: Stainless Steel Sensing device Linearity Incremental or Absolute Encoder Up to ±0.05 % F.S., optional ±0.01 % F.S. Weight Environmental Up to 4 kg max. Immunity to Interference (EMC) Refer to Output Specification Temperature Refer to Output Specification Order code WS7.0 Absolute/Incremental WS7.0 Model Name Measurement Range (in mm) 3750 / 5000 / 7500 / 10000 / 15000 / 20000 / 25000 / 30000 / 40000 Pulses per mm for Incremental Output PP530 10 = 10 Pulses per mm; 254 pulses per in 5 = 5 Pulses per mm; 127 pulses per in 1 = 1 Pulse per mm; 25.4 pulses per in (not in the 40000 mm range) Outputs ME = Mechanism only for installation of suitable multiturn encoders PP530 = Incremental output TSSI = Multiturn encoder with synchronous serial output TSSI-P = TSSI prgrammable, RS232C, incremental signals Other Outputs on Request (Interbus S, Profibus, CAN-Bus) Linearity L01 = ±0.01 %, related to the specified sensitivity on the label (PP530) Option M4 = M4 cable fixing Order Code Mating Conn. (see accessories p. 105) WS-CONN-D8 TSSI(-P): WS-CONN-017S-M Order Example: WS7.0 - 30000 - 5 - PP530 - M4 58 CAT-POS-E-2001 ASM WS7.0 Position Sensor with Absolute or Incremental Encoder Cable Forces typical at 20 °C Range [mm] [in] Maximum Pull-out Force [N] Minimum Pull-in Force [N] 8.0 4.2 7.0 3.4 3750 - 147.6 30000 1181.1 40000 1574.8 Outline drawing For guaranteed dimensions consult factory ASM CAT-POS-E-2001 59 WS Position Sensors Output Specification PP530 Signal Conditioner PP530 Incremental Excitation Voltage +5 ... +30 VDC Excitation Current Output Frequency 200 mA max. 200 kHz max. Output Linedriver, Push-Pull, CMOS, TTL and HTL compatible Output Current 30 mA max., Short Circuit Protection Output Voltage Depends on the excitation voltage (e.g. to obtain TTL-signals the excitation must be 5 V) Compatible to EIA RS-422/RS-485 Stability (Temperature) Operation Temperature ±0.002% / K Full Scale (sensor mechanism) -10 ... +70 °C Storage Temperature -30 ... +80 °C Transition Time Positive Edge Transition Time Negative Edge 250 ns 250 ns Protection Reverse Polarity, Permanent Short Circuit Immunity to Interference (EMC) According to EN61326: 1998 Signal Diagram Excitation + Excitation GND Signal A Encoder Signal A PP530 Signal B Signal B Signal Z (Ref. Pulse) Signal Z Posimag Others Recommended Processing Circuit Signal Levels Signal Wiring / Connection ASM Excitation Level Ia £ 5 mA Ia £ 25 mA 5V Ua High >4.2 V >4.2 V >4.1 V 5V UaLow <0.5 V <1.2 V <0.4 V <0.4 V 24 V 24 V Ua High UaLow >23.5 V <0.5 V >23.5 V <1.2 V >23.5 V <0.4 V >22.5 V <0.4 V Output Signals PP530 Connector WS-CONN-D8 Excitation + 1 Excitation GND (0V) 2 Signal B (A + 90°) Signal A 3 4 Signal B 5 Signal A Signal Z (Ref. Pulse) 6 7 Signal Z 8 -Ia £ 5 mA -Ia £ 25 mA >3.8 V Mating connector View to solder terminals WS-CONN-D8 CAT-POS-E-2001 85 WS Position Sensors Output Specification TSSI · 4096 counts per revolution (12 bit), 4096 revolutions (12 bit) · No Loss of Data at Power-down · Easy to Connect to PLC’s with SSI Input Circuit Description The sensing device of the SSI is a 24-bit absolute multiturn encoder. The position information is given by an analog/digital converter output serialized as a data word. The processing unit (PLC, Microcomputer) sends pulse sequences which clocks the data transmission at the required transfer rate. With the first falling edge of the pulse sequence the position of the sensor is recorded and stored. The following rising edges control the bit-by-bit transmission of the data word. After a delay time the next new position information Data Format (Train of 26 pulses) Signal Conditioner TSSI Absolute Encoder synchronous serial Output EIA RS-422, RS-485, short-circuit proof Excitation Voltage 10 ... 30 V DC, reverse polarity protected Excitation Current Clock Frequency 250 mA max. without load 100 kHz ... 1 MHz Code Gray, continuous progression Format Delay between Pulse Trains Tannenbaum 12 to 35 µs Stability (Temperature) ±0.002% / K Full Scale (sensor mechanism) Operation Temperature Immunity to Interference (EMC) -20 ... +85 °C According to EN50082-2, EN50081-1 Sensor Circuit Recommended Processing Input Circuit Signal Wiring / Connection (*) WS7.2 only ASM Cable Cable Length Baud Rate 50 m 100 m 100 … 1000 kHz 100 … 300 kHz Signal Name Cable Output (*) Note: Extension of the cable length will reduce the maximum transmission rate. The signals CLOCK/CLOCK and DATA/DATA must be connected in a twisted pair cable, shielded per pair and common. Connector Pin Excitation + white 7 Excitation GND (0V) CLOCK brown green 10 8 CLOCK yellow 9 grey pink 14 17 DATA DATA Subsequent Circuit CAT-POS-E-2001 89 WS Position Sensors Output Specification TSSI-P · 8192 counts per revolution (13 bit), 4096 revolutions (12 bit) · Encoder programming and data transfer via RS-232 interface · In addition sinusoidal incremental signals Description The sensing device of the SSI is a 25-bit absolute multiturn encoder. The position information is given by an analog/digital converter as a serial data word. The processing unit (PLC, Microcomputer) sends pulse sequences which clocks the data transmission at the required transfer rate. With the first falling edge of the pulse sequence the position of the sensor is recorded and stored. The following rising edges control the bit-by-bit transmission of the data word. After a delay time the next new position information will be transmitted. Data Format (Train of 26 pulses) Signal Conditioner TSSI Absolute Encoder synchronous serial, programmable Output EIA RS-422, RS-485, short-circuit proof Excitation Voltage 10 ... 30 V DC, reverse polarity protected Excitation Current Clock Frequency 250 mA max. without load 100 kHz ... 1 MHz Programmable Functions Resolution, Offset, Preset, Counting Direction, Output Code and Format Code Gray or Binary Format Delay between Pulse Trains Tannenbaum (SSI) or Serial, right aligned 12 to 35 µs Incremental Signal Two sinusoidal quadrature signals A and B, each with 512 periods per revolution. Signal amplitude approx. 1 Vss with 120 W terminating resistance Serial Interface RS-232C asynchronous (TxD, RxD, GND) for encoder programming and data transmission Preset1, Preset2, Counting Direction Hardware Programming Stability (Temperature) 002% / K Full Scale (sensor mechanism) Operation Temperature Immunity to Interference (EMC) -20 ... +85 °C According to EN50082-2, EN50081-1 Signal Name Signal Wiring / Connection 90 CAT-POS-E-2001 Connector Pin Excitation + 7 Excitation GND (0V) 10 CLOCK CLOCK 8 9 DATA 14 DATA Signal A 17 15 Signal A 16 Signal B Signal B 12 13 Internal shield 11 RxD TxD 1 4 Fault detection signal UaS 3 Preset1 Preset2 5 6 Counting direction 2 Programming Software and Connector Cable see page 104. ASM WS Position Sensors Output Specification TSSI-P Sensor Circuit Recommended Processing Input Circuit Cable Length Baud Rate 50 m 100 m 100 … 1000 kHz 100 … 300 kHz Cable Subsequent Circuit Note: Extension of the cable length will reduce the maximum transmission rate. The signals CLOCK/CLOCK and DATA/DATA must be connected in a twisted pair cable, shielded per pair and common. Incremental Signals ASM CAT-POS-E-2001 91