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| PRODIS-TDC Digital Process Meter for Time-of-Flight Sensors * For Sensors with pulse output: * Automatic sensor parameter upload at power-on - no calibration necessary * Integrated sensor supply * 6-digit LED display * RS-232 interface * Optional 4 comparator outputs * Easy programming Description PRODIS-TDC displays measurement values of magnetostrictive position sensors, programmable scaling is provided to display units like mm or inch. The request signal will be sent to the sensor periodically. The time between the start pulse and the stop pulse will be counted by a high-resolution time-digital-converter (TDC). When used with POSICHRON sensors the calibration parameters of the sensor will be uploaded to the meter at power-on. This avoids a calibration when the sensor has been changed. A tare function or programming lock can be activated with two control terminals. Sensor excitation is supplied from the meter. Optional comparator functions with 4 NPN open-collector outputs are available, additional 2 of them have relay output. Display 6 - digit, 7-segment-LED, 14 mm high, decimal point programmable 24 V DC 10%/150 mA, residual ripple 1%ss 85-250 V AC/180 mA max. 1 ... 5 ms, adjustable 24 V DC/300 mA or 5 V DC/500 mA INIT, INIT (RS422) STSP, (RS422) 2 control inputs, active low 250 V AC/5 A, 30 V DC/5 A 24 V max./50 m A to GND Terminal strip 12-pole, excitation 3-pole -10 ... +40 C -20 ... +85 C 24 VDC: 250 g approx., 230 VAC: 400 g approx. Front IP60, rear IP40 Max. 95% R.H, non condensing Directive 73/23/EWG: DIN EN 61010:1994-03 Directive 89/336/EWG Specifications Excitation voltage/current Sampling rate Sensor excitation Start pulse input Measurement pulse input Control inputs Comparator outputs (option) Relay NPN Connection Operating temperature Storage temperature Weight Protection class Humidity Safety of equipment Electromagnetic compatibility Order code PRODIS-TDC Model Name Excitation Voltage 24VDC = 24 V DC 230VAC = 85...250 V AC Comparator (option) REL2 PD-TDC Order example: PD - TDC - 24VDC 50 CAT-PC-E-04 Tel.: +49-8123-986-0 Fax: +49-8123-986-500 www.asm-sensor.com ASM GmbH PRODIS-TDC Digital Process Meter for Time-of-Flight Sensors Programmable Parameters / value range Divisor, Multiplier, offset, limit values Other programmable parameters 0 up to 999999 Wave speed, average function, edge evaluation, use with several magnets, difference evaluation, decimal point position, display brightness Signals Wiring basic equipment Sensor excitation +UB Sensor excitation 0 V (GND) Control input terminal1, active low Control input terminal2, active low Not used INIT output request pulse INIT output request pulse STSP input measurement pulse STSP input measurement pulse Do not connect! GND PD-TDC-24VDC Excitation +24 V Excitation 0 V (GND) PD-TDC-230VAC Excitation Protective ground Connector X1 Pin no. 1 2 3 4 5/6 7 8 9 10 11 12 Connector X2 Pin no. 13 14 13, 15 14 5 .......1 RS-232 1 ................................12 13 14 15 PD-TDC-24VDC Rear view without comparator outputs X1 X2 13 14 15 PD-TDC-230VAC X1 X2 Level RS-232: 8 V, galvanically isolated 1 startbit, 8 data bits, 1 stopbit, no parity 9600 Baud Connector X3 Pin no. 17 16 18 DSUB Pin no. 2 3 5 RS-232 interface Data format Transmission rate Signals TxD RxD GND ASM GmbH Tel.: +49-8123-986-0 Fax: +49-8123-986-500 www.asm-sensor.com CAT-PC-E-04 51 PRODIS-TDC Digital Process Meter for Time-of-Flight Sensors 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 Rear view with comparator outputs X3 X4 RS-232 Comparator Comparator function (option) Comparator 1 Comparator output NPN Connector X3 collector pin no. NPN1 20 Relay Relay 1 NO NC Common Relay2 NO NC Common Connector X4 pin no. 25 27 26 LED LED1 Comparator 2 NPN2 21 LED2 28 30 29 Comparator 3 Comparator 4 NPN3 NPN4 NPN GND NPN UB (+24V) 22 23 24 19 Signals Sensor circuit Cable PRODIS-TDC PRODIS-TDC generates a request pulse via the INIT line. The position sensor responds with a START and a STOP signal. Position value x = t(x) * vs To calculate the position value the time interval t(x) must be multiplicated with the conversion factor vs on the type label. When ASM POSICHRONa sensors are used the conversion factor vs will be uploaded at power-on. 52 CAT-PC-E-04 Tel.: +49-8123-986-0 Fax: +49-8123-986-500 www.asm-sensor.com ASM GmbH PRODIS-TDC Digital Process Meter for Time-of-Flight Sensors Outline drawing LED1 LED2 Control panel cutout acc. to DIN 43700 PD - TDC - 24VDC PD - TDC - 230VAC Dimensions informative only For guaranteed dimensions consult factory! ASM GmbH CAT-PC-E-04 53 Tel.: +49-8123-986-0 Fax: +49-8123-986-500 www.asm-sensor.com |
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