D1-15P
MODBus module with 6 PT100 input channels
The D1 product family I/O modules enable an easy and economical setup of an accurate and reliable data acquisition system. The communication between I/O modules and the supervisory PC is based on a RS422/RS485 serial link with a Modbus (ASCII or RTU) protocol; a complete line of serial converters and repeaters ( C1-line ) with triple optical isolation guarantees the safety of data transmission even when there is strong interference and noise.
The D1-15P module provides 6 input channels for reading of temperature through 2 or 3 wire Pt100 sensors, with automatic compensation of the cable resistance; the ramp conversion circuit ensures a reliable reading with a 15 bit resolution and a 0.05% full scale accuracy; the module does not require calibration and mantains its characteristics of accuracy; an internal watch-dog circuit ensures a non-stop operation; interface type (RS422 or RS485), communication protocol (Modbus ASCII or RTU) and address (from 1 to 31) can be set through microswitches; the module is suited for mounting on a DIN rail.
| General specifications | |
| Power supply: | • From 18 to 36VDC, 70mA@ 24VDC |
| Power supply protections: | • Against surge and polarity inversion |
| Operating environment: | • Temperature: from 0 to +70°C. Relative humidity: from 25 to 85% (non condensing) |
| Operating atmosphere: | • Without corrosive gas |
| Storage temperature: | • From -20 to +80°C (without ice) |
| Electromagnetic compatibility: |
• Radio frequency emissions: EN55011 Group 1 Class A • Conducted emissions: EN55011 Group 1 Class A • Radio frequency immunity: ENV50140 10V/m AM from 80 to 1000MHz • Conducted immunity: ENV50141 10V/m AM from 0,15 to 80MHz |
| IP grade: | • Connectors: IP20, enclosure: IP20 |
| Signalling LED's: | • Power on, self-test, serial Tx/Rx |
| Mounting: | • DIN EN50022 rail |
| Dimensions: | • WxHxD 150x110x60mm |
| Weight | • 350g |
| Analog input specifications | |
| Sensor type: | • 6 PT100 sensors, IEC751, 2 or 3 wires |
| Power supply for external sensors | • |
| Analog/Digital conversion: | • Ramp, 15bit resolution |
| Current shunt resistor: | • |
| Maximum PT100 resistance: | • 310 Ohm |
| Overall accuracy: | • ± 0,05% full scale |
| Acquisition rate: | • 1s (all six channels) |
| Maximum line resistance: | • 20 Ohm |
| Full Scale temperature range | • From -199,9 to 500°C |
| Communication Interface specifications | |
| Communication interface: | • EIA RS422 or RS485 (selectable by jumper) |
| Communication speed: | • 9600 or 19200 baud (selectable by dip-switches) |
| Communication protocol: | • MODBus ASCII or MODBus RTU (selectable by dip-switches) |
| Device address: | • From 1 to 63 (selectable by dip-switches) |
| 422/485 line protection: | • Against surge |
| Functionality specifications | |
| Watch-Dog: | • Hardware |
