| | SIMATIC DP, EXPANSION MODULE EM 144 FOR ET 200X, IP66/67 2AI, PT100, 12 BIT+SIGN, WITH DIAGNOSIS BY CHANNEL 2/3/4-WIRE CONNECTION |
| |
| Input current |
| from backplane bus 5 V DC, max. | 40 mA |
| Power losses |
| Power loss, max. | 0.9 W |
| Analog inputs |
| Number of analog inputs | 2 |
| permissible input voltage for voltage input (destruction limit), max. | 30 V |
| Constant measurement current for resistance-type transmitter, typ. | 1.5 mA |
| Input ranges |
| Resistance thermometer | Yes |
| Input ranges (rated values), resistance thermometers |
| Pt 100 | Yes; Standard |
| Input resistance (Pt 100) | 10 MΩ |
| Characteristic linearization |
| Parameterizable | Yes |
| Cable length |
| Cable length, shielded, max. | 30 m |
| Analog value creation |
| Analog value display (parameterizable) | Yes; S7 Format / S5 Format |
| Measurement principle | integrating |
| Integrations and conversion time/ resolution per channel |
| Resolution with overrange (bit including sign), max. | 12 bit; + sign; overrange 17.5% |
| Integration time, parameterizable | Yes |
| Integration time, ms | 16.7 / 20 ms |
| Encoder |
| Connection of signal encoders |
| for resistance measurement with 2-conductor connection | Yes |
| for resistance measurement with 3-conductor connection | Yes |
| for resistance measurement with 4-conductor connection | Yes |
| Errors/accuracies |
| Operational limit in overall temperature range |
| Voltage, relative to input area | +/- 1,2 % |
| Current, relative to input area | +/- 1,2 % |
| Resistance-type thermometer, relative to input area | +/- 1,2 % |
| Interrupts/diagnostics/status information |
| Alarms |
| Diagnostic alarm | Yes |
| Limit value alarm | Yes; upper limit, channel by channel/ lower limit channel by channel |
| Hardware interrupt | Yes |
| Diagnostic messages |
| Diagnostics | Yes |
| Wire break | Yes; channel by channel |
| Overflow/underflow | Yes; channel by channel |
| Diagnostics indication LED |
| Group error SF (red) | Yes |
| Galvanic isolation |
| Galvanic isolation analog inputs |
| Galvanic isolation analog inputs | No |
| Connection method |
| Inputs/outputs | 4/5-pin M12 circular connectors |
| Dimensions |
| Width | 87 mm; Width module 60 mm |
| Height | 110 mm |
| Depth | 55 mm |
| Weight |
| Weight, approx. | 250 g |
| Status | Feb 27, 2012 |
