 |
SIMATIC S7-200, RTD INPUT MOD. EM 231, FOR S7-22X CPU ONLY, 2AI, PT100/200/500/1000/10000 NI100/120/1000, CU10, RESISTANCE 150/300/600 OHM 15 BIT+ SIGN |
| Input current |
| from load voltage L+ (without load), max. |
60 mA |
| from backplane bus 5 V DC, max. |
87 mA |
| Power losses |
| Power loss, typ. |
1.8 W; Sensor: 1 mW |
| Analog inputs |
| Number of analog inputs |
2 |
| permissible input voltage for voltage input (destruction limit), max. |
30 V; 30 V DC (probe), 5 V DC (source) |
| Loop resistance cable |
20 Ω; max. 2.7 Ohm for Cu |
| Updating time (all channels) |
405 ms; 700 ms with Pt10000 |
| Input ranges |
| ● Voltage |
No |
| ● Current |
No |
| ● Thermocouple |
No |
| ● Resistance thermometer |
Yes |
| ● Resistance |
Yes |
| Input ranges (rated values), resistance thermometer |
| ● Cu 10 |
Yes |
| ● Input resistance (Cu 10) |
10 MΩ |
| ● Ni 10 |
Yes |
| ● Input resistance (Ni 10) |
10 MΩ |
| ● Ni 1000 |
Yes |
| ● Input resistance (Ni 1000) |
10 MΩ |
| ● Ni 120 |
Yes |
| ● Input resistance (Ni 120) |
10 MΩ |
| ● Pt 100 |
Yes |
| ● Input resistance (Pt 100) |
10 MΩ |
| ● Pt 1000 |
Yes |
| ● Input resistance (Pt 1000) |
10 MΩ |
| ● Pt 10000 |
Yes |
| ● Input resistance (Pt 10000) |
10 MΩ |
| ● Pt 200 |
Yes |
| ● Input resistance (Pt 200) |
10 MΩ |
| ● Pt 500 |
Yes |
| ● Input resistance (Pt 500) |
10 MΩ |
| Input ranges (rated values), resistors |
| ● 0 to 150 ohms |
Yes |
| ● Input resistance (0 to 150 ohms) |
10 MΩ |
| ● 0 to 300 ohms |
Yes |
| ● Input resistance (0 to 300 ohms) |
10 MΩ |
| ● 0 to 600 ohms |
Yes |
| ● Input resistance (0 to 600 ohms) |
10 MΩ |
| Cable length |
| ● Cable length, shielded, max. |
100 m; to the sensor |
| Analog value creation |
| Measurement principle |
Sigma Delta |
| Integration and conversion time/resolution per channel |
| ● Resolution with overrange (bit including sign), max. |
16 bit; Temperature 0.1 °C / 0.1 °F |
| ● Interference voltage suppression for interference frequency f1 in Hz |
85 dB at 50 / 60 / 400 Hz |
| Displayable conversion value range |
| ● bipolar signals |
-27.648 to +27.648 |
| Errors/accuracies |
| Repeat accuracy in steady state at 25 °C (relative to input area), (+/-) |
0.05 % |
| Operational limit in overall temperature range |
| ● Voltage, relative to output area, (+/-) |
0.1 % |
| Interference voltage suppression for f = n x (f1 +/- 1 %), f1 = interference frequency |
| ● common mode voltage, max. |
0 V |
| ● Common mode interference, min. |
120 dB; At 120 V DC |
| Interrupts/diagnostics/status information |
| Diagnostics indication LED |
| ● External fault EXTF (red) |
Yes |
| ● Group error SF (red) |
Yes |
| Galvanic isolation |
| Galvanic isolation analog inputs |
| ● Galvanic isolation analog inputs |
Yes |
| Permissible potential difference |
| between inputs and MANA (UCM) |
500 V AC |
| between M internally and the inputs |
500 V AC |
| Connection method |
| Plug-in I/O terminals |
No |
| Dimensions |
| Width |
71.2 mm |
| Height |
80 mm |
| Depth |
62 mm |
| Weights |
| Weight, approx. |
210 g |
| last modified: |
25.09.2014 |
