238-2BC00 - Signal modules analog | Combination modules
Order no. |
238-2BC00 |
| Type | SM 238C, Digital In-/Output, Counter, Analog In-/Output |
General information |
|
| Note | - |
| Features | 16 (12) digital inputs 0 (4) digital outputs max. 3 counter 4 analog inputs 2 analog outputs |
Current consumption/power loss |
|
| Current consumption from backplane bus | 280 mA |
| Power loss | 5.5 W |
Technical data digital inputs |
|
| Number of inputs | 16 |
| Cable length, shielded | 1000 m |
| Cable length, unshielded | 600 m |
| Rated load voltage | - |
| Current consumption from load voltage L+ (without load) | - |
| Rated value | DC 20.4...28.8 V |
| Input voltage for signal "0" | DC 0...5 V |
| Input voltage for signal "1" | DC 15...28.8 V |
| Input voltage hysteresis | - |
| Frequency range | - |
| Input resistance | - |
| Input current for signal "1" | 7 mA |
| Connection of Two-Wire-BEROs possible |  |
| Max. permissible BERO quiescent current | 1.5 mA |
| Input delay of "0" to "1" | 3 ms |
| Input delay of "1" to "0" | 3 ms |
| Number of simultaneously utilizable inputs horizontal configuration | 16 |
| Number of simultaneously utilizable inputs vertical configuration | 16 |
| Input characteristic curve | IEC 61131-2, type 1 |
| Initial data size | 16 Byte |
Technical data digital outputs |
|
| Number of outputs | 4 |
| Cable length, shielded | 1000 m |
| Cable length, unshielded | 600 m |
| Rated load voltage | DC 20.4...28.8 V |
| Reverse polarity protection of rated load voltage | - |
| Current consumption from load voltage L+ (without load) | 20 mA |
| Total current per group, horizontal configuration, 40°C | 4 A |
| Total current per group, horizontal configuration, 60°C | 2 A |
| Total current per group, vertical configuration | 4 A |
| Output voltage signal "1" at min. current | L+ (-125 mV) |
| Output voltage signal "1" at max. current | L+ (-0.8 V) |
| Output current at signal "1", rated value | 1 A |
| Output delay of "0" to "1" | 150 µs |
| Output delay of "1" to "0" | 100 µs |
| Minimum load current | - |
| Lamp load | 5 W |
| Parallel switching of outputs for redundant control of a load | not possible |
| Parallel switching of outputs for increased power | not possible |
| Actuation of digital input | |
| Switching frequency with resistive load | max. 1000 Hz |
| Switching frequency with inductive load | max. 0.5 Hz |
| Switching frequency on lamp load | max. 10 Hz |
| Internal limitation of inductive shut-off voltage | L+ (-52 V) |
| Short-circuit protection of output | yes, electronic |
| Trigger level | 1.5 A |
| Number of operating cycle of relay outputs | - |
| Switching capacity of contacts | - |
| Output data size | 16 Byte |
Technical data analog inputs |
|
| Number of inputs | 4 |
| Cable length, shielded | 200 m |
| Rated load voltage | DC 24 V |
| Reverse polarity protection of rated load voltage | |
| Current consumption from load voltage L+ (without load) | 70 mA |
| Voltage inputs | |
| Min. input resistance (voltage range) | 120 kΩ |
| Input voltage ranges | +1 V ... +5 V 0 V ... +10 V -10 V ... +10 V -400 mV ... +400 mV -4 V ... +4 V |
| Operational limit of voltage ranges | +/-0.3% ... +/-0.7% |
| Operational limit of voltage ranges with SFU | - |
| Basic error limit voltage ranges with SFU | +/-0.2% ... +/-0.5% |
| Basic error limit voltage ranges with SFU | - |
| Destruction limit voltage | max. 15V |
| Current inputs | |
| Max. input resistance (current range) | 90 Ω |
| Input current ranges | +4 mA ... +20 mA 0 mA ... +20 mA -20 mA ... +20 mA |
| Operational limit of current ranges | +/-0.3% ... +/-0.8% |
| Operational limit of current ranges with SFU | - |
| Basic error limit current ranges | +/-0.2% ... +/-0.5% |
| Radical error limit current ranges with SFU | - |
| Destruction limit current inputs (electrical current) | max. 50mA |
| Destruction limit current inputs (voltage) | max. 15V |
| Resistance inputs | |
| Resistance ranges | 0 ... 600 Ohm 0 ... 3000 Ohm |
| Operational limit of resistor ranges | +/-0.4% |
| Operational limit of resistor ranges with SFU | - |
| Basic error limit | +/-0.2% |
| Basic error limit with SFU | - |
| Destruction limit resistance inputs | max. 15V |
| Resistance thermometer inputs | |
| Resistance thermometer ranges | Pt100 Pt1000 Ni100 Ni1000 |
| Operational limit of resistance thermometer ranges | +/-0.4% ... +/-1.0% |
| Operational limit of resistance thermometer ranges with SFU | - |
| Basic error limit thermoresistor ranges | +/-0.2% ... +/-0.5% |
| Basic error limit thermoresistor ranges with SFU | - |
| Destruction limit resistance thermometer inputs | max. 15V |
| Thermocouple inputs | - |
| Thermocouple ranges | - |
| Operational limit of thermocouple ranges | - |
| Operational limit of thermocouple ranges with SFU | - |
| Basic error limit thermoelement ranges | - |
| Basic error limit thermoresistor ranges with SFU | - |
| Destruction limit thermocouple inputs | - |
| Programmable temperature compensation | - |
| External temperature compensation | - |
| Internal temperature compensation | - |
| Temperature error internal compensation | - |
| Technical unit of temperature measurement | °C |
| Resolution in bit | 16 |
| Measurement principle | Sigma-Delta |
| Basic conversion time | 7 ms - 272 ms |
| Noise suppression for frequency | 50 Hz and 60 Hz |
| Initial data size | 8 Byte |
Technical data analog outputs |
|
| Number of outputs | 2 |
| Cable length, shielded | 200 m |
| Rated load voltage | DC 24 V |
| Reverse polarity protection of rated load voltage | |
| Current consumption from load voltage L+ (without load) | 70 mA |
| Voltage output short-circuit protection | |
| Voltage outputs | |
| Min. load resistance (voltage range) | 1 kΩ |
| Max. capacitive load (current range) | 1 µF |
| Max. inductive load (current range) | 30 mA |
| Output voltage ranges | -10 V ... +10 V +1 V ... +5 V 0 V ... +10 V |
| Operational limit of voltage ranges | +/-0.4% ... +/-0.8% |
| Basic error limit voltage ranges with SFU | +/-0.2% ... +/-0.4% |
| Destruction limit against external applied voltage | max. 15V |
| Current outputs | |
| Max. in load resistance (current range) | 500 Ω |
| Max. inductive load (current range) | 10 mH |
| Typ. open circuit voltage current output | 13 V |
| Output current ranges | -20 mA ... +20 mA 0 mA ... +20 mA 0 mA ... +20 mA |
| Operational limit of current ranges | +/-0.3% ... +/-0.8% |
| Radical error limit current ranges with SFU | +/-0.2% ... +/-0.5% |
| max. 15V | |
| Settling time for ohmic load | 0.3 ms |
| Settling time for capacitive load | 1 ms |
| Settling time for inductive load | 0.5 ms |
| Resolution in bit | 12 |
| Conversion time | 1.50 ms |
| Substitute value can be applied | yes |
| Output data size | 4 Byte |
Status information, alarms, diagnostics |
|
| Status display | yes |
| Interrupts | yes |
| Process alarm | yes, parameterizable |
| Diagnostic interrupt | yes, parameterizable |
| Diagnostic functions | yes |
| Diagnostics information read-out | possible |
| Supply voltage display | green LED per group |
| Group error display | red SF LED |
| Channel error display | none |
Isolation |
|
| Between channels | - |
| Between channels of groups to | - |
| Between channels and backplane bus | |
| Between channels and power supply | |
| Max. potential difference between circuits | - |
| Max. potential difference between inputs (Ucm) | DC 4 V |
| Max. potential difference between Mana and Mintern (Uiso) | - |
| Max. potential difference between inputs and Mana (Ucm) | - |
| Max. potential difference between inputs and Mintern (Uiso) | DC 75 V/ AC 50 V |
| Max. potential difference between Mintern and outputs | - |
| Insulation tested with | DC 500 V |
Datasizes |
|
| Input bytes | 8 + 16 |
| Output bytes | 4 + 16 |
| Parameter bytes | 18 + 71 |
| Diagnostic bytes | 12 + 12 |
Housing |
|
| Material | PPE / PA 6.6 |
| Mounting | Profile rail 35 mm |
Mechanical data |
|
| Dimensions (WxHxD) | 50.8 mm x 76 mm x 88 mm |
| Weight | 150 g |
Environmental conditions |
|
| Operating temperature | 0 °C to 60 °C |
| Storage temperature | -25 °C to 70 °C |
Certifications |
|
| UL certification | yes |
| KC certification | - |
[Datasheet]
