Performance Parameters
| Physical Features CTH2 231-0HC32 | |
| Dimension（W×H×D） | 71.3×96×62mm |
| LED indicator | 24V Power supply Good: ON = no fault, OFF = no power |
| Power Consumption | |
| +5VDC power loss | 87mA |
| L+ | 17mA |
| L+Coil voltage range | 20.4～28.8VDC |
| Power Consumption | 2W |
| Analog input features | |
| Input number | 4 |
| Isolated(field side to logical circuit) | Optical isolation：500VAC，1 minute |
| Input type | differential input |
| Voltage range | |
| Voltage input（unipolarity） | 0～10V, 0～5V |
| Voltage input（bipoliarity） | ±5V，±2.5V |
| Current input | 0～20mA |
| Data format | |
| Unipolarity，full scale | 0～32000 |
| Bipoliarity，full scale | -32000～32000 |
| Resolution ratio input | |
| Voltage input（unipolarity） | 2.5mV（0～10V）；1.25mV（0～5V） |
| Voltage input（bipoliarity） | 2.5mV（±5V）；1.25mV（±2.5V） |
| Current input | 5μA（0～20mA） |
| Transfer time | Less than 300μs |
| Analog input response time | 1.5ms |
| Common mode rejection | 40dB，DC 60Hz |
| Common mode voltage | voltage of sensor signal+common mode voltage（less than or equal to 12V） |
| Input impedance | No less than 10MΩ |
| Max.voltage input | 30V |
| Max.current input | 30mA |
| Physical Features CTH2 231-5HF32 | |
| Dimension（W×H×D） | 71.3 × 96 × 62mm |
| LED indicator | 24V Power supply Good: ON = no fault, OFF = no power |
| Power Consumption | |
| +5VDC power loss | 87mA |
| L+ | 50mA |
| L+Coil voltage range | 20.4～28.8VDC |
| Power Consumption | 2.5W |
| Analog input features | |
| Input number | 8 |
| Isolated(field side to logical circuit) | Optical isolation |
| Input type | differential input |
| Voltage range | |
| Voltage input（unipolarity） | 0～10V, 0～5V |
| Voltage input（bipoliarity） | ±2.5V（channel 0~7） |
| Current | 0~20mA（channel 6~7） |
| Data format | |
| Unipolarity，full scale | 0～32000 |
| Bipoliarity，full scale | -32000～32000 |
| Resolution ratio input | |
| Voltage input（unipolarity） | 2.5mV（0～10V）；1.25mV（0～5V） |
| Voltage input（bipoliarity） | 2.5mV（±5V）；1.25mV（±2.5V） |
| Analog to digital conversion time | 10ms |
| Eight channel switching time | 100ms |
| Common mode rejection | 40dB，DC – 60Hz |
| Common mode voltage | -12V≤voltage of sensor signal+Common mode voltage≤+12V |
| Input impedance | voltage：≥2MΩ
current：250Ω |
| Max.voltage input | 30VDC |
| Max.current input | 32mA |
| A/D conversion resolution | unipolarity：12bit；bipoliarity：11bit+sign bit |
| measurement error | 0.5%（max） |
| Isolation（Isolated(field side to logical circuit)
） |
500V AC |
| Analog input addressing | AIW addressing |
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