| 
 Model  | 
 EM231 4 inputs × 12 bits  | 
| 
 Product Description  | 
 4AI,24V DC,Resolution:12bits, High immunity,stable  | 
| 
 Technical Specification  | |
| 
 From bus current consumption  | 
 20mA  | 
| 
 From L+ current consumption  | 
 60mA  | 
| 
 Power loss  | 
 2W  | 
| 
 Number of analog Inputs  | 
 4  | 
| 
 Input type  | 
 Differential  | 
| 
 Voltange input range: Unipolar  | 
 0~5v,0~10V  | 
| 
 Voltange input range: Bipolar  | 
 ±2.5V,±5V  | 
| 
 input range:current  | 
 0~20mA  | 
| 
 Resolution  | 
 12 bit  | 
| 
 Bipolar,full-scale range  | 
 -32,000 to +32,000  | 
| 
 Unipolar, full-scale range  | 
 0 to +32,000  | 
| 
 Cable Length (unShielded)  | 
 300m  | 
| 
 Input impedance  | 
 ≥10M Ω Voltage Input  | 
| 
 250 Ω Current Input  | |
| 
 Isolation tested for contact (field to logic)  | 
 No  | 
| 
 Analog to digital conversion time  | 
 <250µs  | 
| 
 Common-mode rejection  | 
 40db,DC to 60Hz  | 
| 
 Common-mode voltage  | 
 Signal voltage + Common-mode voltage≤12V  | 
| 
 Maximum input voltage  | 
 30V DC  | 
| 
 Maximum input current  | 
 32mA  | 
| 
 Dimensions(W x H x D)(mm)  | 
 71.2×80×62  | 
| 
 Order Number  | 
 231-OHC22-0XA0  | 
