| 
 Model  | 
 MD204L  | 
| 
 Technical specifications  | 
| 
 Display  | 
 4.3"FSTN  | 
| 
 Resolution  | 
 192 x64 pixel£¨supporting display of 4 lines 12 Chinese characters£©  | 
| 
 LCM life time  | 
 Greater than 50,000 hours at 252¡É, 65¡¾10%RH  | 
| 
 Brightness   | 
 60 cd/m©÷  | 
| 
 Color  | 
 Monochromatic  | 
| 
 Contrast  | 
 Adjustable by potentiometer  | 
| 
 Backlight  | 
 Long service life yellow / green LED  | 
| 
 CPU  | 
 8-bit processor  | 
| 
 Memory  | 
 64KB flash ROM  | 
| 
 COM port  | 
 COM1: PC RS232 & PLC RS485/422 & PLC RS232  | 
| 
 Real-time clock  | 
 Optional   | 
| 
 Function key  | 
 20 keys, customizable(including 12 numeric input keys)  | 
| 
 Printer port  | 
 N/A  | 
| 
 Allowable power failure  | 
 Within 20ms  | 
| 
 Power supply  | 
 12~24 VDC ¡¾10£¥ <150mA @ 24VDC  | 
| 
 Interference immunity test  | 
 Voltage 1500Vp-p£¬Pulse cycle 1us£¬Duration 1s  | 
| 
 Dielectric strength  | 
 500V AC (1 min)  | 
| 
 Isolation resistance  | 
 Exceed 10M at 500V DC  | 
| 
 Vibration endurance  | 
 10 to 25 Hz(x, y, z direction, 2G, 30 minutes)  | 
| 
 Protection class  | 
 IP65 front panel  | 
| 
 Operating temperature  | 
 0 ¢¦ 50 ¡ÆC  | 
| 
 Operating humidity  | 
 20 ¢¦ 90 % RH (non-condensing)  | 
| 
 Storage temperature  | 
 -20 ¡ÆC ~70 ¡ÆC  | 
| 
 Enclosure  | 
 Engineering plastic ABS + PC  | 
| 
 Dimensions(W x H x D)  | 
 172 ¡¿ 95 ¡¿ 30mm  | 
| 
 Display size(W x H)  | 
 101 ¡¿ 36 mm  | 
| 
 Panel cutout dimension  | 
 165 ¡¿ 86mm  | 
| 
 Cooling method  | 
 Natural air cooling  | 
| 
 Weight  | 
 0.3 Kg  | 
| 
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