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						| Model | M-7028 | M-7028D |  
						| Communication |  
						| Interface | RS-485 |  
						| Bias Resistor | Yes |  
						| Format | (N, 8, 1) (N, 8, 2) (E, 8, 1) (O, 8, 1) |  
						| Baud Rate | 1200 to 115200 bps |  
						| Protocol | Modbus RTU, DCON |  
						| Dual Watchdog | Yes, Module (1.6 Seconds), Communication (Programmable) |  
						| LED Indicators/Display |  
						| System LED Indicator | Yes, 1 LED as Power/Communication Indicator |  
						| I/O LED Indicators | - | 8 LEDs as Analog Output and Fault Indicators |  
						| 7-Segment LED Display | - |  
						| Isolation |  
						| Intra-module Isolation, Field-to-Logic | 3000 VDC |  
						| EMS Protection |  
						| ESD (IEC 61000-4-2) | ±8 kV Contact for each Terminal |  
						| RS Immunity (IEC 61000-4-3) | 3 V/m, 80 MHz ~ 1 GHz |  
						| EFT (IEC 61000-4-4) | ±4 kV for Power Line |  
						| Surge (IEC 61000-4-5) | - |  
						| Power |  
						| Reverse Polarity Protection | Yes |  
						| Input Range | +10 ~ +30 VDC |  
						| Consumption | 4.3 W | 4.8 W |  
						| Mechanical |  
						| Dimensions (L x W x H) | 123 mm x 72 mm x 35 mm |  
						| Installation | DIN-Rail or Wall Mounting |  
						| Environment |  
						| Operating Temperature | -25 to +75°C |  
						| Storage Temperature | -40 to +85°C |  
						| Humidity | 10 to 95% RH, Non-condensing |  |