| Specifications |
| Communication |
| Interface | RS-485 Modbus RTU, DCON |
| Format | (N, 8, 1), (N, 8, 2), (E, 8, 1), (O, 8, 1) |
| Baud Rate | 1200 ~ 115200 bps |
| Protocol | Modbus RTU, DCON |
| Dual Watchdog | Yes, Module (1.6 Seconds), Communication (Programmable over Modbus RTU) |
| LED Indicators/Display |
| System LED Indicator | Yes, 1 LED as Power/Communication Indicator |
| I/O LED Indicators | - |
| Yes, 8 LEDs as Digital Input/Relay Output Indicators |
| 7-Segment LED Display | - |
| Isolation |
| Intra-Module Isolation, Field-toLogic | 3750 Vrms |
| EMS Protection |
| ESD (IEC 61000-4-2) | ±4 kV Contact for each Terminal |
| ±8 kV Air for Random Point |
| EFT (IEC 61000-4-4) | ±2 kV for Power Line |
| Surge (IEC 61000-4-5) | - |
| Protocol |
| Support Modbus and DCON Protocol | Yes |
| Power |
| Reverse Polarity Protection | Yes |
| Input Range | 10 ~ 30 VDC |
| Consumption | 1 W |
| Mechanical |
| Dimensions ( W x L x H) | 72 mm x 123 mm x 35 mm |
| Installation | DIN-Rail or Wall mounting |
| Environment |
| Operating Temperature | -25°C ~ +75°C |
| Storage Temperature | -40°C ~ +85°C |
| Relative Humidity | 10 ~ 95% RH, non-condensing |
| I/O Specification |
| Relay Output |
| Channels | 4 (Form A x 2, Form C x 2) |
| Relay Type | Single Relay |
| Form A Relay | Contact Rating | 0.6 A @ 125 VAC |
| 2 A @ 30 VDC |
| Min. Contact Load | 10uA @ 10 mV |
| Contact Material | Gold-plated silver |
| Operate Time | 3 ms |
| Release Time | 2 ms |
| Mechanical Endurance | 1 x 10^8 ops. |
| Electrical Endurance | 5 x 10^5 ops. |
| Form C Relay | Contact Rating | 0.6 A @ 125 VAC |
| 2 A @ 30 VDC |
| Min. Contact Load | 10uA @ 10 mV |
| Contact Material | Gold-plated silver |
| Operate Time | 3 ms |
| Release Time | 2 ms |
| Mechanical Endurance | 1 x 10^8 ops. |
| Electrical Endurance | 5 x 10^5 ops. |
| Surge Strength | 1500 VDC |
| Power-on Value | Yes |
| Safe Value | Yes |
| Digital Input/Counter |
| Channels | 4 |
| Type | Dry Contact | 0 |
| Wet Contact | Sink/Source |
| On Voltage Level | +1 VDC Max. |
| Off Voltage Level | +4 ~ 30 VDC |
| Counters | Max. Count | 65535 (16-bit) |
| Max. Input Frequency | 100 Hz |
| Min. Pulse Width | 5 ms |
| Input Impedance | 3 KO |
| Overvoltage Protection | ±35 VDC |
