| Specifications |
| Digital Input |
| Channels | 8 |
| Input Type | Dry Contact: Source, Wet Contact: Sink or Source |
| Dry Contact Level | Off Voltage Level : Open
On Voltage Level : Close to GND |
| Wet Contact Level | Off Voltage Level : +4V max.
On Voltage Level : +10 V ~ +50 V |
| Input Impedance | 10 K Ohms, 0.5 W |
| Counters | channels : 8
Max. Counts : 16-bit (65535)
Max. Input Frequency : 100Hz
Min. Pulse Width : 5ms |
| Photo-Isolation | 3750 VDC |
| Digital Output |
| Channels | 8, Sink(NPN) |
| Output Voltage | +3.5 ~ +50 V |
| Output Current | 700mA per channel, Direct drive power relay module |
| Intra-module Isolation, Field to Logic | 3750 VDC |
| Overvoltage Protection | 60 VDC |
| Overload Protection | Yes |
| Short-circuit and Overcurrent Protection | 1.4 A |
| Thermal Overload trip temperature | 150 °C |
| Interface |
| Interface | RS-485 |
| Format | N, 8, 1 |
| Baud Rate | 1200 ~ 115200bps |
| LED Display |
1 LED as Power/Communication indicator
8 LEDs as Digital Input indicators and 8 LEDs as Digital Output indicators (for I-7055D-NPN) | | Power |
| Input Voltage Range | 10 ~ 30 VDC |
| Power Consumption | 1.2W (I-7055-NPN)/2.2W (I-7055D-NPN) |
| EMS Protection |
| ESD (IEC 61000-4-2) | ±4 kV Contact for each terminal,
±8 kV Air for random point |
| EFT (IEC 61000-4-4) | ±4 kV for 16DO and Power
±2 kV for RS-485 port |
| Surge (IEC 61000-4-5) | ±3 kV for power liner |
| Environment |
| Operating Temperature | -25 ~ 75°C |
| Storage Temperature | -40 ~ 85°C |
| Humidity | 10 ~ 95% RH, non-condensing |
