| CPU | |
| CPU | 80188, 40MHz or compatible |
| SRAM |
384K bytes |
| Flash Memory | 512K bytes |
| EEPROM | 2K Bytes |
| Built-in Watchdog Timer | Yes |
| Communication Interface | |
| COM1 | RS-232 (TXD, RXD, RTS, CTS, GND) |
| COM2 | RS-485 (D2+, D2-) |
| COM3 | RS-485 (D2+, D2-) |
| COM4 | RS-485 (D2+, D2-) |
| COM5 | RS-485 (D2+, D2-) |
| Ethernet Port | 10BASE-T NE2000 compatible Ethernet Controller |
| COM Port Formats | |
| Data bit | 7, 8 |
| Parity | Even, Odd, None |
| Stop bit | 1 |
| Baud Rate | 115200 bps Max. |
| LED Display | |
| 5-Digit 7 Segment LED Display | Yes (for I-7188E5D-485 only) |
| System LED Indicator | Yes |
| Dimensions | |
| I-7188E5(D)-485 | 123mm x 72mm x 33mm |
| Operating Environment | |
| Operating Temperature | -25°C to +75°C |
| Storage Temperature | -40°C to +80°C |
| Power | |
| Protection | Power reverse polarity protection |
| Required Supply Voltage | +10 to +30V/DC (non-regulated) |
| Power consumption |
2W for I-7188E5-485 3W for I-7188E5D-485 |
