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The IL MOD BK DI8 DO4-PAC serves as an inline bus coupler designed for Modbus/RTU communication, equipped with a D-SUB-9 female connector. This device supports 8 digital inputs and 4 digital outputs operating at 24 V DC, utilizing a 3-conductor connection technology. The transmission speed in the local bus is capable of reaching 500 kbps to 2 Mbps, ensuring efficient data handling.

With a degree of protection rated at IP20, the device is suitable for industrial applications where environmental exposure is limited. The coupler is designed to accommodate a maximum of 63 supported devices per station, and up to 61 local bus devices can be connected, including two onboard I/Os. It features electrically isolated supply and direct shielding to functional ground, enhancing operational reliability.

In terms of performance, the digital inputs adhere to EN 61131-2 type 1 standards, with a typical response time of approximately 500 µs. The digital outputs incorporate short-circuit and overload protection, with a maximum output current of 2 A per module. Operational conditions allow for a temperature range from -25 °C to 60 °C and a humidity range of 10% to 95% non-condensing, making it versatile for various industrial environments.