Sony BK79700 Switch Block Control WAGO-I/O-SYSTEM 797:lle, itsevarma, DIN-kisko, IP20

Automation engineers in chemical and petrochemical plants rely on the Sony BK79700 Switch Block Control to manage intrinsically safe field signals directly within the WAGO-I/O-SYSTEM 797. This compact control block mounts on a 35mm DIN rail and integrates the internal logic and system functions, eliminating the need for separate controllers in hazardous areas.

Key specifications

• Product Type: Control Block for WAGO-I/O-SYSTEM 797
• Explosion Protection: Intrinsically Safe (Ex i), ATEX and IECEx certified
• Mounting: 35mm DIN rail
• Connection Technology: CAGE CLAMP® for internal system connections
• Operating Temperature: -20 to +60 °C
• Storage Temperature: -40 to +85 °C
• Relative Humidity: 95% (non-condensing)
• Protection Degree: IP20
• Housing Material: Polyamide 66 (PA 66), Light Gray
• Supply Voltage: Via backplane bus
• Configuration: Software-configurable via WAGO-I/O-PRO
• Isolation: Galvanic isolation

Why choose it

This control block simplifies system architecture by embedding control functions directly in the I/O node. Its intrinsically safe design ensures safe operation in explosive environments, while the rugged polyamide housing and wide temperature range guarantee reliable performance in industrial settings. With CAGE CLAMP® technology, installation is quick and maintenance-free.

Ideal use cases

• Process automation in chemical and petrochemical plants
• Material handling systems in potentially explosive atmospheres
• Remote I/O applications where space is limited

Good to know

The Sony BK79700 is part of the WAGO-I/O-SYSTEM 797, a modular platform for intrinsically safe signal processing. It is software-configurable via WAGO-I/O-PRO, allowing flexible adaptation to various field devices. The galvanic isolation enhances system safety by separating the field side from the control side.