Scalance S (Security) module offers a reliable and comprehensive security solution that is designed to reduce complexity by offering user friendly configuration. The compact and metal construction design incorporates industrial grade Ethernet and power connectors that reduce the maintenance costs. This security module controls the data traffic between internal and external networks, protecting devices on an Ethernet Network from unauthorized access and unnecessary communication load.

The Scalance S module offers protection for up to 64 devices and can have 127 VPN channels simultaneously. A Firewall can be used as an alternative or to supplement VPN with flexible access control. In addition to bridge mode, it can also be operated in router mode and be used to connect separate IP subnets.

Designed to survive the harsh environments of the factory floor, this module offers an extended temperature range from -4° to +158°F (-20° to +70°C). The security module is offered with an option of adding a 32MB EPROM to store the configuration or application data.