Download Engineering Standard | SAES-J-904
![Engineering-Standard-SAES-J-904](https://i0.wp.com/ebizglow.com/wp-content/uploads/2020/07/Engineering-Standard-SAES-J-904.jpg?resize=708%2C564&ssl=1)
FOUNDATION Fieldbus (FF) Systems
This standard defines the requirement for design, specification, installation,
configuration, commissioning and maintenance for FOUNDATION™ Fieldbus based control systems. This specification will only discuss the voltage mode (parallel coupling) 100 ohm medium attachment unit, as defined in IEC 61158- 2, operating at a signal speed of 31.25 kilobits per second (i.e., H1).