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Reference Manual
00809-0100-4696, Rev AA
September 2004
Rosemount 848L
1-2
OVERVIEW
Transmitter The 848L provides a cost effective field mounted interface for discrete inputs
and outputs on a Foundation Fieldbus H1 network. The 848L allows you to
leverage the fieldbus network to reduce discrete input and output wiring and
eliminate the need for a separate bus for discrete inputs and outputs. The
848L can communicate with other devices on the segment to provide logic
interactions independent of any upper level controller.
The 848L also has logic capability allowing it to independently control outputs
based on the state of one or more of it's inputs or discrete signals from other
devices on the network. A Logic Block allows for up to 20 Boolean equations,
8 Inputs, and 4 Outputs.
Manual This manual is designed to assist in the installation, operation, and
maintenance of the Rosemount 848L Logic Transmitter.
Section 1: Introduction
• Overview
• Considerations
• Return of Materials
Section 2: Installation
• Mounting
• Installation
• Wiring
• Power Supply
• Commissioning
Section 3: Configuration
•F
OUNDATION fieldbus Technology
• Configuration
• Function Block Configuration
Section 4: Operation and Maintenance
• Hardware Maintenance
• Troubleshooting