Installation, Operation and Maintenance Manual
MAN712 Rev. 9
June 2021
Typical Connections
Section 9: Typical Connections
95
9.2.2
Example 2 – Typical Connection
This example shows the ELBS-20 in a remote connection application.
•
The ELBS-20 is connected to another equipment (DCS, Logic Solver, PLC, etc.).
—
MODBUS
—
Digital Inputs
—
Digital Outputs
—
Analog Output
•
External Power Supply is available (the Battery Pack is used as back up).
•
The ELBS-20 monitors both the pressure (external pressure transducer) and the
position (external position sensor).
•
The ELBS-20 manages two “standard” SOVs (Relay contacts are used) to initiate the
Safety Action.
Figure 25