Emerson VE6043S6C2 26-ports switch two 1 Gbps and Twenty-Four 100 Mbps ports

This section provides general information on DeltaV SIS hardware. Refer to the Installing

Your DeltaV Distributed Control System manual for more information on DeltaV system hardware.

DeltaV SIS Hardware

The DeltaV SIS process safety system consists of the following hardware:

• Redundant Logic Solvers (SLS 1508) and termination blocks

• SISNet Repeaters (see separate product data sheet)

• Carrier extender cables

• Local peer bus extender cables

• Right 1-wide carrier with termination

Logic Solvers (SLS 1508) contain the logic-solving capability and provide an interface

to 16 I/O channels that can be configured as Discrete Input, Discrete Output, Analog Input

(HART) and HART two-state output channels. Logic Solversand termination blocks

install on the 8-wide carrier.

Logic Solvers communicate with each other through thecarriers over a two-channel,

local peer bus (SISnet) and remotepeer ring. Local Logic Solvers are hosted by the same DeltaV

controller and remote Logic Solvers are hosted by a different DeltaV controller.

Logic Solvers are powered by a 24 V DC power supply that is separate from the

power supply that drives the DeltaV controller and I/O. Logic Solvers install

in odd-numbered slots (1.3.5.7) on the 8-wide carrier.

Redundant Logic Solvers use four slots.

SISNet Repeaters extend communication beyond the localLogic Solvers connected

to one DeltaV controller and broadcast global messages to remote

SLS 1508 Logic Solvers through a fiber-optic ring Carrier extender cables

extend Local Bus power and signals between 8-wide carriers.

Local peer bus extender cables extend the local peer bus (SISNet) between

SLS 1508 Logic Solvers on different carriers. 1-wide carrierswith terminators

terminate the local peer bus at the final carrier. For additional information

please consult DeltaV SISNet Repeater product datasheet.

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