Digital Watchdog D2363D Manual de usuario descargar pdf (Pagina 7)

PSS 21H-1B2 B3

Page 7

SPEC 200 Control Interfacing

For migration of SPEC 200 control to I/A Series

systems, the Control Processor 30 interfaces via a

single or redundant I/A Series Fieldbus with the

SPEC 200 Control Integrator subsystem. This

subsystem consists of individual Control Integrators,

and Fieldbus Isolators attached within the SPEC 200

rack.

Control is via the software resident in the Control

Integrator and in the SPEC 200 I/O Equipment

Control Blocks (ECBs) operating at the CP level.

Figure 8 illustrates a typical configuration with

multiple Control Integrators in the SPEC 200

subsystem. (Refer to PSS 21H-7R1 B3 SPEC 200

Control Integrators for additional information.)

Figure 8.

Twinaxial Fieldbus SPEC 200 Control Subsystem Interface Configuration (Typical Configuration)

CONTROL

PROCESSOR

30**

SSFBI*

TCA

TO/FROM

PROCESS DEVICE(S)

TERMINATING

RESISTOR

FIELDBUS*

ABBREVATIONS:

TCA = Termination Cable Assembly

SSFBI = SPEC 200 Single Fieldbus Isolator

* OPTIONALLY REDUNDANT

** OPTIONALLY FAULT-TOLERANT

N = UP TO 24 CARDS

CONTROL

INTEGRATOR N

CONTROL

INTEGRATOR 1

SPEC 200

RACK 1

SSFBI*

TO/FROM

PROCESS DEVICE(S)

N = UP TO 24 CARDS

CONTROL

INTEGRATOR N

CONTROL

INTEGRATOR 1

SPEC 200

RACK 2

TERMINATING

RESISTOR

1 2 3 4 5 6 7 8 9 10 11 12

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