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1/03 UDC 6300 Process Controller Product Manual 131

4.14 Communications Set Up Group, Continued

Table 4-13 Communications Group Definitions, continued

Lower Display

Prompt

Upper Display

Range of Setting

or Selection

Parameter

Definition

BOX MODE

Overall Mode of UDC6300

Operation

BASIC

FULL

BOX MODE — You can set the overall mode of operation

which will determine the level of interaction allowed from

the TDC to the UDC6300.

BASIC MODE — Permits only monitor operation from the

TDC.

FULL MODE — Permits control operations including mode

changes and Output and Setpoint overrides.

SHEDTIME

1 to 255

SHED TIME — The number that represents how many

sample periods there will be before the controller sheds

from communications. Each period equals 1/3 second or

0 = No shed.

SHEDMODE

LAST

TO MAN

FSAFE

ToAUTO

SHED CONTROLLER MODE AND OUTPUT LEVEL

FOR LOOP 1

— Determines the mode of local control you

want when the controller is shed from the communications

link.

LAST — SAME MODE AS BEFORE SHED — The

controller will return to the same mode (manual or

automatic) that it was in before shed.

TO MAN — TO MANUAL MODE BUMPLESS OUTPUT —

The controller will return to manual mode at the same

output level that it had before shed.

FAILSAFE — TO MANUAL MODE, FAILSAFE OUTPUT

— The controller will return to manual mode at the output

value selected at “CONTROL” prompt “FAILSAFE”.

ToAUTO — To automatic mode.

SHED SP

TO LSP

TO CSP

SHED SP FOR LOOP 1 — Shed setpoint recall.

TO LSP — Controller will use last local SP used.

TO CSP — Controller will use computer setpoint.

CSP RATIO

–20.00 to 20.00

LOOP 1 COMPUTER SETPOINT RATIO — Computer

Setpoint ratio for Loop 1.

CSP BIAS

–999.0 to 9999

LOOP 1 COMPUTER SETPOINT BIAS — Computer

Setpoint Bias for Loop 1.

RCASMODE

485TDCSDI only

SPC

DDC

M/A STN

REMOTE CASCADE OPTION FOR LOOP 1 — Lets you

select a Remote Cascade control architecture.

SPC (Supervisory Control) — The setpoint of the

secondary controller is controlled by a higher level

(Primary) controller.

DDC (Direct Digital Control) — The Output of the

secondary controller is controlled by the Output of the

higher level (Primary) controller.

MANUAL AUTO STATION—Allows the control loop to

behave as a Manual Auto Station whereby only manual

control is available at the UDC and Auto control is

performed in a computer or PLC.

Table 4-13 continued on next page

1 2 ... 140 141 142 143 144 145 146 147 148 149 150 ... 301 302

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