Yokogawa RotaMASS 3-Series User Manual

Page 144

APPENdIX 3. OPErATION OF EACH PArAMETEr IN FAILUrE MOdE

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IM 01R04B05-00E-E 3rd edition July 30, 2010 -00

2. Alarm Mask Switch Settings
Some alarms can be disabled and enabled us-

ing switches in parameter aLaRM_PERFoRM
inside the transducer block as explained below.

(1) Setting

as shown in the following table, the indi-

vidual bits of aLaRM_PERFoRM at relative
index 125 act as switches to disable and
enable particular alarms. Write zeros to the
respective bits to disable desired alarms, or
write ones to enable them.

(2) default Values

See the table below. .

TA0303.EPS

unused bit

PID

IT2

IT1
AI6

AI5

AI4

AI3

AI2(A-24,W-22,W-42,W52)

AI1(A-23,W-21,W-41,W51)

Factory Default

(0 = Disable; 1 = Enable)

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Bit 7

Bit 6
Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Bit in ALARM_PERFORM

Corresponding Alarms

0
0

these default bit statuses comprise 0xxxxx as the default value of aLaRM_PERFoRM