Technical Specifications

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Masoneilan Valves ValVue ESD Instruction Manual =| 305

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9 1 0 CALIBRATION

_FAILED

3 No Yes No Cali-

bra-

tion

Failed

1- Calibration

of the input

sensors was

outside the

acceptable

range when

attempting to

calibrate.

1- Using preci-

sion measur-

ing

equipment,

perform cali-

bration

according to

boundary lim-

its of input

sensors.

10 1 1 FIND_

STOPS_

FAILED

3Yes, If

the

“find

stops”

pro-

cess

com-

pletes

suc-

cess-

fully

Yes No Find

Stops

Failed

1- When cali-

brating stops

(Zero / Span)

the travel sen-

sor moved

outside the

acceptable

limits

2- A proce-

dure timeout

occurred due

to an

extremely

large volume

of actuator to

displace.

3- Valve posi-

tion could not

stabilize when

de-energizing

or when ener-

gizing the

actuator.

1- Using Val-

Vue ESD or

HART Host,

verify that

travel sensor

counts is 0 +/-

1000 with the

valve closed.

For a 90°

valve, mea-

sured sensor

count is done

at 50% travel.

2- Using Val-

Vue ESD or

HART Host,

perform a

Manual Stop

calibration.

3- Verify that

air supply is

adequate.

Verify that

accessories

(boosters,

quick-exhaust

s, etc.) are not

creating insta-

bility.

Table 8 SVI II ESD Fault Matrix (Continued)

Seque

nce

Byte

#

Bit

#

FAULT Name Critical-

ity Of

Alarm

Auto-

mati-

cally

cleared

Can be

cleare

d

Per-

sists

across

resets

TEXT

For DD

&

Val-

Vue

ESD2

English

Probable

Cause

English

Recom-

mended

Action