VCIOM-05044
Page 17 of 75
DIgITal EPIC-2 TEChnICal Manual
InstallatIon and operatIng InstructIons
TablE 1 - PrOOf TEsT sTEPs
step
action
1
Read the DEPIC-2 ESD data record using either a haRT handheld device or DTM software.
Solve any active faults before proceeding (Failure alerts and alarms).
2
Bypass the valve, or isolate or take other appropriate action to avoid a false trip, following appropriate
procedures.
3
Inspect the DEPIC-2 valve/actuator/solenoid for dirty or clogged ports and other physical damage.
4
De-energize the DEPIC-2 and observe that the actuator and valve move. Energize the DEPIC-2 after
the valve has moved to its full stroke length. This will automatically collect a Full-Stroke Signature
if enabled which can be evaluated against a Baseline Signature.
5
Inspect the DEPIC-2/valve/actuator/solenoid for dirt, corrosion or excessive moisture. Clean if
necessary and take corrective action to properly clean the air supply. It has to be done in order to
avoid incipient failures due to dirty air.
6
Record any failures in your company’s SIF inspection database. Restore the loop to full operation.
7
Remove bypass or otherwise restore normal operation.
5.5 dEPIC-2 Esd PrOduCT safETy
The DEPIC-2 ESD is intended for use with
industrial compressed air systems only.
Ensure that an adequate pressure relief
provision is installed where the application of
system supply pressure may cause peripheral
equipment malfunctioning. Installation must
be in accordance with local and national
compressed air and instrumentation codes.
5.5.1 general installation, maintenance or
replacement
• Products must be installed in compliance
with all local and national codes and
standards by qualified personnel using safe
site work practices. Personal Protective
Equipment (PPE) must be used per safe site
work practices.
• Ensure proper use of fall protection when
working at heights, per safe site work
practices. use appropriate safety equipment
and practices to prevent the dropping of tools
or equipment during installation.
• under normal operation, compressed air
is vented to the surrounding area, and may
require additional precautions or specialized
installations if used in areas with potentially
explosive atmospheres.
This test should detect approximately 99% of
possible dangerous undetected failures in the
DEPIC-2 (Proof Test Coverage).
The person(s) performing the proof test of a
DEPIC-2 must be trained in SIS operations,
including bypass procedures, maintenance
and appropriate procedures.
aTTENTION
Before using these products with fluids/
compressed gases other than air or for
non-industrial applications, consult the
factory. This product is not intended for
use in life support systems.
aTTENTION
Do not use damaged instruments.
aTTENTION
Installation in poorly ventilated confined
areas, with any potential of gases other
than oxygen being present, can lead to a
risk of personnel asphyxiation.
use only genuine replacement parts which
are provided by the manufacturer, to guarantee
that the products comply with the essential
safety requirements of the European Directives
mentioned on the front cover.
Changes to specifications, structure, and
components used may not lead to the revision
of this manual unless such changes affect the
function and performance of the product.
Copyright © Crane Co. All rights reserved.
