Triguard SC300E PDD24 Power Distribution
Panel
Revision 04
008-5104-04
User Manual
This manual covers the following item:
Model Reference
Part Number
PDD24 031-1055
Use of DANGER,WA R NI N G,CAUTION
, and NOTE
This publication includes, DANGER,WA R NI NG,CAUTION
or
related
DANGER
WA RN I NG
CAUTION
NOTE
Although DANGER and WA R NI N G hazards are related to personal injury, and CAUTION hazards are associated with
equipment
conditions,
DANGER,WA R N I NG
All trade references are duly acknowledged.
other important information.
Hazards which could result in severe personal injury or death
Hazards which could result in personal injury
Hazards which could result in equipment or property damage
Alerts user to pertinent facts and conditions
or
property damage, it should be understood that operation of damaged equipment could, under certain operational
result in degraded process performance leading to personal injury or death. Therefore, comply fully with all
, and CAUTION notices.
TRADEMARKS
, and NOTE information where appropriate to point out safety
008-5104-04
PDD24 Power Distribution Panel User Manual
Tab le of Contents
TAB LE OF CONTENTS
Chapter 1 - Introduction and technical data
1.1 Purpose..................................................................................................................... 1-1
1.2 Specification ............................................................................................................ 1-2
1.3 Environmental specifications................................................................................... 1-3
1.4 Transport and handling ............................................................................................ 1-3
Chapter 2 - Technical description
2.1 Physical .................................................................................................................... 2-1
2.1.1
External connectors................................................................................. 2-1
2.2 Theory of operation ................................................................................................. 2-2
Chapter 3 - Servicing
3.1 Scope........................................................................................................................ 3-1
3.2 Diode testing and replacement................................................................................. 3-1
3.2.1
Diode testing and replacement with the system shut down .................... 3-1
3.2.2
Diode testing and replacement with the system live............................... 3-2
3.2.3
Relay testing and replacement ................................................................ 3-2
3.3 Preventive maintenance ........................................................................................... 3-3
Chapter 4 - Service support
4.1 Spare parts................................................................................................................ 4-1
4.2 List of spares ............................................................................................................ 4-1
Chapter 5 - Glossary of terms
5.1 Glossary of terms ..................................................................................................... 5-1
008-5104-04
i
PDD24 Power Distribution Panel User Manual
Ta bl e of Contents
ii
008-5104-04
PDD24 Power Distribution Panel User Manual
008-5104-041-1
Section 1.1 Purpose
Chapter 1Introduction and technical data
1.1 Purpose
The Power Distribution Panel (PDD24) provides diode auctioneering of 24Vdc field supplies to
a redundant supply for field devices via termination cards, or any suitable SC300E remote
give
devices.
from
The redundant supply is distributed using standard plug-to-plug two-core power cables
48
indicating/alarm monitored fuse outputs.
Figure 1-1. PDD24 - Front view
Figure 1-2. PDD24 - Rear view
PDD24 Power Distribution Panel User Manual
1-2008-5104-
04
Chapter 1 Introduction and technical data
1.2 Specification
A fuse blown LED on the PDD24 indicates the failure of any of the fuses. A fuse blown alarm
signal from two sets of volt free changeover relay contacts is available at the rear of the PDD24.
Optionally,
fuse blown LED a single fuse blown indicator for an entire cabinet.
the fuse blown alarm for up to 24 termination cards can be combined, making the
This document is intended to provide a general understanding of the function of the Power
Distribution Panel, sufficient to enable basic maintenance operations to be effected in the field.
Model
Power inputs Dual 24Vdc nominal, 33V maximum
Fuse fault inputs 24 x fuse fault inputs
Outputs 24Vdc via 48 individually fused outlets
Power rating
Diode pack Replaceable spare
Fuse rating All fuses 7.5A
Indication Common ‘fuse blown’ LED and volt-free contacts
Alarm relay contacts 100V ac/dc 1A resistive load
Overall size (mm)
Overall size (inches)
Weight 2kg
PDD24
30A maximum distributed over the 48 outlets with
a maximum temperature of +60°C and a 6A
continuous maximum per outlet
30W 60VA reactive load
Replaceable spare
133(3U)H x 483W x 90D
5.24H x 19W x 3.54D
Loading...