Emerson 2468CB Manuel D’Utilisation
Hydrastep 2468CB and 2468CD Manual
Delay Relay Output Board Option
24685034
3b-1
3b
Delay Relay Output Board Option
Contents
Page No.
3B.1 GENERAL
DESCRIPTION ........................................................................................ 3
3B.2 INSTALLATION
......................................................................................................... 3
3B.2.1
STORAGE & PRE-INSTALLATION INSPECTION ................................... 3
3b.2.1.1 Storage Area ............................................................................... 3
3b.2.1.2 Pre-Installation Inspection
........................................................... 3
3B.2.2 MECHANICAL
INSTALLATION ................................................................ 4
3b.2.2.1 Fitting the Nylon Spacers to the Delay Relay Output Board ....... 4
3b.2.2.2 Mounting the Delay Relay Output Board on to the Input Board . 4
3B.2.3 ELECTRICAL
INSTALLATION ................................................................. 5
3b.2.3.1 PCB Interconnections ................................................................. 5
3b.2.3.2 Relay Output Connections .......................................................... 5
3B.3 DELAY
RELAY
BOARD CONFIGURATION ............................................................ 6
3B.3.1 DELAY
RELAY
OUTPUT BOARD ............................................................ 7
3b.3.1.1 Configuring the Delay Relay Output Board ................................. 7
3b.3.1.2 Electrode/Relay Selection (Relays RL1, RL2, RL3 & RL4) - SW1
to SW4 ........................................................................................ 7
3b.3.1.3 Relay Energisation (‘In Steam’ or ‘In Water’) - SW5 ................... 8
3b.3.1.4 Electrode/Alarm Operation (RL1 function only) - SW6 ............... 8
3b.3.1.5 System Fault Output ................................................................... 8
3b.3.1.6 Delay Circuit Configuration ......................................................... 9
3b.3.1.7 Configuring the Delay Circuit Split Pads ................................... 10
3B.3.2 ALARM
AND
TRIPPING FACILITIES ..................................................... 11
3b.3.2.1 Philosophy
................................................................................. 11
3b.3.2.2 Relay Interconnections for Alarm/Tripping Systems ................. 11
3b.3.2.3 ‘One out of Two’ Relay Alarm System ...................................... 12
3b.3.2.4 ‘Two out of Two’ Relay Alarm System ...................................... 13
3b.3.2.5 ‘Two out of Four’ Relay Alarm System ..................................... 14
3b.3.2.6 ‘Two out of Four’ Relay Alarm System (contd.) ........................ 15
3b.3.2.7 ‘Two out of Three’ Relay Alarm System ................................... 16
3B.4 COMPONENT
REPLACEMENT ............................................................................. 17
3B.4.1 REPLACEMENT
OF NYLON SPACERS ................................................ 17
3B.4.2
PARTS LIST - DELAY RELAY OUTPUT BOARD 24680509 ................ 17