Emerson 2468CD, 2468CB manual Delay Relay Output Board Option, Contents, 3b-1

Hydrastep 2468CB and 2468CD Manual Delay Relay Output Board Option

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

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