Emerson 2468CD User Manual

Hydrastep 2468CB & 2468CD Manual 

Opto-isolated Output Board Option

 

 

3c.2.1.1 Storage Area ............................................................................... 3 

3c.2.1.2 Pre-installation Inspection ........................................................... 3 

3c.2.2.1  Fitting Nylon Spacers to the Opto-Isolated Output Board .......... 4 

3c.2.2.2 Mounting the Opto-Isolated Output Board on to the Input Board 4 

3c.2.3.1 PCB Interconnections ................................................................. 5 

3c.2.3.2 Opto-Isolated Output Connections.............................................. 5 

3c.3.1.1 Electrode/Opto-Output Selection (Opto-1, Opto-2, Opto-3 & 

Opto-4 Outputs) - SW1 to SW4 .................................................. 7 

3c.3.1.2 Electrode/Alarm Operation (output 1 function only) - SW6 ......... 8 

3c.3.1.3  Opto-Isolated Output Activation (‘In Steam’ or ‘In Water’) -   

SW5 ............................................................................................ 8 

3c.3.1.4 System Fault Output ................................................................... 8 

3c.3.2.1 Philosophy 

................................................................................... 9 

3c.3.2.2 Opto-Output Interconnections for Alarm/Tripping Systems ........ 9 

3c.3.2.3  ‘One out of Two’ Opto-output Alarm System ............................ 10 

3c.3.2.4  ‘Two out of Two’ Opto-output Alarm System ............................ 11 

3c.3.2.5  ‘Two out of Four’ Opto-output Alarm System ............................ 12 

3c.3.2.6  ‘Two out of Three’ Opto-output Alarm System .......................... 13