P-600 SIC Analyzer Manual
Chapter III: Installation and Startup
19
Figure 3-7: Upper Control Enclosure
Digital dry contacts inputs are as follows:
•
Customer Alarm
— This connection is used to stop the analysis, put the Analyzer Offline and
activate Alarm Critical and Alarm Warning relays;
•
Remote Standby
— This connection is used to place the Analyzer in a Remote Standby Mode.
Analysis will stop until the signal is removed;
•
Validation Request
— This connection is used to initiate a validation cycle;
•
Stream Select
— This connection is used to switch to Stream 2 sample;
•
Low Naphtha
— This connection is used for Analyzer’s operation;
•
Low Solvent
— This connection is used for Analyzer’s operation.
The minimum external dry contact alarm signal pulse width should be 100ms.
Digital Input
Terminals (JP2)
Function
DI0
RCC1
–
RCC2
Customer Alarm
DI1
RCC3
–
RCC4
Remote Standby
DI2
RCC5
–
RCC6
Validation Request
DI3
RCC7
–
RCC8
Stream Select
DI4
RCC9
–
RCC10
Reserved for future use
DI5
RCC11
–
RCC12
Low Naphtha
DI6
RCC13
–
RCC14
Low Solvent
DI7
RCC15
–
RCC16
Reserved for future use