Measurement Specialties 9116 User Manual

Pressure Systems, Inc.                                                                                        Model 9116 User’s Manual 
 
 

 

Page 13 

 

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Each NetScanner

 System module contains a Diagnostic Port that supports diagnostic and 

operational functions.  The Diagnostic Port has only a simple RS-232 asynchronous serial 
interface. The connections are made via certain pins of its common circular connector.  Cable 
connection should be made according to Table 2.1. 
 

 
 
 

Diagnostic Port Connector 

GND 

Tx 

Rx 

 
 
 
 
 
The RS-232 interface is capable of supporting simple asynchronous communications with fixed 
parameters of 9600 baud, no parity, 8 data bits, and 1 stop bit.  Only communication cable 
lengths less than 30 feet (10 m) are recommended.   
 
The Model 9116 uses the diagnostic interface for optional configuration and diagnostic 
purposes only.  The diagnostic port functions on the Model 9116 is generally not required by the 
end user.  Standard cables for this module do not include diagnostic port connections.  
 

 

 
All pneumatic connections to Model 9116 are found on the instrument top panel.  The function 
of each input port is clearly engraved or printed next to each input.  Connections are through 
bulge tubing, compression fittings, or special user-supplied fittings on the tubing plate.  All 
pneumatic inputs to the Model 9116 should contain only dry, non-corrosive gas.  
 
All Model 9116 standard Intelligent Pressure Scanners are supplied with the  purge/leak check 
calibration manifold.  Through software commands, this valve may be placed in one of four 
positions; RUN, CAL, PURGE, or LEAK-CHARGE.  Pneumatic input requirements for these 
four operating positions are described in the following sections.