System Interface - Hitachi 902 Service Manual

16.1 Overview................................ . ............................... . ............................... . ...............16-1
16.2 Communications Functions................................ . ............................... . ...................16-4
16.3 Frames................................ . ............................... . ............................... . ..................16-7
16.4 Data Transmission Control Procedure ................................ . ............................... . ..16-9
16.4.1 Establishment of Data Link ................................ . ............................... . ...16-9
16.4.2 Response to Information ................................ . ............................... . .......16-9
16.4.3 Response to Information Message ................................ . ........................16-10
16.4.4 Termination and Restart of Communication................................ . ..........16-16
16.4.5 Priority................................ . ............................... . ............................... . ...16-17
16.4.6 RESULT ONLY Mode ................................ . ............................... . ...........16-17
16.4.7 Retry of Communication................................ . ............................... . ........16-18
16.5 Status Transition ................................ . ............................... . ............................... . ...16-19
16.5.1 Status Transition Matrix (only in mon-transfer of analytical data alone).16-19
16.5.2 Status Transition Matrix (in transfer of analytical data alone).................16-21
16.5.3 Status Transition Diagramm (analytical data)................................ . ........16-23
16.6 Text Configuration Table................................ . ............................... . .......................16-24
16.6.1 Composition of Each Text................................ . ............................... . .....16-25
16.6.2 Contents of Text................................ . ............................... . ....................16-38
16.7 Error Check Function ................................ . ............................... . ............................... 1 6-42
16.8 Specification of Communication Trace................................ . ............................... . ..16-43
16.8.1 Overview ................................ . ............................... . ............................... 1 6-43
16.8.2 Trace Data ................................ . ............................... . ............................ 1 6-43
16.8.3 Trace Data Storage Timing ................................ . ............................... . ...16-43
16.8.4 Resetting of Trace Data ................................ . ............................... . ........16-44
16.8.5 Trace Data Storage Capacity ................................ . ............................... . 16-44
16.8.6 Other ................................ . ............................... . ............................... . .....16-44
16.9 Hardware Specifications ................................ . ............................... . .......................16-44
16.9.1 Overview................................ . ............................... . ............................... 1 6-44
16.9.2 RSDIST PC Board ................................ . ............................... . ................16-45
16.9.3 Interface Signal ................................ . ............................... . .....................16-47
16.9.4 RS-232C Comunication ................................ . ............................... . ........16-48
16.9.5 Current Loop ................................ . ............................... . .........................16-50
16.9.6 Communicator Monitor ................................ . ............................... . ..........16-50
16.9.7 Data Alarm Code List ................................ . ............................... . ............16-51
16.

SYSTEM INTERFACE

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