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Download 620 WinLoader, Version 5.4, User Manual
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A.5 System Status Information for 620-25/35 LCs, Continued Expanded diagnostics for 620-35 LC For 620-35 LCs, to take advantage of the Expanded Serial I/O Diagnostics, the status of each Serial Link Module (SLM) is automatically posted in the controller's System Status Table. This information is available by PULLing System Status Table address 3125 (8-bit addresses 3124 and 3125 — SLM1) and address 3127 (8-bit addresses 3126 and 3127 — SLM 2). Refer to Table A-10 for a list of the information that can be found in these System Status Table addresses. Table A-10 SLM Statuses for 620-35 LC Expanded Serial I/O Diagnostics Data 0 Status SLM Not Present Definition Indicates: • processor rack does not include a 620-0085 2048 IOCM; • this SLM is not present in processor rack; or • this SLM, if present, is not active. 4/05 255 SLM Present, Not Tested Indicates that this SLM does not include firmware V.R 2.3 or higher and is therefore not capable of performing the Expanded Serial I/O Diagnostics. 16384 SLM Diagnostics Passed Indicates Expanded Serial I/O Diagnostic routines are currently passing for this SLM. 32768 SLM Diagnostics Failed Indicates Expanded Serial I/O Diagnostic routines have failed for this SLM. 620 WinLoader Programming Reference 161
