GE VMIVME-3230 Gas turbine output card

The module transfers up to 26 words to the processor’s data table file. The words contain module status and input data from each channel. When a BTR of length 0 is programmed, the module returns 18 words. Important: Words 19 through 26 are optional, and are accessed only by programming a BTR length greater than 18 words. Words 19 through 26 are only valid if in period/rate or continuous/rate modes. In any other mode words 19 through 26 are zero.

Chapter Objectives

In this chapter you will read about:

 • reading data from your module

 • module read block transfer format Block transfer read (BTR) programming moves status and data from the input module to the processor’s data table (Table 5.A). The processor user program initiates the request to transfer data from the module to the processor.

New data bits. 

Indicates that a store register (BTR words 1118) has been updated. These bits are reset by a 0 to 1 transition of the new data acknowledge bits in BTW word 1, bits 47. Bit 04 corresponds to counter 0, bit 05 to counter 1, etc. Bits 0815 (Bits 1017) Diagnostic byte. Always in BCD. This byte indicates the number of the first word in the BTW file that was incorrect. Refer to chapter 7 for other diagnostic error codes returned by the module. Bits 0007 Status bits for outputs. Bit 00 corresponds to output 0, bit 01 to counter 2, etc. Bit = 0  output OFF Bit = 1  output ON

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