ALSTOM MFAC34N1AA0001A Channel input card

There are several commands that may be issued to the RSTL to select operating conditions. Each must be followed by a CR LF (ASCII 13, 10). The following two commands set the scaling values used by the RSTL in calculating correct programming and readback values. These have no effect in the HEX or %FULL SCALE modes. If not set properly the RSTL will return erroneous readback data and will program the supply incorrectly. The result is stored in nonvolatile memory.These commands may be explicitly spelled out in the command string sent to the ESS RSTL, but only those letters that are capitalized are actually needed. The rest are ignored.

INQUIRY COMMANDS 

There are several inquiry commands used to check the operating conditions of the RSTL. Each command must have as its first character a question mark (?). Each must be followed by a CR LF (ASCII 13, ASCII 10). Each of these commands will result in a message being placed in the output buffer. The length of the returned message is determined by the setting of the BACKTALK bit

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