HP E42 manual Measurement Output Format, BUS Commands

Model 5328A

Operation

3-75.MEASUREMENT OUTPUT FORMAT

3-76. The 5328AF/096/H42 transmits the following string of characters to output a measurement:

3 - 77 . BUS COMMANDS

3-78. The 5328AF/096/H42 obeys the following HP-1 B Universal Commands and Addressed Commands (ASCII codes shown in parenthesis and in Table 3-6).

a. Universal Commands:

LLO Local Lockout (ASCII DC1)

Disables all programmable front panel controls including reset. Go To

Local (GTL) must be programmed to return to manual control.

DCL Device Clear (ASCII DC4)

Resets the programmed state of the counter to the codes shown in bold face in the program code set. Has the same effect as the program code “P”.

SPE Serial Poll Enable (ASCII CAN)

Sets the counter to the serial poll mode. When addressed to talk during the serial poll mode, the 5328A produces a status byte to indicate its condition. If the counter has completed a measurement and it requesting service, the status byte contains a “1” in bit 7 (decimal value 64). If the counter has not requested service, the status byte will be “0” in all bits. When addressed to talk in the serial poll mode, the counter will immediately stop requesting service.

SPD Serial Poll Disable (ASCII EM)

Terminates the serial poll mode. The 5328A can resume its normal data output mode.

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