MEATEST, s.r.o.
M-142 Multifunction Calibrator
User Manual v54
101
Standard Status Data Structures
All status registers are defined by the IEEE-488.2 standard. The programmer has access to Status Register,
Enable Register and Output Queue in the M142 Calibrator.
Status data structure of M142 Calibrator contains following registers:
STB – Status Byte Register
SRE – Service Request Enable Register
ESR – Event Status Register
ESE – Event Status Enable Register
Output Queue
STB Status Byte Register
The summary messages from the Event Status Register and Output Queue are used to set or clear the appropriate
bits (B4 and B5) of the Status Byte Register. These bits do not latch, and their states (0 or 1) are solely
dependent on the summary messages (0 or 1). For example, if the Standard Event Register is read, its register
will clear. As a result, its summary message will reset to 0, which in turn will clear the ESB bit in the Status Byte
Register.
Bit configuration of Status Byte Register :
