Error Registers - Hioki SM7860-01 Instruction Manual

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3.5 Communication Methods

Error Registers

bit 7
PON
bit 7
MLE: Message Length Error
DFE: Data Format Error
CNE: Can Not Execute
BDE: Environment Backup was Damaged (RAM)
Bit No.
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
The Error Register, which consists of 8 bits, manages error information. The
contents of this register are aggregated in the CME, EXE, DDE, and QYE bits of
the Standard Event Status Register (no mask processing is performed).
Error register-related message are listed below.
*CLS
Clears the following registers:
•
Status Byte Register
•
Standard Event Status Register
•
Error Register
ERR?
Queries and clears the Error Register.
bit 6 bit 5 bit 4
−
MLE HDE DFE
URQ CME EXE
bit 6 bit 5 bit 4
Error Register structure
Name Event/status indicated by set bit
−
Unused
MLE
Message Length Error
Set when the message length exceeds the allowable range.
The bit is reset after the register is read.
HDE Message Header Error
Set when an unrecognizable message header is received.
The bit is reset after the register is read.
DFE Data Format Error
Set when the number of parameters exceeds the stipulated number or
when there is an unrecognizable parameter.
The bit is reset after the register is read.
DRE Data Range Error
Set when a parameter falls outside the stipulated range.
The bit is reset after the register is read.
CNE Unexecutable command
Set when an unexecutable command is received.
The bit is reset after the register is read.
ISE Internal communication Error
Set when an internal communication error occurs.
The bit is reset after the register is read.
BDE Environment Backup was Damaged
Set when data stored in the instrument's backup RAM is corrupted.
The bit is reset after the register is read.
bit 3 bit 2 bit 1 bit 0
BDE Error Register
DRE CNE ISE
OPC Standard Event Status Register
DDE QYE RQC
bit 3 bit 2 bit 1 bit 0
HDE: Header Error
DRE: Data Range Error
ISE: Internal communication Error