Yokogawa Button Operated MV2000 - Manual (Page 152)

6-2 M-4662
6.2 Status Information Bit Structure
The MV returns the following four status information groups in response to an IS
command, which is a status information output request command. For the output format,
see “Status Information” in section 5.2, “Text Data Output Format.”
Status Information 1
Bit Name Description
0 Basic setting Set to 1 when the MV is in Basic Setting Mode.
1 Memory sampling Set to 1 while the MV is acquiring data to the internal
memory.
2 Computing Set to 1 while the MV is computing.
3 Alarm activated Set to 1 while an alarm is active.
4 Accessing medium Set to 1 while the MV is saving a display, event, manual
sampled, report, or screen image data file to an external
storage medium.
5 E-mail started Set to 1 while the MV is sending e-mail.
6 – –
7 – –
Status Information 2
Bit Name Description
0 – –
1 – –
2 Memory end Set to 1 while the free space in the internal memory or
external storage medium is low.
3 Logged in through keys Set to 1 while logged in through keys.
4 – –
5 – –
6 Detecting measurement
error Set to 1 while the A/D converter is detecting an error or
burnout.
7 Detecting communication
error Set to 1 if any command is stopping the communication on
the Modbus master or Modbus client.
Status Information 3
Bit Name Description
0 Measurement dropout Set to 1 when the MV cannot keep up with measurements.
1 Decimal place/unit
information change Set to 1 when the decimal place or unit information is
changed.
2 Command error Set to 1 when there is a command syntax error.
3 Execution error Set to 1 when an error occurs while executing a command.
4 SNTP error when memory
start is executed Set to 1 when the time cannot be adjusted using SNTP
when the MV starts memory sampling.
5 – –
6 – –
7 – –