9
A state of BFM#735
ON
（
1
）
OFF
（
0
）
b0
：
Error
When b1 ~ b15 any error occurs, this flag is 1
(b1 ~ b2 in any one of 1, stop all channel AD
converter)
Correct
b1
：
Save
－
－
b2
：
Hardware fault
AD converter or other hardware failure
Hardware normal
b3
：
Set value backup error
When the interference and the MTC due to an
internal error occurs, the flag will change
to 1. Then if you turn the power off, still
not be clear error, please contact the sales
agent or our
Data backup normal
b4
：
The cold end
temperature compensation
error
b5
：
AD transform digital
range errors
AD transform digital output value is less than -1
or greater than 4096, the flag is 1
Digital output value is
normal
b6
：
Set data recovery error
When the interference and the MTC due to an
internal error, if error reading backup data, the
flag is 1
－
b7
：
Save
－
－
b8
～
b15 Broken accidentally
detection (only support
thermocouple)
1 ~ 4 channel thermocouple broken
accidentally, the flag is 1
No broken
accidentally wrong
channel
* 7. #736: error address setting value range. Incorrect BFM area code is displayed.
* 8. #737: reflects the current cold end temperature.
* 9. #738 ~ #741: status word for each channel. Shows the error state and control state of each
channel, #738 corresponds to channel 1, #739 corresponds to channel 2, and so on. See table 1-7
for specific information.
Table 1-7 each channel error status and control of the state
Bite
Definition
ON
（
1
）
OFF
（
0
）
b0
～
b3
Alarm 1 ~ 4 state
Alarm
No alarn
b4
Sign of Initialization
complete
Initialization complete
Initialization
unfinished
b5
Self-tuning state
Self-tuning state
Status of no
self-tuning
b6
Control state
Control state
uncontrolled state
b7
Control completion status The temperature reaches setting and
in a stable state
Incomplete control
b8
～
b15
Save
－
－
1.5.2 Channel characteristics set
MTC-04-NVT buffer (BFM) channel characteristics set as table1-8
Table 1-8 MTC-04-NVT buffer (BFM) channel characteristics set
BFM
Content
Remarks
Natu
re
Sav
e
CH1 CH2 CH3 CH4
#200
Restore factory setting*1
Default value
：
0
R/W
N
