5
MTC-08-NT user terminal is shown in figure 1-3
Figure 1-3 MTC-08-NT user terminal diagram
The definition of MTC-08-NT user terminal is shown in table 1-1
Table 1-1 MTC-08-NT terminal definitions
1.3 Light description
The indicator description is shown in Table 1-2
Table 1-2 indicator description
Name
Status
Definition
24V
ON
24V power on
OFF
24V power off
RUN
Flash quickly
（
10Hz
～
15Hz
）
Normal
Flash slowly
（
0.5Hz
～
1Hz
）
There is an error. See
BFM#735 for the error status
information
LED1
～
8
（
OUT1
～
OUT8
）
ON
The corresponding channel
Mark
Definition
24V
－
Power supply 24V positive
24V+
Power supply 24V negative
Ground
485
－
RS485 negative terminal
485+
RS485 positive terminal
L1+
～
L8+
Channel 1 to 8 are positive for thermocouple (thermal resistance) signal
input
L1-
～
L8-
Channel 1 to 8 are negative for thermocouple (thermal resistance) signal
input
LR1-
～
LR8-
Channel 1 ~ 8 are negative for thermal resistance signal input
OUT1
～
OUT8
Channel 1 ~ 8 output control terminal
COM0
OUT1
～
OUT4 output common ground
COM1
OUT5
～
OUT8 output common ground
