GCAN GC-3804, User Manual

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Guangcheng Technology GC-3804 user manual
Terminal Serial number Definition
+R1 1 +R1 input
-R1 2 -R1 input
+R2 3 +R2 input
-R2 4 -R2 input
+R3 5 +R3 input
-R3 6 -R3 input
+R4 7 +R4 input
-R4 8 -R4 input
Table 2.1 GC-3804 module indicator
2.3 System statusindicator
The GC-3804 module has 4 error indicators and 4 operation indicators to
indicate the operating status of the device. The specific indication function of
the indicator light is shown in Table 2.2. When the indicator is on, the GC-
3804 module status is shown in Table 2.3.
Indicator light colour Indication status
ERR green Error indication
RUN green Operating instructions
Table 2.2 GC-3804 module indicator
After the GC-3804 module is connected to the PT100 normally, the operation
indicator will light up.
Indicator light status Indication status
ERR
Always on Short circuit
not bright No error
RUN
Always on Connect correctly
not bright Open circuit
Table 2.3 GC-3804 module indicator status
2.4 Use in combination with GCAN-PLC-400/510 series
GCAN-PLC-400/510 supports programming in five languages. The following
uses ST language as an example to introduce how to use GCAN-PLC-400 to
program to read the status of the analog input of the GC-3804 module.
When the GC-3804 module performs ST programming definition, it is
necessary to define the variable type, input signal position, start character,
separator, etc. For example: "AI0 AT%I0.0:INT;", where "0.0" represents the