CSS Tech McTc Communication Driver is the driver to communicate with Modulated Current Technology Controller of CSS Technologies Co., Ltd. in Korea.
<Figure 1> is read setting example of CSS Tech McTc communication driver.
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| <Figure 1> Read setting example of CSS Tech McTc communication driver |
Device part of <Figure 1> input Com Port(COM1), Baud Rate(9600), Parity Bit(0), Data Bit(8), Stop Bit(1) respectively.
CSS Tech McTc Controller communication driver’s read schedule
Read schedule setting parameters are as follows:
1) STATION – Controller address = 0 ~ 255.
2) Read Command – Command = C( Read of current, real value = read value x 2 ), Q( Read of controller status, Refer to <Table 1> ).
3) Read Start Address – Don't care.
4) Save start address for Communication Server – Saving start address of Communication Server.
5) Read Size – Fixed to 1. ( Refert to <Table 1> )
Read schedule example)
READ, 64, C, 0, 0, 1,
Note) Real value of 'C' read command equal readed value x 2.
Read value |
read module |
Control module |
0 |
Normal |
Stop |
1 |
- |
Run |
2 |
Over Temp status |
Error status |
| <Table 1> Read contents and store value of 'C' read command | ||
CSS Tech McTc communication driver store the same data in WORD, DWORD, FLOAT, STRING memory, but the data formats are different.
If you click the icon 
in protocol option part, you
can see the dialogue box such as <Figure 2>. you can also set read schedule by
using this part.
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| <Figure 2> Example of CSS Tech McTc communication driver’s Option dialogue box |
You can set read schedule by using 
, 
, 
button and listbox
of <Figure 2>.
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| <Figure 3> Example of CSS Tech McTc communication driver’s read schedule Add/Edit dialogue box |
When you click Add button or Edit button in dialogue box of <Figure 2>, dialogue box of <Figure 3> is shown.
You can read and write by using write settings.
Bit Write
Bit write and word write have the same setting parameters except output value. ( 0 , 1 )
Word Write
Word write setting parameters are as follows:
1) PORT Port no. (0 ~ 255)
2) STATION Controller address = 0 ~ 255.
3) ADDRESS P, C, Q, A write command = save start address of readed value or status.
other command = don't care.
4) Extra1 Write command = C, Q, A, P, R, S. ( Refer to <Table 2> )
5) Extra2 Don't care.
Write command |
Contents | Controller type | Remarks |
C |
Read of current | Read module | Save current value from inputed address |
Q |
Read of controller status | Read/control module | Save controller status from inputed address status of <Table 1> |
A |
Write command alarm reset | Control module | Save alarm status value to inputed address 0 = Normal, 2 = Abnormal |
P |
Program number setting write command | 1 ~ 15 Program |
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R |
Run command |
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S |
Stop command |
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| <Table 2> Write command type and contents of CSS Tech McTc communication driver’s write command | |||
Write example 1)
Station : 64 Address : 0050 Extra1 : C, EXTRA2 :
The setting parameter shown above is an example of 'C' read command of 64 controller address. Readed value save at 50 WORD, DWORD, FLOAT memory.
Write example 2)
예2) Station : 65 Address : 0000 Extra1 : P, EXTRA2 :
The setting parameter shown above is an example of program number(1 ~ 15 = write value) setting of 65 controller address.
Write example 3)
Station : 65 Address : 0000 Extra1 : R, EXTRA2 :
The setting parameter shown above is an example of Run command of 65 controller address.
Write example 4)
Station : 65 Address : 0000 Extra1 : S, EXTRA2 :
The setting parameter shown above is an example of Stop command of 65 controller address.
Write example 5)
Station : 65 Address : 0010 Extra1 : A, EXTRA2 :
The setting parameter shown above is an example of Alarm reset command of 65 controller address. After write the reset status value saved at 10 WORD, DWORD, FLOAT memory.
Connection of RS-422 communication cable
You have to connect CSS Tech McTc's R+, R-, T+, T- connector(J20, RS-422) and T+, T-, R+, R- connector( RS-422) of computer side
Computer side J20 RS-422 connector of McTc controller side
Tx+ -------------------------------------- R+
Tx- -------------------------------------- R-
Rx+ -------------------------------------- T+
Rx- -------------------------------------- T-
<Figure 4> shows the appearance of CSS Tech McTc controller.
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| <Figure 4> Appearance of CSS Tech McTc controller |
You can change controller address by using 7 Dip switch of CSS Tech McTc controller.