STHC-MB is driver to communicate with thermo-hygrostat device of Seung IL Electronics, in Korea.
<Figure 1> is read setting example of STHC-MB communication driver.
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| <Figure 1> Read setting example of STHC-MB driver |
Device part of <Figure 1> input Com Port(COM1), Baud Rate(9600), Parity Bit(0), Data Bit(8), Stop Bit(1) respectively, according to device.
Also, enter the Source Station (Device number of computer side, Default = 65246) at Option part.
STHC-MB communication driver's read schedule
Read schedule setting parameters are as follows :
1) STATION – Enter device number between 0 and 65535.
2) Read Command – Input as 2, 1 or 2.x, 1, x format. At this part, 2, 1 is data type(2 = WORD unit, 1 = BYTE unit),
x = File name of save method for read data,
2 ~ 255 : Set the save method for read data at WorkDirectory\SCAN\ReadInfo%03d.ini file. (Refer to <Table 3>)
3) Read Start Address – Read start Attribute number.
4) Save Start Address for Communication Server – Saving start address of Communication Server.
5) Read Size - Number of data to read. (WORD or BYTE unit)
6) Object number to read – Object number to read. (Default = 33 (21h) )
7) Index number to read - Index number to read. (Default = 0 )
Read schedule example)
READ, 0, 2, 0, 0, 32, 33, 0,
READ, 0, 2, 0, 70, 32, 33, 1,
<Table 1> is save address and contents of 33 Object, Index no.0 read of STHC-MB communication driver, and <Table 2> is save address and contents of read value for 33 Object, Index no.1 read.
Save Address of Communication Memory |
Save Contents |
Unit |
Remarks |
Save Addr + 0 |
Current Temp |
WORD |
Real value = Data x 0.1 |
Save Addr + 1 |
Temp Setting |
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Save Addr + 2 |
Current Humidity |
BYTE |
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Save Addr + 3 |
Humidity Setting |
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Save Addr + 4 |
Cooling Deviation |
Real value = Data x 0.1 |
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Save Addr + 5 |
Heating Deviation |
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Save Addr + 6 |
Dehumidification Deviation |
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Save Addr + 7 |
Humidification Deviation |
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Save Addr + 8 ~ 10 |
Reserved |
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Save Addr + 11 |
D/A Cooling Output |
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Save Addr + 12 |
COMP Cycle |
0 : 1 cycle, 1 : 2 cycle, 2 : 3 cycle |
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Save Addr + 13 |
Heater Step |
0 : 2 step, 1 : 3 step, 2 : 4 step, 3 : 5 step |
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Save Addr + 14 |
Total RUN TIME |
WORD |
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Save Addr + 15 |
Compressor 1 RUN TIM |
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Save Addr + 16 |
Compressor 2 RUN TIME |
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Save Addr + 17 |
Humidification Capacity |
BYTE |
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Save Addr + 18 |
Humidification Voltage |
Real value = Data x 10 |
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Save Addr + 19 |
Humidification Efficiency |
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Save Addr + 20 |
BUZZER_OFF(CONTROL) |
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Save Addr + 21 |
Rated Current |
WORD |
Real value = Data x 0.1 |
Save Addr + 22 |
Humidification Current |
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Save Addr + 23 |
DEHUM ON/OFF |
BYTE |
0 : Stop, 1 : Run |
Save Addr + 24 |
HUM ON/OFF |
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Save Addr + 25 |
HEAT ON/OFF |
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Save Addr + 26 |
COOL ON/OFF |
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Save Addr + 27 |
FAN ON/OFF |
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Save Addr + 28 |
BUZZER_OFF(REMOT) |
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Save Addr + 29 |
Low-pressure over 1 |
0 : Normal, 1 : Abnormality |
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Save Addr + 30 |
Low-pressure over 2 |
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Save Addr + 31 |
Water leak Occur |
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Save Addr + 32 |
Main fan Abnormality |
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Save Addr + 33 |
Air Water Flow Abnormality |
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Save Addr + 34 |
Heating Heater Abnormality |
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Save Addr + 35 |
Humidity Heater Abnormality |
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Save Addr + 36 |
Compressor 2 Abnormality |
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Save Addr + 37 |
Compressor 1 Abnormality |
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Save Addr + 38 |
Humidity High Humidity Abnormality |
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Save Addr + 39 |
Temp High Temp Abnormality |
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Save Addr + 40 |
Water supply Abnormality |
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Save Addr + 41 |
Over-current Occur |
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Save Addr + 42 |
Drainage Abnormality |
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Save Addr + 43 |
Forced Drainage |
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0 : OFF, 1 : ON |
Save Addr + 44 |
Reserved |
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Save Addr + 45 |
Humidity Control |
0 : OFF, 1 : ON |
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Save Addr + 46 |
Run Mode |
0 : Itself, 1 : Remote |
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Save Addr + 47 |
Dehumidification Run |
0 : OFF, 1 : ON |
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Save Addr + 48 |
Humidification Method |
0 : Electrode bar, 1 : PAN, 2 : Evaporation |
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Save Addr + 49 |
Heater Rotation |
0 : OFF, 1 : ON |
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Save Addr + 50 |
Reserved |
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Save Addr + 51 |
Run time of Humidifier |
WORD |
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Save Addr + 52 |
Cooling Humidification |
BYTE |
0 : OFF, 1 : ON |
Save Addr + 53 |
D/A Output Setting |
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Save Addr + 54 |
Run ON/OFF |
0 : Stop, 1 : Run |
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Save Addr + 55 |
TOTAL ALARM |
0 : Normal, 1 : Abnormality |
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| <Table 1> Save address and contents of read value for 33 Object, Index no.0(Attribute = 0) read of STHC-MB communication driver | |||
| Save Address of Communication Memory | Save Contents |
Unit |
Remarks |
Save Addr + 0 ~ 4 |
Reserved |
WORD |
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Save Addr + 5 |
Water supply time Setting |
BYTE |
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Save Addr + 6 |
Drainage time Setting |
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Save Addr + 7 |
HUM2_RUN Status |
0 : Stop, 1 : Run |
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Save Addr + 8 |
HUM2_SOL Status |
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Save Addr + 9 ~ 10 |
Reserved |
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Save Addr + 11 |
Compressor 1 Delay time |
WORD |
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Save Addr + 12 |
Compressor 2 Delay time |
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Save Addr + 13 |
Fan motor Delay |
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Save Addr + 14 |
Temp Correction |
BYTE |
Real value = ( Data - 100 ) x 0.1 |
Save Addr + 15 |
Humidity Correction |
Real value = Data – 20 |
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Save Addr + 16 |
CT Correction |
Real value = ( Data - 50 ) x 0.1 |
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Save Addr + 17 |
LEAK Mode |
0 : OFF, 1 : ON |
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Save Addr + 18 |
Blackout Return time |
WORD |
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Save Addr + 19 |
DA/Temp |
BYTE |
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Save Addr + 20 |
DA/Humidity |
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Save Addr + 21 |
DA/Heating Deviation |
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Save Addr + 22 |
DA/Cooling Deviation |
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Save Addr + 23 |
DA/Humidification Deviation |
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Save Addr + 24 |
DA/Dehumidification Deviation |
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Save Addr + 25 |
DA/Cooling Dehumidification |
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Save Addr + 26 |
DA/ CT |
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Save Addr + 27 ~ 50 |
Reserved |
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Save Addr + 51 |
Input Status |
0:C/O1, 1:L/P1, 2: C/O2, 3:L/P2 4:HU/OT, 5:H/OT, 6:AFS, 7: BWR/O, |
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8:REMOT, 9: LEAK, A: W/L1, B:WL/2, C: C/O3, D:L/P3, E: W-SEN, F: HALON |
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Save Addr + 52 |
Output Status |
0: SSR, 1: H1, 2: H2, 3: H3, 4:H4, 5:COMP1, 6: COMP2, 7:COMP3, |
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8: SOL1, 9: SOL2, A: BWR, B: ALM, C: HU2, D: HU1, E: HU/SOL, F: SOL3 |
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| <Table 2> Save address and contents of read value for 33 Object, Index no.1(Attribute = 0) read of STHC-MB communication driver | |||
File Name |
ini File Writing method |
WorkDirectory\SCAN\ReadInfo%03d.ini
At this sentence, %03d is setting data number between 2 and 255. |
1) Write as text to first line of file. 2) Classify each factor as ','(comma). 3) Write the maximum 256 data save methods. 4) Enter B = Byte, W = Word, W2 = Word HI LO by classifying as comma. |
| <Table 3> ini file writing method for saving read data | |
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| <Figure 2> Example of writing ini file for saving read data |
Read value of STHC-MB communication driver is saved as same value(just save format is different) to WORD/DWORD/FLOAT memory.
If you click the icon 
in protocol option
part of <Figure 1>, you can see the dialog box such as <Figure 3>. You can
also set read schedule by using this part.
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| <Figure 3> Example of STHC-MB driver's Option dialog box |
You can set read schedule by using 
, 
, 
button and listbox
of <Figure 3>.
Also, you can set Source Station (device number of computer side) at 'Source Station' area of <Figure 3>.
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| <Figure 4> STHC-MB driver's read schedule Add/Edit dialog box |
When you click Add button or Edit button in dialog box of <Figure 3>, dialog box of <Figure 4> is shown.
You can change setting value by using writing setting of STHC-MB communication driver.
Digital Write
Digital write and analog write have the same setting parameters except output value(0 or 1).
Analog Write
Analog write setting parameters are as follows:
1) PORT Connected communication port number. (Not COM number)
2) STATION Enter device number between 0 and 65535.
3) ADDRESS Index number to output. (Refer to <Table 4>)
4) Extra1 Enter Object number. In case of not input, it is 16(10h) Object.
5) Extra2 1 = Writing BYTE unit data,
0 = Writing WORD unit data(default).
<Table 4> is output value setting range by Address(Index) of no.16 Object writing for STHC-MB communication driver.
| ADDRESS Number | Output Contents |
Output Range |
Remarks |
| 0 | Temp Setting |
0 ~ 600 |
Output value = Real value x 10 |
| 1 | Humidity Setting |
1 ~ 99 |
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| 2 | Cooling Deviation Setting |
1 ~ 150 |
Output value = Real value x 10 |
| 3 | Heating Deviation Setting |
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| 4 | Dehumidification Deviation Setting |
1 ~ 50 |
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| 5 | Compressor Delay 3 |
0 ~ 600 |
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| 6 | Compressor Delay 4 |
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| 7 | Humidification Deviation |
1 ~ 50 |
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| 8 | Compressor Delay 1 |
0 ~ 600 |
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| 9 | Compressor Delay 2 |
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| 10 | FAN Motor Delay |
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| 11 | COMP Cycle |
0 : 1 cycle, 1 : 2 cycle, 2 : 3 cycle |
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| 12 | Heater Step |
0 ~ 5 |
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| 13 | Humidification Capacity |
1 ~ 45 |
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| 14 | Humidification Voltage |
20 ~ 50 |
Output value = Real value / 10 |
| 15 | Humidification Efficiency |
10 ~ 120 |
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| 16 | BUZZER_OFF(REMOT) |
0 ~ 1 |
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| 17 | Forced Drainage |
0 : OFF, 1 : ON |
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| 18 | Blackout Return |
0 ~ 600 |
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| 19 | Humidity Control |
0 : OFF, 1 : ON |
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| 20 | Run Mode |
0 : Itself, 1 : Remote |
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| 21 | Dehumidification Run |
0 : OFF, 1 : ON |
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| 22 | Humidification Method |
0 : Electrode bar, 1 : PAN, 2 : Evaporation |
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| 23 | Heater Rotation |
0 ~ 1 |
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| 24 | System Initialization |
0 : OFF, 1 : Initialization |
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| 25 | Cooling Humidification |
0 : OFF, 1 : ON |
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| 26 | D/A Output Setting |
0 ~ 11 |
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| 27 | Run ON/OFF |
0 : Stop |
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| 28 | Temp Correction |
1 ~ 199 Output value = (Real value + 100 ) x 10 |
Have to output after calculating LOW, HIGH byte |
Humidity Correction |
1 ~ 39 Output value = Real value + 20 |
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| 29 | CT Correction |
1 ~ 99 Output value = (Real value + 50 ) x 10 |
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LEAK Mode |
0 : OFF, 1 : ON |
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| <Table 4> Output value setting range by Address(Index) of no.16 Object writing for STHC-MB communication driver | |||
Write example 1)
PORT : 0 STATION : 0 ADDRESS : 0000 EXTRA1 : 16 EXTRA2 : 0
If you set as above and analog output, you can change temperature setting value of no.0 STHC-MB device connected with no.0 port.
Write example 2)
PORT : 0 STATION : 0 ADDRESS : 0001 EXTRA1 : 16 EXTRA2 : 0
If you set as above and analog output, you can change humidity setting value of no.0 STHC-MB device connected with no.0 port.
Connect communication cable with basic power of STHC-MB device as follows.
Communication cable
Connect Tx, Rx of computer side to RS-485 Tx, Rx terminal of STHC-MB device such as <Figure 5>.
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| <Figure 5> Appearance of connecting communication cable and basic power etc to STHC-MB device |
Basic power connection
Connect basic power to power input part of STHC-MB device, such as <Figure 5>.
<Figure 6> is console of STHC-MB.
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| <Figure 6> Console of STHC-MB |