Scantech XC Series Manuale utente
XC series expansions with special functions
Operate Manual
Xinje Electronic Co., Ltd.
Catalog
1. MODULES INFORMATION ....................................................................................................................... 1
2. PID FUNCTION ............................................................................................................................................. 4
3. ANALOG INPUT MODULE XC-E8AD ...................................................................................................... 5
4. ANALOG INPUT/OUTPUT MODULE XC-E4AD2DA ........................................................................... 13
5. ANALOG OUTPUT MODULE XC-E4DA ................................................................................................ 21
6. PT100 TEMPERATURE PID CONTROL MODULE XC-E6PT-P ........................................................ 25
7. K TYPE THERMOCOUPLE TEMPERATURE PID CONTROL MODULE XC-E6TC-P ................ 30
8. XC-E3AD4PT2DA ....................................................................................................................................... 36
9. ANALOG INPUT MODULE XC-E4AD .................................................................................................... 46
10. XC-E2DA .................................................................................................................................................... 53
1. Modules information
1. Basic Characteristics
XC series PLCs not only have strong functions of logic operation, data operation, high speed processing
etc. but also functions of A/D, D/A conversion, PID adjustment. With the expansions of analog input module,
analog output module, temperature control module etc, XC series PLCs are widely used in the control
system of temperature, flow, liquid level, pressure.
2. Module Names
The detailed information is:
Model Function
XC-E8AD 8 channels analog input (14bits); there into 4 channels current input, 4 channels voltage
input
XC-E4AD2DA 4 channels analog input (14bits); 2 channels analog output (12bits); current / voltage
selectable
XC-E4DA 4 channels analog output (12bits)；current / voltage selectable
XC-E6PT-P -150 ~350℃ ℃, 6 channels Pt100 temperature signal sampling, 0.1 degree precision,
built-in PID function
XC-E6TC-P 0 ~1000℃ ℃, 6 channels K type thermocouple temperature sampling module, 0.1 degree
precision, include PID operation
XC-3AD4PT2DA 3 channels current input(14 bits),
4 channels PT100 temperature input and 2 channels
voltage output (12 bits)
XC-4AD 4 channels analog input (14 bits), current / voltage selectable
XC-2DA 2 channels analog output (12 bits), current/voltage selectable
3. Dimension: (mm)
4. General Specification
Operating Environment No corrosive gas
Ambient Temperature 0 ~60℃ ℃
Store Temperature -20~70℃
Ambient Humidity 5~95%
Store Humidity 5~95%
Installation Can be fixed with M3 screw or directly installed
on orbit of
DIN46277 (width: 35mm)
Size 63mm×102mm×73.3mm
5. Notes
Please confirm the specifications, choose the right module
When wiring the module, please prevent the scraps falling into the modules
Before connecting, please confirm again the module specifications and connected device
When connecting, please check if the connection is firm, cable broken will cause data incorrect, short
circuit and other errors! Installation, layout should only be carried on after cutting the power.
2. PID Function
1. Brief introduction of PID function
Among XC series PLC special modules, digital input module (A/D module) and temperature control
module both have PID control function which is widely used. There are only four parameters (Kp, Ki, Kd and
Diff) should be set.
2. PID Parameters
Kp — P is proportion parameter, to control the offset of the system once it happens.
Ki — I is integral parameter, to eliminate the static error, improve the no error degree of the system.
Kd — D is differential parameter, to control the signal changing trend, decrease the system vibration.
Diff — Control range, to do PID control in the defined range.
Death — Death area, compare the current PID output to the former one, if the difference is less than the death
area value, the module will abandon the current PID value, send the last value to the PLC.
3. Control characteristics
The range of PID adjustment is, when the testing value is low than QD-Diff, controller outputs with the
full scale; when the testing value is larger than QD+Diff, the controller stops outputting; in the range of
QD-Diff to QD+Diff, carry on PID adjustment.
The control curve of PID:
Each parameter’s reference value: Kp=20~100；Ki=5~20；Kd=200~700；DIFF=100~200.
3. Analog input module XC-E8AD
1. Specification
14 bits high precision analog input
8 channels analog input: The first
four channels are current input
(0~20mA, 4~20 mA); The left 4
channels are voltage input (0~5V,
0~10V)
As special function module of XC,
up to 7 models can be connected.
PID adjustment function
Items Current input (0CH~3CH) Voltage input (4CH~7CH)
Analog input range DC0~20mA、4~20mA DC0~5V、0~10V
Max input range 0~40mA ±18V
Digital output range 14 bits binary data
PID control value 0~4095
Resolution 1/16383(14Bit)
Integrate Precision 0.8%
Conversion speed 15ms per channel
Analog power supply DC24V±10%,100mA
Installation Can be fixed with screw M3 or directly installed on orbit of DIN46277 (width:
35mm)
Dimension 63mm×102mm×73.3mm
2. Input address
XC series analog module doesn’t occupy I/O unit, the converted data is directly transferred to PLC
register. Each channel address:
I/O address list
Register address of expansion module 1:
Channel AD signal PID output
value
PID start/stop
control bit Preset value
PID Parameters: Kp,
Ki, Kd, control range
Diff, dead range
“Death”
0CH ID100 ID108 Y100 QD100
Kp: QD108
Ki: QD109
Kd: QD110
Diff: QD111
Death: QD112
1CH ID101 ID109 Y101 QD101
2CH ID102 ID110 Y102 QD102
3CH ID103 ID111 Y103 QD103
4CH ID104 ID112 Y104 QD104
5CH ID105 ID113 Y105 QD105
6CH ID106 ID114 Y106 QD106
7CH ID107 ID115 Y107 QD107
Register address of expansion module 2:
Channel AD signal PID output
value
PID start/stop
control bit Preset value
PID parameters: Kp,
Ki, Kd, control range
Diff, dead range
“Death”
0CH ID200 ID208 Y200 QD200
Kp: QD208
Ki: QD209
Kd: QD210
Diff: QD211
Death: QD212
1CH ID201 ID209 Y201 QD201
2CH ID202 ID210 Y202 QD202
3CH ID203 ID211 Y203 QD203
4CH ID204 ID212 Y204 QD204
5CH ID205 ID213 Y205 QD205
6CH ID206 ID214 Y206 QD206
7CH ID207 ID215 Y207 QD207
Register address of expansion module 3:
Channel
AD signal PID output
value
PID start/stop
control bit Preset value
PID parameters: Kp,
Ki, Kd, control range
Diff, dead range
“Death”
0CH ID300 ID308 Y300 QD300 Kp: QD308
Ki: QD309
Kd: QD310
Diff: QD311
Death: QD312
1CH ID301 ID309 Y301 QD301
2CH ID302 ID310 Y302 QD302
3CH ID303 ID311 Y303 QD303
4CH ID304 ID312 Y304 QD304
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