Scantech XC Series Manuel utilisateur

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

I/O address list

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

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

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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