LIYAN LYPLC Ex1n4AD Bedienungsanleitung

LIYAN PROGRAMMABLE LOGIC CONTROLLER

LYPLC

Ex1n4AD

Ex1n4TC

USER’S MANUAL

Foreword

♦This manual contains text, diagrams and explanations which will guide the reader in the correct installation and

operation of the Ex1n4AD Analog input block, It should be read and understood before attempting to install or use

the unit. If in doubt about the operation or use of Ex1n4AD Analog input block please consult Liyan Electric.

Introduction

The Ex1n4AD analog input block (hereafter referred to as “Ex1n4AD”) converts 4 points of analog input values

(voltage input, current input, temperature input) into digital values, and transfers them to the PLC main unit.

The Ex1n4AD can be connected to Ex1n, Ex2n Series PLC.

1) Analog inputs can be selected from the voltage input, the current input and the thermocouple input (temperature

input) by the input mode setting by the TO instruction given by the PLC main unit and the connection method.

2) The voltage input can be selected within the range from –10 to +10 V. The current input can be selected within

the range from +4 to +20 mA.

The thermocouple input can be selected among the K type, and J type. (The input characteristics cannot be

adjusted when the thermocouple input is used.)

3) The resolution is 5mV (20 V x 1/4,000) when the voltage input is used, 10.00 μA (40 mA x 1/8,000) when the

current input is used, and 0.1 °C when the thermocouple input is used.

External Dimensions

Dimension: mm

39.6

Terminal Signal: This module don’t occupy any I/O points and never perform wiring to terminals.

Ex1n32MR Ex1n8AD Ex1n16ER Ex1n8AD Ex1n32ER Ex1n4AD

X00-X17 not occupy points X20-X27 not occupy points X30-X37 not occupy points

Y00-Y17 K=0 Y20-Y27 K=1 Y30-Y37 K=2

Status indicator LED

Indication Description

PWR Lit while power is normally supplied to “24V” and “24G“ terminals of Ex1n4AD.

Ex1n4AD Wiring

24G

24V

Current input

+15V

Current input

*3 Shielded cable

500

V3 Voltage input

500

-15V

Ex1n4TC Wiring

Note:

1) To avoid effects of noise to make result is not accurate, please use cable with isolation and should be far away

high-voltage power supply.

2) To avoid electric shock or damage of product, turn off all power supply when performing wiring work.

Remark:

*1 Use a two-core, twisted, shielded cable for the analog input line, and separate it from other power lines or a lines

easily induced.

*2 If there is voltage ripple in the input or there is noise in the external wiring, connect a capacitor of approximately

0.1 to 0.47 μF, 25 V.

*3 For the current input, make sure to short-circuit the “VN+” terminal and the “IN+” terminal (N: input channel No.).

*4 Make sure to connect the terminal to the terminal of the PLC main unit to which Class D grounding (100

Ωor less) is performed.

Add 500Ω/0.5W resistance C2

V2 CH2

Voltage input C1

V1 CH1

DC/DC

V4-

V4+

•

V3-

V3+

V1+

V2-

V2+

V1-

24G

24V

CH1

CH2

Thermocouple

(K or J)

DC/DC +15V

-15V

Specifications

General specifications

Item Specifications

Ambient temperature

range 0 to +55 °C during operation, storage temperature: -20~70°C

Ambient humidity 35 to 85 % RH during operation (Dew condensation shall not be allowed.)

Noise resistance Noise voltage 1,000 Vp-p, noise width 1 μs.

Withstand voltage 500 V AC for 1 min

(between analog input terminal and each terminal of PLC main unit)

Insulation resistance DC500V / 5 MΩ

Operating

atmosphere Corrosive gas and many dusts shall not be detected.

Power supply specifications

Item Specifications

Interface driving

power supply 24 V DC±10%, 100 mA, supplied via terminal from outside

CPU driving power

supply 5 V DC, 50mA, supplied via extension cable from PLC main unit

Performance specifications

Item Specifications

Conversion speed When only voltage input and current input are used 500 μs x Number of used channels

Insulation method Photocoupler insulates analog input area from PLC.

DC/DC converter insulates power supply from analog I/O.

Number of occupied

I/O points Don’t occupy any I/O points

Applicable PLC Ex1n, Ex2n Series PLC, V1.40 or more

Buffer Memories (BFM) lists

BFM No. Description Initial value

#0 Input mode selection of CH1 to CH4. H000

#1 Reserved −

#2 Number of times of averaging of CH1 Setting range :1 to 8 times 8

#3 Number of times of averaging of CH2 Setting range :1 to 8 times 8

#4 Number of times of averaging of CH3 Setting range :1 to 8 times 8

#5 Number of times of averaging of CH4 Setting range :1 to 8 times 8

#6 Reserved −

#7 Reserved −

#8 Reserved −

#9 Reserved −

#10 CH1 data (immediate data or average data) 0

#11 CH2 data (immediate data or average data) 0

#12 CH3 data (immediate data or average data) 0

#13 CH4 data (immediate data or average data) 0

#14 Reserved −

#15 Reserved −

#16 Reserved −

#17 Reserved −

#18 CH1 to CH4 start conversion enable bit selection H0000

…Reserved −

#22 Sets convenient functions (data addition, upper/lower limit value detection,

sudden change detection and peak value hold.) K1

#23 iat reference value 250

…Reserved −

#29 Error status K0

#30 Model code & Serial No. of Version K2050

#31 Reserved −

#32

Operating time 0 to 64,800 (s).

After that, 64,800 is kept.

Measurement starts when power is turned on, and measured value is reset

when power is turned off.

#33 Reserved

… Reserved −

#37 Temperature module environment temperature (Centigrade)

#38 Temperature module environment temperature (Fahrenheit)

… Reserved −

#41-48 Reserved −

#51-58 Reserved −

… Reserved

#60 When value = 2561, force module to restart (V1.28 or more is effective) −

#61 CH1 addition data Setting range: -2,000 to +2,000

(validwhileBFM#22b0isON) K0

#62 CH2 addition data Setting range: -2,000 to +2,000

(validwhileBFM#22b0isON) K0

#63 CH3 addition data Setting range: -2,000 to +2,000

(validwhileBFM#22b0isON)

#64 CH4 addition data Setting range: -2,000 to +2,000

(validwhileBFM#22b0isON) K0

#65 Reserved −

#66 Reserved −

#67 Reserved −

#68 Reserved −

… Reserved −

#71 CH1 lower limit value error set value (valid while BFM #22 b1 is ON) Minimum digital value

inside input range

#72 CH2 lower limit value error set value (valid while BFM #22 b1 is ON) Minimum digital value

inside input range

#73 CH3 lower limit value error set value (valid while BFM #22 b1 is ON) Minimum digital value

inside input range

#74 CH4 lower limit value error set value (valid while BFM #22 b1 is ON) Minimum digital value

inside input range

#75 Reserved −

#76 Reserved −

#77 Reserved −

#78 Reserved −

…Reserved −

#81 CH1 upper limit value error set value (valid while BFM #22 b1 is ON) Maximum digital value

inside input range

#82 CH2 upper limit value error set value (valid while BFM #22 b1 is ON) Maximum digital value

inside input range

#83 CH3 upper limit value error set value (valid while BFM #22 b1 is ON) Maximum digital value

inside input range

#84 CH4 upper limit value error set value (valid while BFM #22 b1 is ON) Maximum digital value

inside input range

#85 Reserved −

#86 Reserved −

#87 Reserved −

#88 Reserved −

…Reserved −

#101 CH1 peak value (minimum value) (valid while BFM #22 b3 is ON)

#102 CH2 peak value (minimum value) (valid while BFM #22 b3 is ON)

#103 CH3 peak value (minimum value) (valid while BFM #22 b3 is ON)

#104 CH4 peak value (minimum value) (valid while BFM #22 b3 is ON)

#105 Reserved

#106 Reserved

#107 Reserved

#108 Reserved

#109 Peak value (minimum value) reset flag K0

#110 Unusable

#111 CH1 peak value (maximum value) (valid while BFM #22 b3 is ON)

#112 CH2 peak value (maximum value) (valid while BFM #22 b3 is ON)

#113 CH3 peak value (maximum value) (valid while BFM #22 b3 is ON)

#114 CH4 peak value (maximum value) (valid while BFM #22 b3 is ON)

#115 Reserved

#116 Reserved

#117 Reserved

#118 Reserved

#119 Peak value (maximum value) reset flag K0

…Reserved −

#148 Count scan times(Circular counter 0-65536)

…Reserved −

#180 K Type Thermocouple, temperature coefficient α

#181 J Type Thermocouple, temperature coefficient α

#182 T Type Thermocouple, temperature coefficient α

… Reserved

#192-199 CH1 data history

#200-207 CH2 data history

#208-215 CH3 data history

#216-223 CH4 data history

#224-231 Reserved

#232-239 Reserved

#240-247 Reserved

#248-255 Reserved

Details of buffer memories

1 BFM #0, #1: Input mode selection

The input mode by writing a numeric value to BFM #0 and BFM#1 to assign CH1 to CH4 operation mode to BFM#0.

In the input mode specification, each BFM is expressed in a 4-digit hexadecimal code, and each channel No. is

assigned to each digit.

BFM#0

HOOOO

CH1

CH2

CH3

CH4

O=0: Voltage input mode (-10 to +10V), resolution (20V x 1/32,000)

O=1: Voltage input mode (-10 to +10V), resolution (20V x 1/8,000)

O=2: Voltage input mode, analog value direct display (-10,000 to +10,000), resolution (20V x 1/20,000)

O=3: Current input mode (4 to 20mA), resolution (16mAx 1/8,000)

O=4: Current input mode (4 to 20mA), resolution (16mAx 1/4,000)

O=5: Current input mode, analog value direct display (4,000 to 20,000), resolution 2.00 μA

O=6: Current input mode (-20 to 20mA), resolution (40mAx 1/16,000)

O=7: Current input mode (-20 to 20mA), resolution (40mAx 1/8,000)

O=8: Current input mode, analog value direct display (-20,000 to +20,000), resolution (40mA x 1/40,000)

O=9: Thermocouple input mode, K type, Celsius display (-100 to +1,200°C), resolution 0.1°C

O=A: Thermocouple input mode, J type, Celsius display (-100 to +600°C), resolution 0.1°C

O=B: Thermocouple input mode, T type, Celsius display (-100 to +350°C), resolution 0.1°C

O=C: Thermocouple input mode, K type, Fahrenheit display (-148 to +1,832°F), resolution 0.1°F

O=D: Thermocouple input mode, J type, Fahrenheit display (-148 to +1,112°F), resolution 0.1°F

O=E: Thermocouple input mode, T type, Fahrenheit display (-148 to +662°F), resolution 0.1°F

2 BFM #2 TO BFM #5: Number of times of averaging

When using BFM #10 to #13 as the average data, write the number of times of averaging to BFM #2 to BFM #5.

The setting range of the number of times of averaging is 1 to 8. If select the immediate data, value of BFM#2 to

BFM#5 is 1.

3 BFM #10 to BFM #13: Analog data

TheA/D conversion data of each channel is written to BFM #10 to BFM #13.

You can select the immediate (current value) data or the average data by setting the number of times of averaging

(BFM #2 to BFM # 5).

4 BFM #18: Bxxxxxxxxnnnnnnnn

Bit No. b15 to b18 b7 b6 b5 b4 b3 b2 b1 b0

n=0 Reserved Reserved Reserved Reserved Reserved CH4 disable CH3 disable CH2 disable CH1 disable

n=1 Reserved Reserved Reserved Reserved Reserved CH4 enable CH3 enable CH2 enable CH1 enable

5 BFM #22: Sets convenient functions

The functions described below are assigned to b0 to b3 of BFM #22. When a bit is set to ON, the assigned function

becomes valid.

b0 : Data addition function

When this bit set to ON, the measured value will add addition value and stored into BFM#10~BFM#13.

b1 : Upper / lower limit value detection function

Reserved

b2 : Reserved

b3 : When this bit set to ON, peak value will be stored into BFM#101~BFM#104, BFM#111~BFM#114.

6 BFM#30: Model code

Fixed value : “K2xxx”。Xxx is version code

Standard I/O Characteristics

0. Voltage input, -10 to +10V, 20V x 1/32,000

2. Voltage input, direct display (-10,000 to +10,000)

4. Current input, 4 to 20mA, 16mA x 1/4,000

6. Current input, -20 to +20mA, 40mAx 1/16,000

1. Voltage input, -10 to +10V, 20V x 1/8,000

3. Current input, 4 to 20mA, 16mA x 1/8,000

5. Current input, direct display (4,000 to 20,000)

7. Current input, -20 to +20mA, 40mAx 1/8,000

Approx. +16,320

Approx. -16,320

-16,000

16,000

-10

Input

voltage

(V)

Digital value

Approx.

-10.2V

Approx.

+10.2V

Approx. -10,200

Approx. +10,200

-10,000

10,000

-10

Input

voltage

(V)

Digital value

Approx.

-10.2V

Approx.

+10.2V

Approx. +4,080

Approx. -4,080

-4,000

4,000

-10

Input

voltage

(V)

Digital value

Approx.

-10.2V

Approx.

+10.2V

8,000

4 Input current

(mA)

Digital value

4,000

4 Input current

(mA)

Digital value

20,000

4 Input current

(mA)

Digital value

4,000

200

8,000

-20

Input

current

(

)

Digital value

-8,000

200

4,000

-20

Input

current

(

)

Digital value

-4,000

4AD 4AD

4AD

4AD4AD

4AD

4AD 4AD

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