Mitsubishi Electronics FX2NC-4AD User Manual

FX -4AD

2NC

-4AD Analog input block

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Thank you very much for purchasing this product.

In order to handle the product properl y please read this manual thorough ly before starting to use the product .

User’s Manual

MODEL FX MANUAL Number JY997D07801A Date June 200 3

Guidelines for the Safety of the User and Protection of the FX special function block.

This manual should b e used by trained and co mpetent personne l. The definition of such a person or persons is as follows: a) Any engineer using the product associated with this manual, should be of a

competent nature, trained and qualified to the local and natio nal standards. These engineers shoul d be fully aware of all a spects of safety with re gards to automated equipment.

b) Any co mmissioning or service engineer must be of a com petent nature,

trained and qualified to the local and nat ional standards.

c) All operators of the completed equ ipment should be trained to use this

product in a safe and coord inated manner in complia nce to established safety practices.

Note:The term `completed equipme nt' refers to a third party constructed

device which contains or uses the produc t associated with this manual.

CE markin g does not guara ntee that an entire mecha nical module produced in accordance with the contents of the notification comply with the following standards. Compliance to EMC standards of the entire mechanical module should be checked by the u ser / manufacturer.

Standards with which this product complies

Type : Programmable Controller (Open Type Equipment) Models : Products manufactured star ting April 1st, 2003.

Electromagnetic Compatibility

EN61000-6-4:2001

Electromagnetic compa tibility

-Generic standards - Emis sion standard for Industrial environment

EN61000-6-2:2001

Electromagnetic compa tibility

-Generic standards Imm unity for industrial environments.

For more details please contact the local Mitsub ishi Electric sales site.

- Notes for compliance to EMC regulation. It is necessary to install the FX

For furthe r informati on manual concerning the FX Seri es, refer to the following table.

List of Further Information Manuals

Note concerning the CE marking

●●●●

Standards

(EMC)

Compliance with all r elevant aspects of the standard. (Radiated Emissions and Mains Terminal Voltage Emissions)

Compliance with all r elevant aspects of the standard. (R F immunity, Fast transients, ESD, Conducted, Surges, Power magnetic fields, Voltage dips and Voltage interruptions)

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-4AD in a shielded metal control panel.

Manual Name Manual No. Description

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FX Hardware Manual

FX Programming Manual II

JY992D76401

JY992D88101

This manual contains har dware explanations of wiring, install ation and specification s for

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the FX

This manual contains instructio n explanations for the FX

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Series programmable controllers.

1. Introduction

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The FX

-4AD analog input block (hereafter referred to as "FX converts 4 points of analog input values (voltage and current inputs) into digital values, and transfers them to the PLC main unit.

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The FX

-4AD can be connec ted to the FX

1) A combination of voltage and c urrent analog inputs sel ectable via the PLC

TO instruction should be used to configure the ind ividual input channels.

2) The voltage input range can be selected withi n -10 to 10V, alternatively, the

current input range can be selected within -20 to 20mA and 4 to 20mA. The input characteristics can be adjusted for each channel (except when

=2, 5, 8 is set in BFM #0 that disables all changes to the offset or gain).

3) The resolution is 0.32 mV (20 V × 1/64,000) or 2 .50 mV (20 V × 1/8,000)

when voltage input is use d, and 1.25 µA (40 mA × 1/32,000) or 5.00 µ A (40 mA × 1/8,000) when current input is used.

4) Data transfer with the PLC is performed via the buffer memories of the

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-4AD using FROM/TO instructions.

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-4AD

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-4AD

●●●●

Remark

Series programmable controllers.

, FX1N, FX2N and

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-4AD")

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Series PLC.

2. External Dimensions and Part Name

Terminal arrangement

3)’

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-4AD.

V1+

I1+

COM1

SLD V2+

I2+

COM2

SLD

V3+

I3+

COM3

SLD V4+

I4+

COM4

SLD

V1+

I1+

COM1

SLD

V2+

I2+

COM2

SLD

V3+

I3+

COM3

SLD

V4+

I4+

COM4

SLD

(0.6")

90(3.55")

74(2.92")

20.2

(0.8")

24V

A/D

7) Dimensions: mm(inch) Outer facing color: Munsell 0.08GY/7.54/0.81

Weight: Approx. 130g (0.29lbs) (Includes terminal block)

Accessory: Special function block number lab el, Power crossover cable

1) Status indicator LED 2) Terminal connector (European type)

3),3)’Extension por t 4) Slide lock for extension block

5) DIN rail clip 6) Power supply connector (24V DC)

7) Power supply connector (Supp ly for extension block) The connector 3)' is equi pped with a cover.

- Never wire the terminals.

• Status indicator LED

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-10BPCB1

•

Indication Description

PW Lit while 5 V power is normally supplied fro m PLC.

24 V

Lit while 24 V power is normally suppli ed to the "24+" and "24-" power supply connector of the FX

A/D Flashes during A/D conversion.

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• Instal l the FX special function block of the FX

• DIN rail in stallation The FX When removing the FX hook.

For further de tails, refer to the Handy Manual packed together wi th on the PLC main unit.

-4AD on the right si de of the main unit, extension block or

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-4AD can be installed on DIN rail DIN46 277 (width: 35mm (1.38")).

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Series PLC.

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-4AD, push downward on the DIN rail attachment

3. PLC Connection

When connec ting the F X 4AD to the FX unit or extension block, remove the extension port cover from the right s ide of the main unit or extension block, keep the slide lock in th e main unit or extension block pulled upward, then align the hoo k in

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the FX mounting hole in the former step of the main unit or extension block. Then push the slide lock downward to fix the FX or more FX unit in the same way. Up to four special function blocks or special function units in total can be connected to the FX CNV-IF. For each connected special funct ion block or special function unit, a unit numb er is assigned star ting with 0 for the speci al function block and special fu nction unit nearest to the main u nit. From the main unit, use FROM/TO instructions to read or write data stored in the FX

-4AD with the

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-4AD.

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Series main

Slide lock

Main unit

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-4AD. When connecting two

-4AD units, connect an FX

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Series PLC including those connected to the FX

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-4AD unit to another FX

Slide lock

Hook

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-4AD

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-4AD

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4. Wiring

4.1 Power supply wiring

Supply power (24V DC) to the FX When using the power supply connector, the following power cables are available.

Power cables

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-10BPCB 1:

FX Power crossover cable (offered as an accessory for the FX

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-100BPC B:

FX Power cable (offered as an accessory for the FX

1) Connection example with the power supply throu gh crossover wiring to the

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input extension block

main unit

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Power supply

connector

24+24-

Red*2Green

Power crossover

cable FX

100BPCB

Grounding resistance 100Ω or less

Connected to ground of the power supply

DC24V ±10%

2) Connection example to the external power supply

Grounding resistance

• Con nect the " " terminal together w ith the ground terminal of the P LC main unit to the ground of the power su pply equipped with groundi ng resistance of 100Ω or less.

• For crossover wir ing to the next block of the FX cover from the power crossover connector.

100Ω or less

4.2 Input wiring

For terminal arrangement, r efer to Chapter 2 of this manual.

Current input

Voltage

input

input extension block

Power supply

connector

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main unit

Power supply

connector

24+24- 24+24-

Red*1Green Red*1 Power crossover

cable FX

DC24V ±10%

Input terminal block

Shield *1

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-4AD from the power supply c onnector.

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-4AD)

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Series main unit)

-4AD

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Power supply

connector

24+24-

Red*2

Power crossover

cable FX

-4AD

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-15V

Power circuit

Power supply connector

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100BPCB

Connected to the ground of

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V1+

I1+

COM1

SLD V2+

I2+

COM2

SLD

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Power circuit

Power supply connector

24+24-

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10BPCB1

*1:Power terminal *2:Black

+15V

Power supply terminal

*1:Black

power supply

-4AD, remove the resin

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-4AD

6.8kΩ

250Ω

200kΩ

6.8kΩ

250Ω

200kΩ

+15V-15V

Red*2

CH1

CH2

*1 When wiring the anal og output cable, use a shielded two-core twisted

cable, and separat e it from other p ower cables and cables ea sily affected by induction.

*2 The SLD terminal is connected to the *3 For current input, short-circuit the VO+ terminal and the IO+ terminal (O:

Input channel No.).

*4 Do not wire the

Terminal connector handling

The FX equivalent to that of the ter minal connector type FX For the specifications of the suggested screwdriver, the dimensions of the cable terminal, the external dimensions of the bar terminal equipped with insulating sleeve, and applicable wiring, please refer to the FX Manual.

terminal.

•

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-4AD is equipped with a terminal connector whose form is

terminal inside t he FX

5. Specifications

5.1 General specifications

The general specifications are equivalent to those of the PLC main unit. (Please refer to the FX

5.2 Power supply specifications

Item Specifications

Analog circuits 24V DC±10%, 130 mA, externally supplied.

Digital circuits

5.3 Performance specifications

Item Sp ecifications

Conversion speed 1 ms x Numbe r of used channels

Isolated method

Number of occupied I/O points

Applicable PLC

Built-in memory E EPROM

5.4 Voltage/current input specifications

Item Voltage input Current input

Analog input range

Digital output

Resolution

To t a l accuracy

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Handy Manual.)

5V DC, 50 mA, supplied from the PLC main unit us ing an extension port.

Photocoupler isolated analo g input area from PLC. Trans isolated power supply from analog I/O. Channels are not isolated from each other.

8 points (including input and output points)

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Series PLC

FX (Up to four units can be connected including s pecial function blocks and special function units connected to

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-CNV-IF.)

-10 to 10V DC (input resistance: 200 kΩ) Adjustment is enabled w ith the following conditions: Offset value: -10 to 9 V Gain value: 10 V or less "Gain - Offset": > 1 V (except when set in BFM #0 that disables all changes to the offset or gain.) Maximum absolute input: ±15 V

Effective numeric value (15 bits) + Sign (1 bit)

0.32 mV (20 V × 1/64,000)

2.50mV (20 V × 1 /8,000)

Ambient temperature: 25 °C ± 5 °C

±0.3% (±60 mV) against

full scale 20 V Ambient temperature: 0 to +55 °C

±0.5% (±100 mV) agains t

full scale 20 V

=2, 5, 8 is

-20 to 20 mA DC, 4 to 20 mA DC (input resistance: 250 Ω) Adjustment is enabled with the following conditions: Offset value: -20 to 17 mA Gain value: 30 mA or less "Gain - Offset": > 3 mA (except when BFM #0 that disables all changes to the offset or gain.) Maximum absolute input: ±30 mA

Effective numeric value (14 bits) + Sign (1 bit)

A (40 mA × 1 /32,000)

1.25

5.00

A (40 mA × 1/8,000)

Ambient temperature: 25°C ± 5°C

±0.5% (±200 scale 40 mA 4 to 20mA input is same (±200

Ambient temperature: 0 to +55°C

±1% (±400 40 mA 4 to 20mA input is same (±400

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PLC.

=2, 5, 8 is set in

A) against full

A) against full scale

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Handy

-4AD.

FX -4AD

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6. Buffer Memory (BFM)

Analog

value

Digital filter set value

Analog input value

They are converted into stable digital output values.

The digital output value follows up the analog input value.

Time

Digital output value

BFM21

b15, b14, b13, b12 , b11, b10, b9, b8, b7, b6, b5, b4, b3, b2, b1, b0

CH4

CH3

CH2 CH 1

Invalid

Data transfer between the FX via buffer memories (hereafter referred to as "BFM") of the FX Each BFM consists of 1 word, 16 bits. BFM No. 0 to 1799 have assigned functionality, communication with these BFMs should be performed using TO/FROM instructions supplied by the PLC main unit. When the power is switched ON from OFF, the initia l value is written to each BFM. Create a program for the PLC so that the desired contents are wr itten to the BFMs every time the power of the PLC is turned ON. (The contents stored in BFM #0, #19, #22, #41 to #44 and #51 to #54 are held in the built-in EEPROM, and kept against power failure.)

6.1 Buffer Memories (BFM) lists

BFM

No.

#0 Specifies input mode of CH1 to CH 4. H0000

#1 Reserved 

Number of averaging times for CH1

Setting range: 1 to 4,095 times

Number of averaging times for CH2

Setting range: 1 to 4,095 times

Number of averaging times for CH3

Setting range: 1 to 4,095 times

Number of averaging times for CH4

Setting range: 1 to 4,095 times

#6 CH1: Digital filter setting Set range: 0 to 1,600 K0

#7 CH2: Digital filter setting Set range: 0 to 1,600 K0

#8 CH3: Digital filter setting Set range: 0 to 1,600 K0

#9 CH4: Digital filter setting Set range: 0 to 1,600 K0

#10 CH1 data (immediat e data or average data) 

#11 CH2 data (immediat e data or average data) 

#12 CH3 data (immediat e data or average data) 

#13 CH4 data (immediat e data or average data) 

•

••Reserved 

Disables setting change of I/O characte ristics (BFM #0, BFM #1, BFM #21) and co nvenient

#19

functions (BFM #22). Disables change: K2, Enables change: K1

Initializes functions. (Initializes functions at K1, then retur ns

#20

automatically to K0 after initializa tion is completed.)

Writes I/O charac teristics. (Returns

#21

automatically to K0 after write of offset/gain value is finished.)

Sets convenient functions (data addition , upper/

#22

lower limit value detection, sudden change detection and minimum/max imum value hold).

•

••Reserved 

Upper/lower limit value error status (valid while

#26

BFM #22 b1 is ON)

A/D data sudden change detec tion status (valid

#27

while BFM #22 b2 is ON)

#28 Scale over status K0

#29 Error status K0

#30 Model code (K2070) K2070

#31 Reserved 

Operating time 0 to 64,800 (s) Subsequently, 64,800 is kept. Measurement star ts when the power is turned

#32

on, and the measured value is reset when the power is turned off.

•

••Reserved 

#41 CH1 offset data (mV or µA) K0

#42 CH2 offset data (mV or µA) K0

#43 CH3 offset data (mV or µA) K0

#44 CH4 offset data (mV or µA) K0

•

••Reserved 

#51 CH1 gain data (mV or µA) K5000

#52 CH2 gain data (mV or µA) K5000

#53 CH3 gain data (mV or µA) K5000

#54 CH4 gain data (mV or µA) K5000

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-4AD and the PLC main unit is performed

Description Initial value

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-4AD.

BFM

No.

•

••Reserved 

CH1 addition data Setting range: -16,00 0 to 16,000

#61

(valid while BFM #22 b0 is ON)

CH2 addition data Setting range: -16,00 0 to 16,000

#62

(valid while BFM #22 b0 is ON)

CH3 addition data Setting range: -16,00 0 to 16,000

#63

(valid while BFM #22 b0 is ON)

CH4 addition data Setting range: -16,00 0 to 16,000

#64

(valid while BFM #22 b0 is ON)

•

••Reserved 

CH1 lower limit error set value (valid while BFM #22

#71

b1 is ON)

CH2 lower limit error set value (valid while BFM #22

#72

b1 is ON)

CH3 lower limit error set value (valid while BFM #22

#73

b1 is ON)

CH4 lower limit error set value (valid while BFM #22

#74

b1 is ON)

•

••Reserved 

CH1 upper limit error set value (valid while BFM #22

#81

b1 is ON)

CH2 upper limit error set value (valid while BFM #22

#82

b1 is ON)

CH3 upper limit error set value (valid while BFM #22

#83

b1 is ON)

CH4 upper limit error set value (valid while BFM #22

#84

b1 is ON)

•

••Reserved 

CH1 sudden change detection set value

#91

Setting range: 1 to 50% of full scale (valid while BFM #22 b2 is ON)

CH2 sudden change detection set value

#92

Setting range: 1 to 50% of full scale (valid while BFM #22 b2 is ON)

CH3 sudden change detection set value

#93

Setting range: 1 to 50% of full scale (valid while BFM #22 b2 is ON)

CH4 sudden change detection set value

#94

Setting range: 1 to 50% of full scale (valid while BFM #22 b2 is ON)

•

••Reserved 

Clear of upper and lower limit value error an d sudden

#99

change detection erro r

#100 Reserved 

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

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

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

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

•

••Reserved 

#109 Minimum value reset K0

#110 Reserved 

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

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

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

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

•

••Reserved 

#119 Maximum value reset K0

•

••Reserved 

Description Initial value

Minimum digital value inside input range

Maximum digi tal value inside input range

5% of full scale

BFM

No.

Data history sampling time [Effective only for channels whose number of

#198

averaging times (BFM #2 to #5) is 1 and digital filter

setting (B FM #6 to #9) is 0] Setting range: 0 to 30,000 ms

Resets or stops data history. [Effective only for channels whose number of

#199

averaging times (BFM #2 to #5) is 1 and digital filter setting (B FM #6 to #9) is 0]

#200 CH1 data history (1st value) Data history sampling

•

CH4 data history (400th

#1799

value)

Description Initial value

•

is effective only for channels whose number of averaging times (BFM #2 to #5) is 1 and digital filter setting (BFM #6 to #9) is 0.

•

6.2 Details of buffer memories

BFM #0: Specifies input mode.

Specify the input mod e of CH1 to CH4 by writing a numeri c value to BFM #0. The input mode specifi cation declares, each BFM expressed as a 4-digit hexadecimal code, and each channel No. is assigned to each digit. S pecify a numer ic value 0 to F in each digit for each channel.

=0: Voltage input mode (-10 to 10V → -32000 to 32000),

resolution 0.32mV

=1: Voltage input mode (-10 to 10V → -4000 to 4000), resoluti on 2.50mV

=2: Voltage input mode (-10 to 10V → -10000 to 10000), resolution 1mV

=3: Current input mode (4 to 20m A → 0 to 16000), resolutio n 1.25 µA

=4: Current input mode (4 to 20 m A → 0 to 4000), resolution 5.00 µA

=5: Current input mode (4mA to 20mA → 4000 to 20000), resolut ion 1.25 µA

=6: Current input mode (-20 to 20 mA → -16000 to 16000), resolutio n 1.25 µA

=7: Current input mode (-20 to 20 m A → -4000 to 4000), resoluti on 5.00 µA

=8: Current input mode (-20 to 20 m A → -20000 to 20000), resolutio n 1.25 µA

=9 to E:Unusable

=F: Corresponding CH is not used.

• The input characteristics are changed autom atically according to the setting of BFM #0. (The input characteristics can be ch anged to independent values

except when !=2, 5, 8 is set in BFM #0 that disables all changes to the of fset or

)

gain.

• It ta kes approximately 5 seconds to chang e the input mode (to ch ange each set value). Time interval of 5 seconds or more after changi ng the input mode until the write of each setting (TO instr uction) is performed.

•

Setting "HFFFF" to allocate all channels as unusable is not allowed.

BFM #2 to BFM #5: Num ber of averaging times

(Make sure to set the number of averaging times to "1" when using the digital filer.) The allowable set range of the number of averaging times is 1 to 4,095. If the number of averaging times is set to "1", the immediate data (curren t value) is stored in BFM #10 t o #13. Otherwise, BFM #10 to BFM #13 will be averaged depending on the value set i n BFM #2 to BFM #5. If the number of averaging times is set to "0" or less, "0" is wr itten. If the number of averaging times is set to "4,096" or more, "4096" is written. In either case, number of averaging times setting error (BFM #29 b10) occurs. The initial set

value is "1 ".

Average data update

• When the number of averaging times (BFM #2 to BFM #5) is set to "400 " or less, the average (BFM #10 to BFM #13 ) is updated every time the A/D conversion processing is performed. The update time is as follows: Average data update time = (A/D conversion time) x Number of channels

• When the number of averaging times (BFM #2 to BFM #5) is set to "401 " or more, the average (BFM #10 to BFM #13) is updated every time the A/D conversion is performed by as many as the s et number of averaging times. The update time is as follows: Average data update time = (A/D conversion time) x Number of channels x Number of averaging times

In either case above, until the numbe r of A/D conversion times reaches the set number of averaging times for the first time, the average at each time point is stored in BFM #10 to BFM #13.

BFM #6 to BFM #9: Digit al filter setting

(Effective only when the number of averaging times i s set to "1") Setting BFM #6 to BFM #9 to "1" invokes, the digital filter whic h can be provided for each channel. If the fluctuation of the analog input value is less tha n the set value of BFM #6 to #9, the analog input value is conver ted into a stabilized digital outp ut value. If the analo g input value exceeds th e set value, the proceeding digital conversion value will follow and replicate there values. The data is updated every "5ms x Number of channel s", and stabilized by the last 20 data.

BFM#0

!!!!

By this function, un stable analog values can be co nverted into stable digital values.

The table below shows the relationship between the s et value of BFM #6 to #9 and the operation.

Set value < 0

Set value = 0 Digital filter functi on is invalid.

1 ≤ Set value ≤ 1,600 Digital filter function is valid.

1,600 < Set value

BFM #10 to BFM #13: Cha nnel data

The A/D conversion data for each channel is written to BFM #10 to #13.

BFM #19: Disables setting change

BFM #19 enables or disables the setting change of the I/O characteristics

CH1

(BFM #0, #41 to #44, #5 1 to #54), the convenient function s (BFM #22).

CH2 CH3 CH4

K1: Enables change (factor y default). K2: Disables change.

BFM #20: Initializes functions

BFM #20 initializes all data stored in BFM #0 to BFM #1799, and sets the

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-4AD to factory default.

FX By initialization, the input characteristics are reset to the values set at factory default (voltage input, off set value K0, gain value K5000).

K0: Normal K1: Executes initialization. (Wr ites K1, subsequently returns to K0

when initialization is completed.)

BFM #21: Writes I/O cha racteristics

Each channel No. is assigned to th e lower 4 bits of BFM #21. When a bit is set to ON, the o ffset data (BFM #41 to BFM #44 ) and the gain data (BFM #51 to BFM #54) of the assigned channel No. are written to the built-in memory (EEPROM). Give the write command to two or more channels at a time. (When enteri ng "HF", all channels are wr itten to.) When the write is c ompleted, BFM #21 subs equently returns to K 0.

BFM #22: Sets convenient functions

The functions des cribed below are as signed to b0 to b 3 of BFM #22. Wh en a bit is set to ON, the a ssigned function becom es valid. When a bit is set to O FF, the ass igned function becomes invalid. b0: Data addition function

The data (BFM #10 to BFM # 13), minimum/maximum value (BFM #1 01 to BFM #104, BFM #111 to BFM #114) and data history (BFM #200 to BFM #1799) of each channel is the measured value added by the addition data (BFM #6 1 to BFM #64). When using this function, enter the value added by the addition data (BFM #61 to BFM #64) to the lower limit value error set value (BFM #71 to BFM #74) and the upper l imit value error set value (BFM #81 to BFM #84). The addition data (BFM #61 to BFM #64) is not added to the scale over data (BFM #28).

b1: Upper/lower limit value detection fu nction

When the A/D conversion data of each channel is outside the range of the lower limit value error set value (BFM #71 to BFM #7 4) to the upper limit value error set value (BFM #81 to B FM #84), the result is wri tten to the upper/lower limit value error s tatus (BFM #26).

b2: Sudden change detec tion function

When the data (BFM #10 to BFM #13) of each channel is updated, if the difference between the previous value and the new value is larger than the sudden change detection set value (BFM #91 to BFM #94), the result is written to the sudden change dete ction status (BFM #27).

b3: Minimum/maximum value hold func tion

The minimum value of the data (BFM #10 to BFM #13) o f each channel is written to BFM #101 to BFM #1 04, and the maximum value is written to BFM #111 to BFM #11 4.

BFM #26: Upper/lower limit error status

The upper /lower limit value detection function (BFM#22 b1), writes detected errors to the corresponding bits in BFM#26 (see table). Upper and lower limit error status for the four channels is located i n bit-pairs in the first 8bits of BFM#26. When the data (BFM #10 t o BFM #13) of any channel is outside the range from the lower limit error value (BFM #71 to BFM #74) to the upper limit error value (BFM #81 to BF M #84), the correspondi ng bit turns ON. When a bit turns ON, it remains ON until it is reset by BFM #99 or the power is turned OFF.

Digital filter function is invalid. Set value error occ urs (BFM #29 b11 turns ON .).

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