MG R7C-RT4A Manuale utente

EM-7801-AI Rev.3 P. 1 / 6

MG CO., LTD. www.mgco.jp

5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN

INSTRUCTION MANUAL

THERMISTOR INPUT MODULE, 4 points

(CC-Link V.1.10) MODEL R7C-RT4A

BEFORE USE ....

Thank you for choosing us. Before use, please check con-

tents of the package you received as outlined below.

If you have any problems or questions with the product,

please contact our sales ofﬁce or representatives.

■PACKAGE INCLUDES:

Thermistor input module....................................................(1)

Terminating resistor (110 Ω, 0.5 W)...................................(1)

■MODEL NO.

Conﬁrm Model No. marking on the product to be exactly

what you ordered.

■INSTRUCTION MANUAL

This manual describes necessary points of caution when

you use this product, including installation, connection and

basic maintenance procedures.

POINTS OF CAUTION

■POWER INPUT RATING & OPERATIONAL RANG

• Locate the power input rating marked on the product and

conﬁrm its operational range as indicated below:

24V DC rating: 24V ±10%, approx. 95mA

■GENERAL PRECAUTIONS

• Before you remove the unit or mount it, turn off the power

supply and input signal for safety.

• DO NOT set the switches on the module while the power

is supplied. The switches are used only for maintenance

without the power.

■ENVIRONMENT

• Indoor use.

• When heavy dust or metal particles are present in the

air, install the unit inside proper housing with sufﬁcient

ventilation.

• Do not install the unit where it is subjected to continuous

vibration. Do not subject the unit to physical impact.

• Environmental temperature must be within -10 to +55°C

(14 to 131°F) with relative humidity within 30 to 90% RH

in order to ensure adequate life span and operation.

■WIRING

• Do not install cables close to noise sources (relay drive

cable, high frequency line, etc.).

• Do not bind these cables together with those in which

noises are present. Do not install them in the same duct.

■AND ....

• The unit is designed to function as soon as power is sup-

plied, however, a warm up for 10 minutes is required for

satisfying complete performance described in the data

sheet.

R7C-RT4A

EM-7801-AI Rev.3 P. 2 / 6

MG CO., LTD. www.mgco.jp

5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN

COMPONENT IDENTIFICATION

ERR RD

RUN SD

PWR X10 X1

STATION ADD. B.RATE

CNFG.

12345678

4567

123

10 11 12 13

2341

15 16 17 18

7896

(A) Status Indicator LED *1

(B) Station Address Setting Rotary SW

(D) Operating Mode Setting DIP SW (SW1)

(E) PC Configurator Jack

(F) CC-Link, Power Supply Terminals

(G) Input Terminals

*1. Refer to ‘Status Indicator LED’ section for detailed information.

(A)

(F) (G)

(B) (C) (D) (E)

■STATUS INDICATOR LED

ID COLOR FUNCTION

PWR Red Turns on when the internal 5V is sup-

plied normally.

RUN Red Turns on when the refresh data is re-

ceived normally.

ERR Red Turns on when the received data is

abnormal.

SD Red Turns on when the module is transmit-

ting.

RD Red Turns on when the module is receiving.

■STATION ADDRESS

Station Address is selected between 1 and 64 in decimal.

The left switch determines the tenth place digit, while the

right switch does the ones place digit of the address.

Station Address Setting (x1)

Station Address Setting (x10)

■BAUD RATE

Baud Rate is selected with the rotary switch.

Baud Rate Setting

0 : 156 kbps

1 : 625 kbps

2 : 2.5 Mbps

3 : 5 Mbps

4 : 10 Mbps

■OPERATING MODE

(*) Factory setting

• Extension (SW1-1, 1-2)

SW1-1 SW1-2 EXTENSION

OFF OFF No extension (*)

ON OFF Discrete input, 8 or 16 points

OFF ON Discrete output, 8 or 16 points

• Conversion Rate (SW1-3) • Burnout (SW1-4)

SW1-3 CONVERSION RATE SW1-4 BURNOUT

OFF 250 msec. (*) OFF Upscale (*)

ON 500 msec. ON Downscale

Note: Be sure to unused SW 1-5 through 1-8 to OFF.

■POWER SUPPLY, CC-LINK TERMINAL ASSIGNMENT

+24V

SLD

NO. ID FUNCTION, NOTES

1 DB White

2 SLD Shield

3 FG FG

4 DA Blue

5 DG Yellow

6 +24V Power input (24V DC)

7 0V Power input (0V)

■INPUT TERMINAL ASSIGNMENT

INA0

INA1

INB0

INB1

INA2

INB2

INA3

INB3

NO. ID FUNCTION NO. ID FUNCTION

1 NC No connection 10 INA0 Thermistor 0-A

2 INB0 Thermistor 0-B 11 NC No connection

3 NC No connection 12 INA1 Thermistor 1-A

4 INB1 Thermistor 1-B 13 NC No connection

5 NC No connection 14 NC No connection

6 NC No connection 15 INA2 Thermistor 2-A

7 INB2 Thermistor 2-B 16 NC No connection

8 NC No connection 17 INA3 Thermistor 3-A

9 INB3 Thermistor 3-B 18 NC No connection

■EXTENSION MODULE

Combinations with all extension modules are selectable.

R7C-RT4A

EM-7801-AI Rev.3 P. 3 / 6

MG CO., LTD. www.mgco.jp

5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN

INDICATOR LED

■STATUS INDICATOR LED

PWR RUN ERR SD *1RD STATUS *2

ON ON BL BL ON Communicates normally with occasional CRC errors due to noise interference.

ON ON BL BL ON Communicates normally but the Baud Rate and/or Station Address switches failed.

ERR LED blinks approximately in 0.5 seconds intervals.

ON ON BL BL OFF ----

ON ON BL OFF ON CRC error found in the received data. Unable to respond.

ON ON BL OFF OFF ----

ON ON OFF BL ON Normal communication

ON ON OFF BL OFF ----

ON ON OFF OFF ON Unable to receive data addressed to the station.

ON ON OFF OFF OFF ----

ON OFF BL BL ON Performs the interval-timed responses but CRC error found in receiving the refresh

data.

ON OFF BL BL OFF ----

ON OFF BL OFF ON CRC error found in the data addressed to the station.

ON OFF BL OFF OFF ----

ON OFF OFF BL ON Link is not started.

ON OFF OFF BL OFF ----

ON OFF OFF OFF ON No data addressed to the station. Or unable to receive data addressed to the station

due to noise interference. (Missing parts of the data sent from the master)

ON OFF OFF OFF OFF Unable to receive data due to wire breakdown

ON OFF ON OFF

ON/OFF

Faulty Baud Rate and/or Station Address setting

OFF OFF OFF OFF OFF Power input removed. Or power supply failure.

OFF = OFF, ON = ON, BL = Blinking

*1. SD LED may look not blinking but ON with high baud rate and fewer connected modules.

*2. LEDs indicated with “----” in STATUS rarely occurs in normal operation (LED failure or the like as possible cause).

PC CONFIGURATOR

With conﬁgurator software, settings shown below are available.

Refer to the software manual of R7CON for detailed operation.

■INTERFACE MODULE SETTING

PARAMETER AVAILABLE RANGE DEFAULT SETTING

Communication Timeout 0.0 – 3276.7 (sec.) 1.0 (sec.)

■CHANNEL INDIVIDUAL SETTING

PARAMETER AVAILABLE RANGE DEFAULT SETTING

Temp Unit C, F, K C

Zero scale -32000 to +32000 0

Full scale -32000 to +32000 10000

Bias -320.00 to +320.00 0.00

Gain -3.2000 to +3.2000 1.0000

Zero temp -40 to +90 (degC) 0.00 (degC)

Full temp -40 to +90 (degC) 0.00 (degC)

■EXTENSION MODULE SETTING

PARAMETER AVAILABLE RANGE DEFAULT SETTING

Output Hold/Clear Output Hold

Output Clear

Output Hold

R7C-RT4A

EM-7801-AI Rev.3 P. 4 / 6

MG CO., LTD. www.mgco.jp

5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN

TERMINAL CONNECTIONS

Connect the unit as in the diagram below.

■EXTERNAL DIMENSIONS unit: mm (inch)

4567

123

10 11 12 13

2341

15 16 17 18

789

30 (1.18) [5 (.20)]

3 (.12)5.5 (.22)

DIN RAIL

35 mm wide

54 (2.13)

17 (.66)

50 (1.97) 18.5 (.73)

115 (4.53)

7–M3 SCREW

TERMINALS

for CC-Link, POWER

18–M3 SCREW

TERMINALS

for INPUT

6 (.24) 6 (.24)

■CONNECTION DIAGRAM

24V DC

SLD

INA0

INB0

INPUT 0

INA1

INB1

INPUT 1

INA2

INB2

INPUT 2

INA3

INB3

INPUT 3

■ Input Connection Example

INAn

INBn

Thermistor

EXTENSION CONNECTOR

Caution: FG terminal is NOT a protective conductor terminal.

R7C-RT4A

EM-7801-AI Rev.3 P. 5 / 6

MG CO., LTD. www.mgco.jp

5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN

COMMUNICATION CABLE CONNECTIONS

SLD

Master Unit

SLD

Remote Unit

SLD

Remote Unit

TERMINATOR TERMINATOR

blue

white

yellow

Be sure to connect the terminating resistor included in the product package to the unit at both ends of communication line.

The terminator must be connected across DA and DB.

The Master Unit can be located other than at the extreme ends of communication line.

DATA ALLOCATION

Analog input 0

Analog input 1

Analog input 2

Analog input 3

RWrn+0

Unused

RWwn+0

Interval-timed Response (X) Refresh Data (Y)

RX(n+0)F to RX(n+0)0

Reserved

(Status)

RX(n+0)F to RX(n+0)0

Reserved

(Status)

Unused

RX(n+0)F to RX(n+0)0

Reserved

(R7C-EA16)

Unused

Interval-timed Response (X) 0

Refresh Data (Y)

• Without Extension Module

Interval-timed Response (X) 0

Refresh Data (Y)

• With Extension Module R7C-EA16

RY(n+0)F to RY(n+0)0

Unused

(R7C-EC16x)

Interval-timed Response (X) 0

Refresh Data (Y)

• With Extension Module R7C-EC16x

ANALOG INPUT

R7C-RT4A

EM-7801-AI Rev.3 P. 6 / 6

MG CO., LTD. www.mgco.jp

5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN

I/O DATA DESCRIPTIONS

16-bit binary data

Negative values represented in 2’s complements

■ ANALOG INPUT

Input 0 (Output 0)

Input 1 (Output 1)

Input 2 (Output 2) 8 points

Input 15 (Output 15)

Input 3 (Output 3)

: : 16 points

Input 7 (Output 7)

Input 8 (Output 8)

: :

0 : OFF

1 : ON

■ DISCRETE I/O

Input 0 (Burnout, input range error)

Input 1 (Burnout, input range error)

Input 2 (Burnout, input range error)

Unused

Input 3 (Burnout, input range error)

Input 0 (ADC error)

Input 1 (ADC error)

Input 2 (ADC error)

Input 3 (ADC error)

Unused

Burnout, input range error (≤ -15%, ≥ +115%)

0 : Normal 1 : Error

ADC error (no response from ADC)

0 : Normal 1 : Error

■ STATUS

Analog input module without extension module can show input status of each channel.

WIRING INSTRUCTIONS

■SCREW TERMINAL

Torque: 0.5 N·m

■SOLDERLESS TERMINAL

Refer to the drawing below for recommended ring tongue

terminal size. Spade tongue type is also applicable.

Applicable wire size: 0.25 to 1.65 mm2(AWG 22 to 16)

Recommended manufacturer: Japan Solderless Terminal

MFG. Co., Ltd, Nichifu Co., Ltd

6 (.24) max

3.3 (.13) max

mm (inch)

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