MG R7C-RT4A Bedienungsanleitung
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
5
4
3
2
1
0
9
8
7
6
5
4
3
2
1
0
9
8
7
6
5
4
3
2
1
0
9
8
7
6
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
14
5
(A) Status Indicator LED *1
(B) Station Address Setting Rotary SW
(C) Baud Rate 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.
5
4
3
2
1
0
9
8
7
6
5
4
3
2
1
0
9
8
7
6
Station Address Setting (x1)
Station Address Setting (x10)
■BAUD RATE
Baud Rate is selected with the rotary switch.
5
4
3
2
1
0
9
8
7
6
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
4
DA
5
DG
6
+24V
1
DB
2
SLD
3
FG
7
0V
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
10
INA0
11
NC
12
INA1
1
NC
2
INB0
3
NC
13
NC
4
INB1
14
NC
5
NC
15
INA2
6
NC
16
NC
7
INB2
17
INA3
8
NC
9
INB3
18
NC
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
6
14
5
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
4
7
6
3
2
5
1
0V
24V DC
FG
SLD
DG
DB
DA
10
INA0
2
INB0
INPUT 0
INA1
INB1
INPUT 1
INA2
INB2
INPUT 2
INA3
INB3
INPUT 3
12
4
15
7
17
9
■ Input Connection Example
INAn
INBn
Thermistor
A
B
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
DA
DB
DG
SLD
FG
Master Unit
DA
DB
DG
SLD
FG
Remote Unit
DA
DB
DG
SLD
FG
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
+1
+2
+3
Unused
Unused
Unused
Unused
RWwn+0
+1
+2
+3
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
0
F
1F
Interval-timed Response (X) 0
F
1F
Refresh Data (Y)
• Without Extension Module
0
F
1F
Interval-timed Response (X) 0
F
1F
Refresh Data (Y)
• With Extension Module R7C-EA16
RY(n+0)F to RY(n+0)0
Unused
(R7C-EC16x)
0
F
1F
Interval-timed Response (X) 0
F
1F
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
0
15
16-bit binary data
Negative values represented in 2’s complements
■ ANALOG INPUT
0
15
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
0
15
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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