MG R7I4DECT-1-DC32A Instruction Manual

INSTRUCTION MANUAL
EtherCAT I/O MODULE
(NPN transistor output, 32 points, e-CON connector)
MODEL
R7I4DECT-1-DC32A
BEFORE USE ....
POINTS OF CAUTION
Thank you for choosing us. Before use, please check contents 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.
■ CONFORMITY WITH EU DIRECTIVE
• The equipment must be mounted inside the instrument
panel of a metal enclosure.
• The actual installation environments such as panel configurations, connected devices, connected wires, may affect the protection level of this unit when it is integrated
in a panel system. The user may have to review the CE
requirements in regard to the whole system and employ
additional protective measures to ensure the CE conformity.
■ PACKAGE INCLUDES:
Discrete Output module......................................................(1)
Surface mounter slider........................................................(2)
■ 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.
■ ESI FILES
ESI files are downloadable at our web site.
■ POWER INPUT RATING & OPERATIONAL RANGE
• Locate the power input rating marked on the product and
confirm its operational range as indicated below:
24V DC rating: 24V ±10%, approx. 55mA
■ GENERAL PRECAUTIONS
• Before you remove the unit or mount it, turn off the power
supply, input signal, and output signal for safety.
■ 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 supplied, however, a warm up for 10 minutes is required for
satisfying complete performance described in the data
sheet.
EtherCAT® is a registered trademark and patented technology, licensed by Beckhoff Automation GmbH, Germany.
MG CO., LTD. www.mgco.jp
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R7I4DECT-1-DC32A
COMPONENT IDENTIFICATION
■ FRONT VIEW
Status Indicator LEDs
PWR
RUN
ERR
L/A OUT
L/A IN
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
Y9 YA YB YC YD YE
YF
Y10 Y11 Y12 Y13 Y14 Y15 Y16 Y17 Y18 Y19 Y1A Y1B Y1C Y1D Y1E Y1F
X16
01
BCD
67
89A
ECT OUT
45
1
X1
01
BCD
89A
Dev. ID
4
45
67
EF
23
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
Y9
YA
YB
YC
YD
YE
YF
1
ECT IN
RJ-45 Modular Jack for
EtherCAT Communication
23
EF
OUTPUT
CNFG.
4
Y10
Y11
Y12
Y13
Y14
Y15
Y16
Y17
Y18
Y19
Y1A
Y1B
Y1C
Y1D
Y1E
Y1F
Output Terminals
Fixed Address Setting Rotary SW
OUTPUT
PC Configurator Jack
Discrete Output Status Indicator LEDs
Terminals for
power supply &
sensor excitation
■ STATUS INDICATOR LED
ID
FUNCTION
COLOR
Power
Internal power
Green
RUN
Device state
Green
ERR
Error
Red
STATUS
Off
On
Off
Blinking
Single Flash
On
Off
Blinking
Single Flash
Double Flash
L/A IN
IN port status
Green
L/A OUT
OUT port status
Green
On
Off
Flickering
On
Off
Flickering
On
Error
Normal
INIT
PRE-OPERATIONAL
SAFE-OPERATIONAL
OPERATIONAL
No error
Invalid Configuration
Local error
Process data watchdog timeout/
EtherCAT watchdog timeout
Application controller failure
No Link
Link and activity
Link without activity
No Link
Link and activity
Link without activity
Blinking
200ms-On, 200ms-Off
Single flash
200ms-On, 1000ms-Off
Double flash
200ms-On, 200ms-Off, 200ms-On, 1000ms-Off
Flickering
50ms-On, 50ms-Off
■ FIXED ADDRESS SETTING ROTARY SW (ID selector)
Fixed address 1 to 255 can be set using the two rotary
switches each marked 0 to F in combination.
When fixed address is not used, set the switches to 0.
Settable range: 0 to 255
Factory default: 0
3456
BCDE
F 012
Fixed Address Setting (x16)
7 89 A
3456
BCDE
F 012
Fixed Address Setting (x1)
7 89 A
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R7I4DECT-1-DC32A
■ POWER SUPPLY AND SENSOR EXCITATION
Cable connector: TFMC1,5 / 5-STF-3,5
(Phoenix Contact) (comes with the unit)
Applicable wire size: 0.2 − 1.5 mm2
Stripped length: 10 mm
Recommended solderless terminal
• AI0,25−10YE
0.25 mm2 (Phoenix Contact)
• AI0,34−10TQ
0.34 mm2 (Phoenix Contact)
• AI0,5−10WH
0.5 mm2 (Phoenix Contact)
• AI0,75−10GY
0.75 mm2 (Phoenix Contact)
• A1−10
1.0 mm2 (Phoenix Contact)
• A1,5−10
1.5 mm2 (Phoenix Contact)
1
2
3
4
5
PIN
No.
1
2
3
4
5
ID
PWR+
PWR–
FE
SNSR.EXC+
SNSR.EXC–
FUNCTION
Power Supply
Power Supply
Functional earth
Sensor excitation
Sensor excitation
Note: The number marked on the connector is irrelevant to the
pin number of the unit.
Perform wiring according to this instruction manual.
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R7I4DECT-1-DC32A
■ OUTPUT TERMINAL ASSIGNMENTS
• e-CON connector
Recommended cable connector: 37104-( )-000FL (3M Company) (does not come with the unit)
(Specify wire size instead of ( ); refer to manufacturer’s specifications for details.)
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
Y9
YA
YB
YC
YD
YE
YF
1
4
1
4
Y10
PIN No.
1
2
Y0
3
4
1
2
Y1
3
4
1
2
Y2
3
4
1
2
Y3
3
4
1
2
Y4
3
4
1
2
Y5
3
4
1
2
Y6
3
4
1
2
Y7
3
4
ID
+24V
NC
NC
Y0
+24V
NC
NC
Y1
+24V
NC
NC
Y2
+24V
NC
NC
Y3
+24V
NC
NC
Y4
+24V
NC
NC
Y5
+24V
NC
NC
Y6
+24V
NC
NC
Y7
FUNCTION
24V DC
Unused
Unused
Input 0
24V DC
Unused
Unused
Input 1
24V DC
Unused
Unused
Input 2
24V DC
Unused
Unused
Input 3
24V DC
Unused
Unused
Input 4
24V DC
Unused
Unused
Input 5
24V DC
Unused
Unused
Input 6
24V DC
Unused
Unused
Input 7
Y11
PIN No.
1
2
Y8
3
4
1
2
Y9
3
4
1
2
YA
3
4
1
2
YB
3
4
1
2
YC
3
4
1
2
YB
3
4
1
2
YE
3
4
1
2
YF
3
4
Y12
Y13
ID
+24V
NC
NC
Y8
+24V
NC
NC
Y9
+24V
NC
NC
YA
+24V
NC
NC
YB
+24V
NC
NC
YC
+24V
NC
NC
YD
+24V
NC
NC
YE
+24V
NC
NC
YG
Y14
Y15
Y16
FUNCTION
24V DC
Unused
Unused
Input 8
24V DC
Unused
Unused
Input 9
24V DC
Unused
Unused
Input 10
24V DC
Unused
Unused
Input 11
24V DC
Unused
Unused
Input 12
24V DC
Unused
Unused
Input 13
24V DC
Unused
Unused
Input 14
24V DC
Unused
Unused
Input 15
Y17
Y18
Y19
Y1A Y1B
PIN No.
1
2
Y10
3
4
1
2
Y11
3
4
1
2
Y12
3
4
1
2
Y13
3
4
1
2
Y14
3
4
1
2
Y15
3
4
1
2
Y16
3
4
1
2
Y17
3
4
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Y1C Y1D Y1E Y1F
ID
+24V
NC
NC
Y10
+24V
NC
NC
Y1
+24V
NC
NC
Y2
+24V
NC
NC
Y3
+24V
NC
NC
Y4
+24V
NC
NC
Y5
+24V
NC
NC
Y6
+24V
NC
NC
Y7
FUNCTION
24V DC
Unused
Unused
Output 16
24V DC
Unused
Unused
Output 17
24V DC
Unused
Unused
Output 18
24V DC
Unused
Unused
Output 19
24V DC
Unused
Unused
Output 20
24V DC
Unused
Unused
Output 21
24V DC
Unused
Unused
Output 22
24V DC
Unused
Unused
Output 23
PIN No.
1
2
Y18
3
4
1
2
Y19
3
4
1
2
Y1A
3
4
1
2
Y1B
3
4
1
2
Y1C
3
4
1
2
Y1D
3
4
1
2
Y1E
3
4
1
2
Y1F
3
4
ID
+24V
NC
NC
Y18
+24V
NC
NC
Y9
+24V
NC
NC
YA
+24V
NC
NC
YB
+24V
NC
NC
YC
+24V
NC
NC
YD
+24V
NC
NC
YE
+24V
NC
NC
YF
FUNCTION
24V DC
Unused
Unused
Output 24
24V DC
Unused
Unused
Output 25
24V DC
Unused
Unused
Output 26
24V DC
Unused
Unused
Output 27
24V DC
Unused
Unused
Output 28
24V DC
Unused
Unused
Output 29
24V DC
Unused
Unused
Output 30
24V DC
Unused
Unused
Output 31
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R7I4DECT-1-DC32A
PC CONFIGURATOR
The following parameter items can be configured with the PC configurator software (model: R7CFG).
Refer to the users manual of the software for detailed operations.
■ CHANNEL INDIVIDUAL SETTING
PARAMETER
Unused setting
SETTING RANGE
CH enabled
CH disabled
DEFAULT
CH enabled
SETTING RANGE
Output hold
Output clear
DEFAULT
Output hold
■ CHANNEL BATCH SETTING
PARAMETER
Output at communication error
MOUNTING INSTRUCTIONS
■ DIN RAIL MOUNTING (PARALLEL)
• Mounting the unit
1) Hook the upper hook at the rear side of the base onto the
DIN rail.
2) Push the lower part of the unit in the direction of the arrow until the base is firmly fixed to the DIN rail.
■ WALL MOUNTING
1) Insert the two DIN rail mounter sliders until they click
once, as shown below.
1
1
2
2) Mount the unit with M4 screws referring to the “MOUNTING REQUIREMENTS unit: mm (inch)” on page 7.
(Torque: 1.4 N∙m)
1
• Removing the unit
1) Push down the slider using a minus screwdriver.
2) Pull out the lower part of the unit.
3) Remove the upper part of the unit from the DIN rail.
2
3
1
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R7I4DECT-1-DC32A
TERMINAL CONNECTIONS
Connect the unit as in the diagram below.
■ EXTERNAL DIMENSIONS unit: mm (inch)
186 (7.32)
172 (6.77)
165 (6.50)
41 (1.61)
5 3.5
(.20) (.14)
50 (1.97)
DIN rail
(35mm wide)
2-4.3 (.17) dia
4 (.16) deep
4 (.16)
■ CONNECTION DIAGRAM
Note: In order to improve EMC performance, bond the FE terminal to ground.
Caution: FE terminal is NOT a protective conductor terminal.
EtherCAT (IN)
RJ-45 Modular Jack
EtherCAT (OUT)
RJ-45 Modular Jack
CONFIGURATION
CONNECTOR
1
2
3
4
+24V
NC
NC
OUTPUT Y0
Y0
•
•
•
•
•
USB Connector
1
2
3
4
+24V
1
2
3
4
5
PWR+
1
2
3
4
5
NC
NC
OUTPUT Y1F
YF
PWR–
POWER SUPPLY (IN)
FE
SNSR.EXC+
SNSR.EXC–
PWR+
PWR–
SENCOR EXCITATION
(IN)
POWER SUPPLY (OUT)
FE
SNSR.EXC+
SNSR.EXC–
SENCOR EXCITATION
(OUT)
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R7I4DECT-1-DC32A
MOUNTING REQUIREMENTS unit: mm (inch)
175 (6.89)
2−M4
EtherCAT SPECIFICATIONS
■ Modular Device Profile
R7I4DECT-1-DC32A complies with the Modular Device Profile (MDP) standard, ETG.5001.1 of the EtherCAT standard.
Be sure that the master supports the MDP standard.
■ Fixed address
R7I4DECT supports Explicit Device Identification by allowing setting of fixed address using the fixed address setting rotary
switches (ID selector).
The fixed address can be set to be 1 to 255.
When fixed address is not used, set the ID selector to 0.
When the power is turned on with the ID selector set to other than 0, the designated address is written in the resistor 0x0012
of ESC (EtherCAT Slave Controller) when R7I4DECT starts up.
■ Initialization
At the start up, objects of the process data mapping (RxPDO, TxPDO) corresponding to the I/O data of the device, and the
other objects are created in the object dictionary.
After initialization, the master unit is available to require to the slave unit (R7I4DECT-1-DC32A) to switch the status from
INIT to PREOP.
If the initialization is not completed due to any error with the module, switching requirement is rejected with AL status code
at switching from INIT to PREOP.
■ Data Configuration
Data are configured in accordance with the EtherCAT Modular Device Profile (MDP) specifications as shown below.
Table 1: Data Configuration
OBJECT
Input Area Objects
Output Area Objects
PDO Mapping Objects (TxPDO)
PDO Mapping Objects (RxPDO)
PDO Assign (IN)
PDO Assign (OUT)
Sync Manager Type
Sync Manager Parameter Objects
Device Type
Manufacturer Device Name
Manufacturer Hardware Version
Manufacturer Software Version
Identity Objects
ADDRESS
0x6001
0x7000
0x1A00
0x1600
0x1C13
0x1C12
0x1C00
0x1C32, 0x1C33
0x1000
0x1008
0x1009
0x100A
0x1018
CONTENT
Input data, Output status data
Output data
Input data list
Output data list
Input data transmission order
Output data transmission order
Sync manager type
Sync mode
Device type
Device name
Hardware version
Software version
Vendor information
■ EtherCAT State
EtherCAT defines four states of slave: INIT, PREOP, SAFEOP, and OP.
TxPDO (input configuration data) is updated only in the SAFEOP or OP state, and RxPDO (output configuration data) is
updated only in the OP state.
The RUN LED turns on only in the OP state and input and output data are updated.
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R7I4DECT-1-DC32A
■ EtherCAT Diagnostics
• AL Status Code
When the slave (R7I4DECT) fails to receive a request from the master or when there is a problem with the slave during normal communication, an error code is set to registers 0x0134 and 0x0135 (AL Status Code) of ESC.
The error codes that R7I4DECT uses are as shown below.
Table 2: Error Codes of AL Status Code
CODE
0x0000
0x0011
0x0012
0x0013
0x0016
0x0017
0x001B
0x001D
0x001E
0x001F
0x0029
ERROR
No error
Invalid requested state change
Unknown requested state
BOOT state not supported
Invalid MailBox configuration (PREOP)
Invalid SyncManager configuration
SyncManager Watchdog Timeout
Invalid Output Configuration
Invalid Input Configuration
Invalid Watchdog Configuration
FreeRun needs 3 Buffer mode
• SDO Abort Code
When the master attempts to access the object dictionary via SDO, if the slave (R7I4DECT) fails to receive SDO messages for
any reason, R7I4DECT sends an error code (SDO Abort Code) to the master and denies its access.
The following error codes are used.
Table 3: Error Codes of SDO Abort Code
CODE
0x05030000
0x05040001
0x05040005
0x06010000
0x06010002
0x06020000
0x06070010
0x06090011
0x08000020
0x08000022
ERROR
Toggle bit not changed
Client/Server command specifier not valid or unknown
Out of memory
Unsupported access to an object
Attempt to a read-only object
The object does not exist in the object directory
Data type does not match, length of service parameter does not match
Sub-index does not exist
Data cannot be transferred or stored to the application
Data cannot be transferred or stored to the application because of the present device state
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R7I4DECT-1-DC32A
OBJECT DICTIONARY (DATA DESCRIPTION)
■ Input Area Objects (Input Data Area: 0x6001)
Output status data is allocated to object 0x6001. (Refer to “I/O DATA DESCRIPTIONS” on page 11)
Sub-Indexes correspond to channel numbers.
■ Output Area Objects (Output Data Area: 0x7000)
Output data is allocated to object 0x7000.
Same data is allocated to object 0x7000 and 0x7100, while only the data type is different.
Sub-Indexes correspond to channel numbers.
Table 4: Sub-Index Configuration By Module Type
MODULE TYPE
Discrete output status
INDEX
0x6001
Discrete output, 32 points
0x7000
Discrete output, 32 points
0x7100
SUB-INDEX
0
1
DATA TYPE
UINT8
UINT16
BIT
8
16
ACCESS
RO
RO
VALUE
1
0x0000
2
UINT16
16
RO
0x0000
0
1
2
:
32
0
1
UINT8
BOOL
BOOL
:
BOOL
UINT8
UINT16
8
1
1
:
1
8
16
RO
RW
RW
:
RW
RO
RW
16
TRUE/FALSE
TRUE/FALSE
:
TRUE/FALSE
2
0x0000
2
UINT16
18
RW
0x0000
CONTENT
Number of items
Output status data
(0th to 16th points)
Output status data
(17th to 32nd points)
Number of items
First point output data
Second point output data
:
32th point output data
Number of iems
Output data
(0 tp 16 points)
Output data
(17 to 32 points)
■ PDO Mapping Objects (Data List: 0x1600, 0x1A00)
• Objects 0x1600, 0x1A00
Output data list (RxPDO) and Input data list (TxPDO) are allocated to 0x1600 and 0x1A00, respectively.
In the data of RxPDO and TxPDO, index, sub-index, and the number of bit of each object which is referred to, are stored.
For input data, each object with the address starting with 0x6000 is referred to.
For output data, each object with the address starting with 0x7000 is referred to.
Table 5: Object Configuration For Output Data List And Input Data List
INDEX
0x1600
(RxPDO)
0x1A00
(TxPDO)
SUB-INDEX
0
1
2
:
16
0
1
DATA TYPE
UINT8
UINT32
UINT32
:
UINT32
UINT8
UINT32
BIT
8
32
32
:
32
8
32
ACCESS
RO
RO
RO
:
RO
RO
RO
VALUE
16
0xaaaabbcc
CONTENT
Number of items
aaaa: Index for referenced object
bb: Sub-Index for referenced object
cc: Number of bits for referenced
object
1
0xaaaabbcc
Number of items
aaaa: Index for referenced object
bb: Sub-Index for referenced object
cc: Number of bits for referenced
object
■ PDO Assign Objects (Data Transmission Order, Output: 0x1C12, Input: 0x1C13)
An allocation list for RxPDO and an allocation list for TxPDO are allocated to 0x1C12 and 0x1C13, respectively.
The indexes stored in 0x1C12 and 0x1C13 are placed in the order they are actually transmitted via PDO.
Table 6: Object Configuration For PDO Allocation Lists
INDEX
0x1C12
0x1C13
SUB-INDEX
0
1
0
1
DATA TYPE
UINT8
UINT16
UINT8
UINT16
BIT
8
16
8
16
ACCESS
RO
RO
RO
RO
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VALUE
2
0x1600
3
0x1A00
CONTENT
Number of items
Output data
Number of items
Input data, Status data
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R7I4DECT-1-DC32A
■ Sync Manager Type (0x1C00)
Sync Manager Type is allocated to object 0x1C00 based on the EtherCAT specification.
Table 7: Object Configuration For Sync Manager Type
INDEX
0x1C00
SUB-INDEX
0
1
2
3
4
DATA TYPE
UINT8
UINT8
UINT8
UINT8
UINT8
BIT
8
8
8
8
8
ACCESS
RO
RO
RO
RO
RO
VALUE
4
1
2
3
4
CONTENT
Number of items
Mailbox Write
Mailbox Read
Process Output Data
Process Input Data
■ Sync Manager Parameter Objects (0x1C32, 0x1C33)
In R7I4DECT, objects 0x1C32 and 0x1C33 do not exist, as the value of Sync Manager Parameter is fixed.
R7I4DECT supports Free Run mode only as the Sync mode.
Note that Distributed Clock (DC) mode is not supported.
■ Device Type (0x1000)
The device type of this unit is allocated to object 0x1000. The device type is 5001.
Table 8: Object Configuration For Device Type
INDEX
0x1000
DATA TYPE
UINT32
BIT
32
ACCESS
RO
VALUE
5001
CONTENT
Device type
■ Error Register (0x1001)
R7I4DECT does not use Object 0x1001.
■ Manufacturer Device Name (0x1008)
The device name is allocated to object 0x1008 in String form.
Table 9: Object Configuration For Device Name
INDEX
0x1008
DATA TYPE
STRING
BIT
32
ACCESS
RO
VALUE
R7I4DECT-1-DC32A
CONTENT
Model number
■ Manufacturer Hardware Version (0x1009)
The hardware device version of this unit is allocated to object 0x1009 in String form.
The format of version is “n.nn.”
Table 10: Object Configuration For Hardware Version
INDEX
0x1009
DATA TYPE
STRING
BIT
32
ACCESS
RO
VALUE
n.nn
CONTENT
Hardware version
■ Manufacturer Software Version (0x100A)
The software version of this unit is allocated to object 0x100A in String form.
The format of version is “n.nn.”
Table 11: Object Configuration For Software Version
INDEX
0x100A
DATA TYPE
STRING
BIT
32
ACCESS
RO
VALUE
n.nn
MG CO., LTD. www.mgco.jp
5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
CONTENT
Software version
EM-7779-J Rev.1
P. 10 / 12
R7I4DECT-1-DC32A
■ Identity Object (Vendor information: 0x1018)
Vendor information is allocated to object 0x1018.
While the vendor ID and product code are fixed, the revision number is incremented by one at each major version up of the
software.
A unique serial number is allocated to each product.
A serial number consists of 8 digits, starting with two alpha-numeral characters followed by six numeral characters.
The serial number is expressed as 32-bit data divided into 6-bit, 6-bit, and 20-bit groups, with the first two characters converted into 6-bit values.
6 BITS
1st digit
6 BITS
2nd digit
CHARACTER
0
1
:
9
A
B
:
Z
VALUE
0
1
:
9
10
11
:
35
20 BITS
3rd to 8th digits (000000 to 999999)
Table 12: Object Configuration For Vendor Information
INDEX
0x1018
SUB-INDEX
0
1
2
3
4
DATA TYPE
UINT8
UINT32
UINT32
UINT32
UINT32
BIT
8
32
32
32
32
ACCESS
RO
RO
RO
RO
RO
VALUE
4
0x0000060C
0x52370007
n
0 to n
CONTENT
Number of items
Vendor ID
Product code
Revision number
Serial number
I/O DATA DESCRIPTIONS
■ DISCRETE I/O DATA
■ DESCRETE OUTPUT MODEULE
• Output Area Objects
31
16 15
0
Output 0
Output 1
Output 2
Output 3
Output 30
Output 31
0: OFF 1: ON
MG CO., LTD. www.mgco.jp
5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
EM-7779-J Rev.1
P. 11 / 12
R7I4DECT-1-DC32A
■ STATUS (Input Area Object)
31
16 15
0
Output 0 (Overcurrent/overheat; disconnection)
Output 1 (Overcurrent/overheat; disconnection)
Output 2 (Overcurrent/overheat; disconnection)
Output 3 (Overcurrent/overheat; disconnection)
Output 30 (Overcurrent/overheat; disconnection)
Output 31 (Overcurrent/overheat; disconnection)
0: Normal
1: Detected the overcurrent/overheat and disconnection
Note: Status is disabled with option code: /D1 (without wire breakdown detection).
When overcurrent or overheat is detected on each channel of discrete output while the output is ON, the status bit corresponding to the output turns “1” and is latched*. Then the discrete output is also latched to OFF.
To reset the latched bit and discrete output, set this output to OFF from the host PC/PLC or turn off and on the power supply
to the unit.
When disconnection (open load) is detected while output is OFF, the corresponding status bit turns “1” but is not latched.
* The status bit turns “0” if the load is opened in the state overcurrent or overheat is detected. However, the discrete output of the
unit remains latched. Be sure to remove the cause of error and reset the latched output by setting the output to OFF or turning
off/on the power supply.
MG CO., LTD. www.mgco.jp
5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
EM-7779-J Rev.1
P. 12 / 12
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