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I-7242D 
DeviceNet / Modbus RTU Gateway |
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The I-7242D is
one of CAN bus products in ICP DAS. The device allows a master
located on a DeviceNet network to enter into a dialogue with the
slaves on a Modbus RTU network In DeviceNet network, it is a Group 2 Only Slave device, and supports ¡§Predefined Master/Slave
Connection Set¡¨.
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It is a general protocol converter operating
in a way that is transparent to the user. In addition, we also
provide the utility software for users to configure the I-7242D¡As
parameters and build the EDS file. Users can easily apply Modbus
RTU devices in DeviceNet applications with the I-7242D. |
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• Control System•
Building Automation• Factory Automation• Distributed
data acquisition
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Group two only server DeviceNet
subscriber
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Dynamic Assembly Objects Mapping
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On-line change baud rate and MAC ID of CAN
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NS, MS and IO LED indicators
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7-segmemt LED to show operation mode, MAC ID,
baud rate and error code
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Connection supported:
1
¡§Explicit Connection¡¨
1
¡§Polled Command/Response¡¨ connection
1¡¨Bit-Strobed
Command/Response¡¨ connection
1¡¨Change-of-State / Cyclic¡¨
connection
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Configuration facilitated by the use of specific
EDS files
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Dedicated Explicit message interface for full
Modbus interface
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Explicit & I/O length: 240 bytes max.
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Maximum number of subscribers:
10 Modbus commands
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Communication speed: 1200,2400,4800,9600,19200,38400,57600
or 115200 bits/s, configured using Utility.
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Data bits: 8 bits, configured using Utility
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Parity bits: None, even or odd, configured using
Utility
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Stop bits: 1 or 2 bits, configured using Utility
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The I-7242D Utility is help
users to configure the devices, and has following features: |
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Support DeviceNet node ID, baud rate
setting
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Support Modbus RTU parameters setting
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Show Modbus RTU devices configuration
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Show DeviceNet application and assembly
objects configuration
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Support DeviceNet Polling, Bit-Strobe
and COS/Cyclic Produced and Consumed connection path setting
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Dynamic produce EDS file
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The simple steps
about how to use DNS_MRU gateway are described as follows:
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Code |
Name |
Description |
01 (0x01)
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Read Coil Status |
Read the ON/OFF status
of discrete outputs in the slave |
02 (0x02) |
Read
Input Status |
Read
the ON/OFF status of discrete inputs in the slave |
03 (0x03) |
Read
Holding Registers |
Read
the binary contents of holding registers in the slaves |
04 (0x04) |
Read
Input Registers |
Read
the binary contents of input registers in the slaves |
15
(0x0F) |
Force Multi Coils |
Forces
each coil in a sequence of coils to either ON or OFF |
16 (0x10) |
Preset
Multi Registers |
Preset value into
a sequence of holding registers |
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Hardware |
Watchdog |
Watchdog IC |
CAN Interface |
Controller |
NXP SJA1000T with 16 MHz clock |
Transceiver |
NXP 82C250 |
Connector |
5-pin screwed terminal block (CAN_L, CAN_H, N/A for others) |
Isolation |
1000 VDC for DC-to-DC, 2500 Vrms for photo-couple |
Protocol |
DeviceNet Volumn I ver2.0, Volumn II ver2.0 |
UART Interface |
COM 1 |
RS-232 (For configuration) |
COM 2 |
RS-485 (Self-turner inside) |
Baud Rate (bps) |
1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 |
Data bit |
7, 8 |
Stop bit |
1, 2 |
Parity |
None, Even, Odd |
Protocol |
Modbus RTU |
LED |
Round LED |
MS LED, NS LED, IO LED |
5-digit 7 Segment |
Yes |
Power |
Power supply |
Unregulated +10 ~ +30 VDC |
Protection |
Power reverse polarity protection, Over-voltage brown-out protection |
Power Consumption |
3 W |
Mechanism |
Dimensions |
72mm x 122mm x 33mm (W x L x H) |
Environment |
Operating Temp. |
-25 ~ 75 ¢J |
Storage Temp. |
-30 ~ 80 ¢J |
Humidity |
10 ~ 90% RH, non-condensing |
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I-7242D-G
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DeviceNet Slave / Modbus RTU Master Gateway
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I-7242D-G CR
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DeviceNet Slave / Modbus RTU Master Gateway (RoHS)
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CAN bus Connector |
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9-pin Female D-sub & 3-wire CAN bus cable (1M) |
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7/14 channel Surge Protector |
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EMI Ferrite Split/Snap-On Core
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Field-Installation A-coded 5-pin Female
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