Network Configuration - Hitachi HIDIC EH-150 Applications Manual
Devicenet master module(eh-rmd)/ slave controller(eh-iocd)/ discrete i/o slave unit (rdx16d,rdy16tp,rdy16r)
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Also See for HIDIC EH-150:
- Applications manual (114 pages) ,
- Instruction manual (29 pages) ,
- Applications manual (33 pages)
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3.2
Network Configuration
3.2.1
Overview
1]
2]
8]
7]
RDX16D
DeviceNet configuration devices are shown in table 3.1 .
These products must be prepared separately when using the EH-RMD/EH-IOCD and distributed I/O slave units on
DeviceNet.
No.
Device
1]
PC
2]
Configurator
3]
RS-232C interface
4]
PCI card interface
5]
PCMCIA interface
Communication
6]
power supply
Termination
7]
resistor
8]
Trunk line
9]
Drop line
10]
Device tap
11]
Power supply tap
4] PCI
5] PCMCIA
3] RS-232C
Maximum branch
line length 6m
HITACHI RXD16D
HITACHI RXD16D
M S
M S
N S
N S
Figure 3.2 Device network configuration
Table 3.1 Network configuration devices
Usage
Used as a platform for the configurator.
Creates a scan list and downloads to the master module.
Or issuing the Explicit message to the slave device.
Uses either 3], 4], or 5] to communicate with each device via the
network in case of using "RSNetWorx for DeviceNet" (made by
Rockwell Software).
In case of EH-RMDCFG (made by Hitachi), it communicates
with each device via a CPU module.
Communicates with DeviceNet using the serial port.
"1770-KFD" (made by Rockwell Automation)
Communicates with DeviceNet using the PCI card.
"1784-PCID" (made by Rockwell Automation)
Communicates with DeviceNet using the IC card.
"1784-PCD" (made by Rockwell Automation)
24 V DC network power supply
Attached to both ends of the trunk line. (121 Ω, 1% metal
coating, 1/4 W)
DeviceNet dedicated cables can be thick cable and/or thin cable.
The wiring length of the network varies depending on the cable
used.
Used as a connection between the trunk line and a drop line as
well as between two drop lines.
Used for supplying power to the network.
Chapter 3 System Configuration
10]
9]
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
E H -1 5 0
PO WER
4
5
6
7
4
5
6
7
4
5
6
7
4
5
6
7
8
9
10
11
8
9
10
11
8
9
10
11
8
9
10
11
12
13
14
15
12
13
14
15
12
13
14
15
12
13
14
15
3-2
EH-RMD
6]
Communication
power supply
11]
0
1
2
3
EH-IOCD
4
5
6
7
8
9
10
11
12
13
14
15
Remark
Windows
95/98/2000/NT/XP
.
Use one of these
interfaces, when
using the Rockwell
configurator.
Thick cable cannot
be used for a drop
line.
7]
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