Allen-Bradley 2080-LC20-20AWB, Руководство пользователя

Страница: 73 / 212

Rockwell Automation Publication 2080-UM005E-EN-E - March 2018
63
Communication Connections Chapter 5
EtherNet/IP to DeviceNet
Use Modems with
Micro800 Controllers
Serial modems can be used with the Micro820 controllers.
Making a DF1 Point-to-Point Connection
You can connect the Micro820 programmable controller to your serial modem.
The recommended protocol for this is Modbus RTU.
Construct Your Own Modem Cable
If you construct your own modem cable, the maximum cable length is 3 m (10 ft)
with a 25-pin or 9-pin connector. Refer to the following typical pinout for
constructing a straight-through cable:
DeviceNet
Micro820 controller
with
2080-DNET20 plug-in scanner
(Address 0)
PowerFlex 525 drive
with
25-COMM-D adapter
(Address 1)
EtherNet/IP
Esc
Sel
CompactBlock LDX I/O
(Address 2)
The user can use Connected Components Workbench to
configure the PowerFlex drives.
For program download
IMPORTANT
Micro800 controllers do not support more than one hop (for example,
from EtherNet/IP
→
CIP Serial
→
EtherNet/IP).
DTE Device
(Micro820
Channel 0)
DCE Device
(Modem, etc.)
n i P - 9 n i P - 5 2 n i P - 6
3 2 D X T D X T 5
2 3 D X R D X R 4
5 7 D N G D N G 6
1 8 D C D ) + ( B 1
4 0 2 R T D )- ( A 2
6 6 R S D 3
8 5 S T C
7 4 S T R
D N G