CV500BC031 Omron, CV500BC031 Datasheet - Page 278
CV500BC031
Manufacturer Part Number
CV500BC031
Description
Programmable Logic Controller
Manufacturer
Omron
Datasheet
1.CV500BC031.pdf
(403 pages)
Specifications of CV500BC031
Peak Reflow Compatible (260 C)
No
Leaded Process Compatible
No
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Communications Mechanism
Polling Node
8-1-2
CS/CJ-series Controller Link Units
C200HX/HG/HE Controller Link Units
CVM1 and CV-series Controller Link Units
CQM1H-series Controller Link Units
Setting the Polling and Polled Nodes
Note The node with the smallest node address is not always the polling node,
Each Controller Link Network always has a Unit that controls communications
within the network. This Unit is called the “polling node.” Normally, the node
that has the smallest node address in the network is the polling node (see
note). All Units at nodes other than the polling node are called “polled nodes”
(or polled units). The polling node controls the token, checks the network, and
performs other relevant tasks. Should the polling node break down, the node
with the next smallest node address is automatically selected as the polling
node to prevent the entire network from shutting down.
depending on the Unit start-up sequence, models, settings, and Unit status.
When the polling node breaks down, the next polling node is temporarily dis-
connected from the network, reconstructs the network, and then reconnects
to the network. Polling nodes remain connected to the network.
Use the Programming Device for the PLC to set Units as polling node or
polled node in the DM Parameter Area.
DM 30000 + 100 × N
N: Unit number
DM 2000 + 100 × N
N: Unit number
Operating level 0
DM 6400
Operating level 1
DM 6420
DM 6400
Token circulation
cycle
Communications cycle time
15 14 13 12 11 10 9
15 14 13 12 11 10 9
0
0
15 14 13 12 11 10 9
0
15 14 13 12 11 10 9
– 0 – 0 0 0 0 0 0 – – 0 0 0 0
– 0 – 0 0 0 0 0 0 – – 0 0 0
0
0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 – – 0 0 0 –
Polling node/polled node bit
0: Polling node
1: Polled node
Polling node/polled node bit
0: Polling node
1: Polled node
Polling node/polled node bit
0: Polling node
1: Polled node
Polling node/polled node bit
0: Polling node
1: Polled node
Polling cycle
Check
8
8
8
7
7
8
7
0 0 – – 0 0 0 –
Token circulation
cycle
6
6
7
6
5
5
6
Communications cycle time
5
4
4
5
4
3
3
4
3
2
2
3
2
1
1
2
1
0
0
1
0
0
Polling cycle
0
Check
–: Other settings
–: Other settings
–: Other settings
–: Other settings
Section 8-1
253
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