CV500ETN01 Omron, CV500ETN01 Datasheet - Page 214

• Manufacturer Part Number: CV500ETN01
• Description: Programmable Logic Controller
• Manufacturer: Omron

Specifications of CV500ETN01

• Peak Reflow Compatible (260 C): No
• Leaded Process Compatible: No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

7-3-25 PROTOCOL STATUS READ
Command Block
Response Block
Parameters
IP Status (Response)
Command/Response Reference
1,2,3...
Note
Reads the Ethernet Unit protocol status.
Twelve types of IP status information occupying 4 bytes each are returned in
the following sequence. Each value is returned as an 8-digit hexadecimal
value.
1. Total number of IP packets received.
2. The number of IP packets discarded due to an error with the checksum in
3. The number of IP packets discarded because the received packet was
4. The number of IP packets discarded because the minimum size of the IP
5. The number of packets discarded for one of the following reasons:
6. The number of IP packets discarded because the IP header length was
7. The number of fragmented packets received.
8. The number of received fragmented IP packets discarded because a
9. The number of fragmented IP packets discarded because they could not
10. Always 0.
11. The number of packets addressed to other networks that have been dis-
12. Always 0.
Refer to 7-3-26 MEMORY STATUS READ for details on the short buffer.
Command
Command
27 62
27 62
code
code
the packet header.
larger than the overall packet length value in the packet header.
header data could not be stored in the first short buffer (See note.) when
an attempt was made to store the packet. Refer to 7-3-26 MEMORY STA-
TUS READ and Appendix B Buffer Configuration.
larger than the overall packet length value in the packet header.
queue for reassembly could not be secured.
be reassembled within 12 seconds after being received.
carded.
• The IP header length value in the IP header was smaller than the
• The size of the first short buffer (See note.) was smaller than the IP
smallest size of the IP header.
header length value in the IP header when storing the packet.
Response
code
IP status
48 bytes
ICMP status
184 bytes
184 bytes
TCP status
UDP status
12 bytes
Section 7-3
189