CV500BC051 Omron, CV500BC051 Datasheet - Page 253

• Manufacturer Part Number: CV500BC051
• Description: Programmable Logic Controller
• Manufacturer: Omron

Specifications of CV500BC051

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

6-7
6-7-1
228
Response Codes
Response Codes
Configuration
This section describes the response codes returned with responses to FINS
commands. Response codes can be used to confirm normal completion of
command execution or to troubleshoot problems when commands fail. For fur-
ther troubleshooting information, refer to SECTION 9 Troubleshooting and
Maintenance of this manual and to the operation manuals for specific Units or
Systems.
Response codes for FINS commands consist of two bytes that indicate the
result of executing a command. The structure of the response codes is shown
in the following diagram.
The main response code (MRES) in the first byte classifies the response and
the sub-response code (SRES) in the second byte indicates details under the
MRES classification.
If bit 7 of the first byte is ON, a network relay error has occurred. Refer to 6-7-
2 Network Relay Errors for details on troubleshooting the error.
If bit 6 or 7 of the second byte is ON, an error has occurred in the PLC or com-
puter returning the response. Refer to the operation manual for the device
returning the response for details when troubleshooting the error.
IR, SR, LR, HR, and AR Areas:
Timers/Counters: Status of the Completion Flag will be returned as fol-
lows:
Bit
Bit
00 (Hex): No forced status in effect
01 (Hex): Forced ON or forced OFF
Bit 15
15 14 13 12 11 10
7
Bit 14
Main response code (MRES)
6
1: Relay Error Flag
Bit 13
5
First byte
Bit 12
4
Bit 11
The status for each bit is as follows:
OFF (0): No forced status in effect
ON (1): Forced ON or forced OFF
3
Bit 10
2
Bit 9
9
1
Bit 8
8
0
Bit 7
7
7
Bit 6
6
6
Bit 5
Sub-response code (SRES)
5
5
1: PLC Non-fatal Error Flag
1: PLC Fatal Error Flag
Second byte
Bit 4
4
4
Bit 3
3
3
Bit 2
2
2
Section 6-7
Bit 1
1
1
Bit 0
0
0