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Allocated Words in the CIO Area
4-3-4
Internode Test Status (CPU Unit to FL-net Unit)
4-3-5
No. of Internode Test Runs (FL-net Unit to CPU Unit)
4-3-6
No.
of Internode Test Timeout Errors (FL-net Unit to CPU Unit)
15
14
13
12
n+3
a) Error code
The internode test results are reflected here. (When the internode test is
started, all bits are turned back OFF.
a) Error codes
The applicable error code is stored in bits 13 to 15.
Bit
15
14
13
0
0
0
Normal completion.
1
1
1
Insufficient memory error:
b) Timeout error
Turns ON if no response is returned within the response monitoring
time.
c) Response error
Turns ON if the response frame is abnormal.
d) Send error
Turns ON if there is a timeout at the start of transmission, or if the
transmission is abnormal for any reason.
e) Data disagreement error
Turns ON if the data received is different from the data sent, or if the
data length does not match.
f)
Send parameter error
Turns ON if the address setting is incorrect.
15
14
13
12
n+3
Internode tests are executed repeatedly as long as the Internode Test Start
Bit, one of the Unit Control Bites in the CIO area, remains ON.
In this word, specify in hexadecimal the number of times that the internode
test is actually to be executed
15
14
13
12
n+4
Number of timeout errors
00 to FF (Hex)
The number of timeout errors that have occurred in the internode test is
stored in this word in hexadecimal.
11
10
9
8
7
6
5
b) Timeout error
c) Response error
d) Send error
e) Data disagreement error
f) Send parameter error
Meaning
11
10
9
8
7
6
5
Number of internode test runs
00 to FF (Hex)
11
10
9
8
7
6
5
Section 4-3
4
3
2
1
0
4
3
2
1
0
4
3
2
1
0
53
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