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UNIRD(P)
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7.18 Other instructions
7.18.9 Reading Module Information (UNIRD(P))
The details of the module information are described as follows:
*1: The Universal model QCPU used in the multiple CPU system is turned ON during the online
module change of the module controlled by the other CPU.
Operation Error
(1) In any of the following cases, an operation error occurs, the error flag (SM0) turns ON, and
an error code is stored into SD0.
[High Performance model QCPU, Process CPU, Redundant CPU and Universal model
QCPU]
• When n1 is other than 0 to FF
H
(Error code: 4100)
• When n2 is other than 0 to 256 (Error code: 4100)
• When a total of n1 and n2 is equal to or greater than 257 (Error code: 4100)
[Q00/Q01CPU]
• When n1 is other than 0 to 3F
H (Error code: 4100)
• When n2 is other than 0 to 64 (Error code: 4100)
• When a total of n1 and n2 is equal to or greater than 65 (Error code: 4100)
[Q00JCPU]
• When n1 is other than 0 to F
H
(Error code: 4100)
• When n2 is other than 0 to 16 (Error code: 4100)
• When n1 and n2 is equal to or greater than 17 (Error code: 4100)
Bit Item Meaning
b0
Number of I/O points
000: 16 points 001: 32 points
010: 48 points 011: 64 points
100: 128 points 101: 256 points
110: 512 points 111: 1024 points
b1
b2
b3
Module type
000: Input module
001: Output module
010: I/O mixed module
011: Intelligent function module
b4
b5
b6
External supply power status
(For future expansion)
1: External supply power is connected. 0:
External supply power is not connected.
b7
Presence/absence of fuse
blown
1: Some modules have fuse blown. 0: Normal
b8
Online module replacement
status/
execution from the standby
system
1: Module information on the extension base unit is tried to be read during online
module change or from the CPU module of standby system in the redundant
system.
*1
0:
Other than above
b9 Minor/medium error status
1: Minor/medium error occurred 0: Normal
b10
Module error status
00: No module error 01: Minor error
10: Medium error 11: Serious error
b11
b12 Module standby status
1: Normal 0: Module error occurred
b13 Empty Fixed to 0
b14 Q module
0: Q series module
b15 Module installation status
1: Modules are installed. 0: No modules are installed.
Individual module
information
b15
b14
b13
b12 b11
b10 b9 b8
b7
b6 b5
b4
b3
b2 b1
b0
Bit