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1 OVERVIEW
(3) System setting errors
Motion CPUs generate a system configuration error under the following
conditions:
Error name
Error code
(Note-1)
Error cause Check timing
Operation at
error occurrence
LAY ERROR (SL )
• The slot set in system settings is vacant or a different
module is installed.
AXIS No. MULTIDEF • Duplicate axis No. is set in system settings.
AMP No. SETTING • Not a single axis is set in system settings.
AXIS No. ERROR • System setting data is not written.
I/O POINTS OVER
10000
(Note-2)
• The number of actual I/O points set in system settings
exceeds 256.
Cannot be
started.
(Motion CPU
system setting
error)
SP. UNIT LAY ERROR 2121
• A CPU module is installed in a slot except for a CPU slot
or slot 0 to 2.
SP. UNIT LAY ERROR 2124
(Note-3)
• A module is installed in 65 or subsequent slot.
• A module is installed in a base for which "None" is set in
base settings.
SP. UNIT LAY ERROR 2126
• There are no-installation slots between CPU modules.
• The modules except for the PLC CPU are installed
between the PLC CPU modules.
PARAMETER ERROR 3010
• The number of CPU modules set in the parameter differ
from the real installation in a Multiple CPU system.
PARAMETER ERROR 3012
• The reference CPU No. set in the parameter differ from
the setting in a Multiple CPU system.
PARAMETER ERROR 3013
Multiple CPU automatic refresh setting in any of the
followings in a Multiple CPU system.
• When a bit device is set as a refreshed, a number except
for a multiple of 16 is set as the refresh first device.
• A non-specifiable device is specified.
• The number of transmitting points is an odd number.
MULTI EXE. ERROR 7010
• A fault CPU is installed in a Multiple CPU.
• CPUs of unmatched versions are installed in a Multiple
CPU system. (This error is detected at the PLC CPU of
function version B.)
• Any CPU No. among CPU No.2 to 4 was reset, after
power supply on a Multiple CPU system. (This error
occurs by the reset CPU No..)
When the power
is turned ON/
the key is reset
Cannot be
started.
(Multiple CPU
system CPU
DOWN error)
(Note-1) : The error code stored in the diagnosis error area of the self operation information area in the Multiple CPU shared memory.
(Note-2) : When an error code 10000 is displayed, the M2041 ("System setting error" flag) turns ON and an applicable error name shown
above is displayed on the error list monitor of the programming software package.
(Note-3) : Base settings must be performed in System Settings of the Motion CPU even for those bases in which the modules controlled by
the self CPU are not installed.
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