Reference
Name
Definition
%S0017
SNPXACT
SNP-X host is actively attached to CPU port 1. (Port 2 defaults to
disabled, and must be activated with a CRQ).
%S0018
SNPX_RD
SNP-X host has read data from CPU port 1.
%S0019
SNPX_WT
SNP-X host has written data to CPU port 1.
%S0020
Set ON when a relational function using REAL data executes
successfully. It is cleared when either input is NaN (Not a Number).
%S0021
FF_OVR
Set to report a Fatal Fault Overide.
%S0022
USR_SW
Set to reflect the state of the CPU mode switch.
1 = Run/On
0 = Stop/Off
%S0023-32
reserved
9.3.3
%SA, %SB, and %SC References
References in %SA, %SB, and %SC memory can be both read and written to.
%SA0003
APL_FLT
Set when an application fault occurs. Cleared when the PLC transitions
from STOP to RUN mode.
%SA0004-8
reserved
%SA0009
CFG_MM
Set when a configuration mismatch is detected during power-up or a
configuration store. Cleared by powering up the PLC after correcting
the condition.
%SA0010
HRD_CPU
Set when the diagnostics detects a problem with the CPU hardware.
Cleared by replacing the CPU module.
%SA0011
LOW_BAT
Set when a low battery fault occurs. Cleared by replacing the battery
then powering up the PLC.
%SA0012,13
reserved
%SA0014
LOS_IOM
Set when an I/O module stops communicating with the CPU. Cleared
by replacing the module and cycling system power.
%SA0015
LOS_SIO
Set when an option module stops communicating with the CPU.
Cleared by replacing the module and cycling power on the main rack.
%SA0016-18
reserved
%SA0019
ADD_IOM
Set when an I/O module is added. Cleared by cycling PLC power and
when the configuration matches the hardware after a store.
%SA0020
ADD_SIO
Set when an option module is added. Cleared by cycling PLC power
and when the configuration matches the hardware after a store.
%SA0021-26
reserved
%SA0027
HRD_SIO
Set when a hardware failure is detected in an option module. Cleared
by replacing the module and cycling PLC power.
%SA0028-30
reserved
%SA0031
SFT_SIO
Set when an unrecoverable software fault is detected in an option
module. Cleared by cycling PLC power and when the configuration
matches the hardware.
118
GFK-1503E
VersaMax PLC User Manual
For public disclosure
Содержание VersaMax PLC
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