Omron CS1W-MCH71 -, Operation Manual

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424
Interface Specifics
Section 7-4
Alarm occurs when [Unit Alarm Reset] has been ON:
Function With this function, system parameters that have been changed using IOWR
instruction in the ladder program can be saved into the Flash ROM of the MC
Unit.
Command and Operation
• System parameters will be saved when the bit [System Parameter Save]
is turned ON.
• Turning OFF the bit [System Parameter Save] after the command recep-
tion will not interrupt the processing.
1
0
1
0
1
0
1
0
1
0
0
XXXX
0
T1 Tu
XXXX
T1 Tu
Another alarm occurs when [Unit
Alarm Reset] has been ON.
[Unit Alarm] will not turn ON when an alarm
occurs while [Unit Alarm Reset] is ON.
When the bit [Unit Alarm] is turned
OFF, whether reset has been
accepted or not will be checked.
When [Unit Alarm Reset] is turned
OFF, [Unit Alarm] will turn ON.
Unit Control Bit:
Unit Alarm Reset
Alarm Identification:
Alarm Occurring
Alarm Identification:
Unit Alarm Occurring
Unit Status Bit:
Unit Alarm
Unit Status Data:
Alarm Code
Internal Alarm Status
Word Variable Bit Name I/O
n+0 IW0300 01 System Parameter Save Output
Name Specifications
System Parameter
Save 0: Nil
1: Nil
↑
: Saves system parameters in the Flash ROM.
↓
: Nil