Interface Specifics; Unit Control Bits - Omron CS1W-MCH71 MOTION CONTROL UNIT - 09-2004 Manual

Interface Specifics

7-4 Interface Specifics
Response Time
Note
7-4-1

Unit Control Bits

Word Variable
n+0 IW0300
Function
Command and Operation
Status Condition
This section provides detailed information on each bit in the PC IF Area and
the functions of data in allocated DM Area.
For each bit, description of 'Timing Chart' is provided. [T1] indicates the Unit
Scan while [Tu] indicates being not fixed.
T1
The MC Unit supports processing of great amounts of data and varieties of
peripheral devices to realize multi-axis applications. Due to the fact, it takes
the MC Unit a certain period of time (8 seconds min.) to get ready for opera-
tion.
To make the MC Unit receive commands from the PLC without fail, the bit
[Unit Ready] is provided. When sending commands from the PLC to the MC
Unit, make sure to check the bit [Unit Ready].
For details of the bit [Unit Ready], see page 401.
Bit
00 Unit Alarm Reset
• If an error that requires stopping internal operation of the Unit occurs, it
will be detected as an alarm.
• Using Unit Alarm Reset after having removed the cause of the error can
clear the alarm.
Name
Unit Alarm Reset
The alarm on Unit level will be cleared when the bit [Unit Alarm Reset] is
turned ON.
Name
Alarm Occurring
Unit Alarm Occurring 0: No alarm occurring on Unit level
Tu
Name
Specifications
0: Nil
1: Does not turn ON the bit [Unit Alarm]
↑: Clears the alarm occurring on Unit level
↓: Nil
Specifications
0: No alarm occurring
1: Alarm occurring on MC Unit (linked to ERC indicator)
1: Alarm occurring on Unit level
Section 7-4
I/O
Output
381