Mitsubishi F940GOT-SWD-E Operation Manual page 16

Graphic Operation Terminal F940GOT
System screens
• Monitor function
List program (only in the FX Series)
- Programs can be read, written and monitored in the form of an instruction list program.
Buffer memory (only in the FX
- The contents of buffer memories (BFMs) of special blocks can be read, written and mon-
itored.
Device monitor
- The ON/OFF status of each device and the set value and the current value of each timer,
counter and data register in the PLC can be monitored and changed.
- Specified bit devices can be forced ON or OFF.
Unlike the monitor function described previously, the screen data can be edited by input-
ting a desired device No. from the keyboard.
• Data sampling function
The current value of specified data registers are acquired in a constant cycle or when the
trigger condition is satisfied.
- The sampling data can be displayed in the form of list or graph.
- The sampling data can be output to a printer in the form of list.
• Alarm function
Alarm messages can be assigned to up to 256 consecutive bit devices in the PLC. When a
bit device becomes ON, the assigned message is displayed (overlapped) on the user
screen.
In addition, a specified user screen can be displayed by setting a corresponding bit device
to ON.
- When a bit device becomes ON, a corresponding message is displayed on the user
screen. The message list can be also displayed.
- Up to 1,000 alarms (turning ON of bit devices) can be stored as the alarm history.
- The alarm frequency each device can be stored as historical data.
* As to 2), the alarm history can be output to a printer using the screen creation software.
• Other functions
Many other functions are built in.
- A real-time clock is built in, current time and data can be set and displayed.
- The GOT can function as an interface to enable data communication between the PLC
and a personal computer in which the relay ladder creation software is operating. At this
time, the GOT screen can also be displayed.
- The screen contrast and the buzzer sound volume can be adjusted.
and FX Series)
2N 2NC
Introduction 1
1-2