Mitsubishi MELSEC-A series Operating Manual

2. LET,'S TRY USING THE A8PUE
MELSEC-A
2.5 Let's Try Uslng Help
The [HELP] key is pressed when using the help functions.
The help function items of each mode are displayed in a menu format by
pressing the
[HELP] key. Therefore, corresponding items can be selected and
executed.
This section explains, as sample operations, the reading operation by using
instruction designation and the changing operation
of the display format of a
current value.
2.5.1 Readlng an instruction In a sequence program
This section explains how to read the place where the "MOV" instruction is
used in the sequence program.
[Sample operation]
@ HELP I
1:COp[BNT DIEPLAY
CLMR:BND
Press the [HELP] key in the READ
mode.
1:I€fSTRDCTIOB
1 : BTEP
KEY IW IIRTRDCTION
KEY IN IBSTRUCTIOB
[YOV I
Select "1 : READ'
Select "2: INSTRUCTION'
Set the
"MOV" instruction.
*
A 13bYOV
R 6 D10
'MOV D20 K2Y18' of the 13th step
13 010
13 K1YOl8
isread.
13)YOV
13 D2O
Message when there is not a 'NOW
instruction in the steps after 13th
Reading an instruction by using the help function in-
struction designation has now been completed.
Now, let's try changing a current value display format.

Mitsubishi MELSEC-A series Specifications

General

Type	Programmable Logic Controller (PLC)
Series	MELSEC-A
I/O Capacity	Varies depending on the CPU and expansion modules used.
I/O Points	Varies depending on the CPU and expansion modules used.
Programming Language	Instruction List
Program Memory	Varies by model
Data Memory	Varies by model
Communication Protocols	MELSECNET
Communication Ports	Varies by model
Power Supply	AC 100-240V, DC 24V (varies by model)
Expansion Modules	Available (varies by model)
I/O Modules	Digital, Analog
Memory	RAM, EEPROM
Operating Temperature	0°C to 55°C
Storage Temperature	-25°C to 75°C
Humidity	5 to 95% RH, non-condensing
Vibration Resistance	10 to 57Hz: 0.075mm amplitude, 57 to 150Hz: 9.8m/s²