Delta MH300 Series - 16-5 Various PLC Device Functions

Chapter 16 PLC Function ApplicationsMH300
16-28
16-5 Various PLC Device Functions
Item
Specifications
Notes
Algorithmic control
method
The program is stored internally, alternating back-and-forth
scanning method.
Input/output control
method
When the scan starts again after ending (after execution to the
END command), the input / output is immediately refreshed.
Algorithmic
processing speed
Basic commands (several μs)
Application command (1
to several tens of μs)
Programming
language
Command + ladder diagram
Program capacity
5000 steps
Input/output
terminal
Digital input (X): 7, digital output (Y): 3
Analog input AI: 2, analog output AO: 1
Table 16-7
Type
Device
Item
Range
Function
Relay bit
form
X External input relay
X0–X17, 16 points, octal
number
Total
32
points
Corresponds to external
input point
Y External output relay
Y0–Y17, 16 points, octal
number
Corresponds to external
output point
M
Auxiliary
Relay
General Use
M0–M799, 800 points
Total
1080
points
Contact can switch
ON/OFF within the
program
Special
purpose
M1000–M1279, 280
points
T Timer 100 ms timer T0–T59, 160 points
Total
160
points
Timers referred to by the
TMR command; T contact
with the same number
switches ON when the
time is reached.
C Counter
16-bit
counter,
general use
C0–C79, 80 points
Total
80
points
Counter referred to by the
CNT command; contact of
the C with the same
number switches ON
when the count is
reached.
Register
word
data
T Current timer value T0–T159, 160 points
The contact switches ON
when the time is reached.
C Current counter value C0–C79, 16-bit counter 80 points
The counter contact
switches ON when the
count is reached.
D
Data
Register
Used to
maintain
power OFF
D0–D99, 100 points
Total
1020
points
Used as data storage
memory area
Special
purpose
D100–D399, 300 points
D1000–D1619, 620 points
Constant
K Decimal
Single-byte
Setting Range: K-32,768–K32,767
Double-byte
Setting Range: K-2,147,483,648–K2,147,483,647
H Hexadecimal
Single-byte
Setting Range: H0000–HFFFF
Double-byte
Setting Range: H00000000–HFFFFFFFF
Serial communications port
(program write/read)
RS-485/USB/keypad port
Input/output
Two built-in analog inputs and one analog output
High-speed counting
One built-in (MI7 or MI6+MI7 ) 32-bit high-speed counter
Function expansion module
Optional
Accessories
EMM-D33A; EMM-R2CA; EMM-R3AA; EMM-A22A
Communication expansion
module
Built-in CANopen (slave)
Optional
Accessories
Table 16-8