User`s manual

8 - 34 8 - 34
MELSEC-Q
8 I/O CONTROL INSTRUCTIONS
Control data
(1) Data specified in S.PSUM instruction
Specified position Symbol Name Recommended range
*1
Unit Data format
Standard
value
Store
S1
+0
+1
E1 Input value
Use the ring counter of 16 bits or more.
•
16-bit ring counter
00000000
H
0000FFFF
H
00000000
H
•
24-bit ring counter
00000000
H
00FFFFFF
H
00000000
H
•
32-bit ring counter
00000000
H
FFFFFFFF
H
00000000
H
Set 32767 (7FFF
H
) or less as a pulse increment
at each instruction execution.
pulse
BIN
32Bit
U
e
e1
Integration
start signal
Input data
+2
e2
Integration
hold signal
b15 b12 b8 b4 b0
Integration start signal
0: Integration stop/reset
1: Integration start
Integration hold signal
0: Integration hold cancel
1: Integration hold
e
2
e
1
BIN
16Bit
U
D1
+0
+1
BW1
Output value
(Integer part)
(0 to 2147483647)
BIN
32Bit
S
Block
memory
+2
+3
BW2
Output value
(Fraction part)
(0 to 2147483647)
BIN
32Bit
S
S2
+0 W
Weight per
pulse 1 to 999
BIN
16Bit
1U
+1 U
Unit
conversion
constant
1, 10, 100, 1000
BIN
16Bit
1U
+2
+3
HILMT
Retentive
upper limit
value
1 to 2147483647
BIN
32Bit
21474836
47
U
Operation
constant
+4 SUMPTN
Integration
pattern
0: Returns to 0 when the integration upper limit
value (HILMT) is exceeded.
1: Retains the integration upper limit value
when the integration upper limit value
(HILMT) is exceeded.
BIN
16Bit
0U
+10
+11
SUM1
Retentive
value
(Integer part)
(0 to 2147483647)
BIN
32Bit
0S
Loop tag
memory
*2
+12
+13
SUM2
Retentive
value
(Fraction part)
(0 to 2147483647)
BIN
32Bit
0S
*1: The data of the item(s) where the values within the recommended range are given in the parentheses are stored by the system.
Users cannot set the data.
*2: The loop tag memory and loop tag past value memory occupy a total of 128 words. (Refer to Section 3.3.1 for details.)