Mitsubishi MELSEC-Q series Programming Manual page 169

Set Data Set Data
(1) Data specified in S.LIMT instruction
Specified position Symbol
Input
+0
S1
E1
data
+1
+0
D1
BW
+1
BB
Block
BB1
memory
+2
BB2
+0
S2
HILMT
+1
+2
LOLMT
Operation
+3
constant
+4
HS1
+5
+6
HS2
+7
*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 Make setting to satisfy HILMT
Set Data
Processing contents
(1) The S.LIMT instruction performs the following operation.
Condition
E1  HILMT
(LOLMT + HS2) < E1 < (HILMT - HS1)
E1  LOLMT
Other than above (hysteresis section)
Operation Error
In the following cases, the error flag (SM0) turns ON and the error code is stored in SD0.
Error code
When an operation error occurs
When upper limit hysteresis (HS1) or lower limit hysteresis
(HS2) is a negative value
4100
When the values of
normalized number
When LOLMT > HILMT
When the values of
4140
normalized number
When an operation error occurs
4141
When upper limit hysteresis (HS1) or lower limit hysteresis
(HS2) is a negative value
Name
Recommended range
Input value -999999 to 999999
Output value (-999999 to 999999)
b15 b12
Upper limit
alarm
Lower limit
(0: Without alarm)
alarm
(1: With alarm)
Upper limit
-999999 to 999999
*2
value
Lower limit
-999999 to 999999
*2
value
Upper limit
0 to 999999
hysteresis
Lower limit
0 to 999999
hysteresis

LOLMT.
HILMT
E1
LOLMT
E1
Error definition
, are either a non-numeric or non-
S1 S2
, are either a non-numeric or non-
S1 S2
*1
––
b8 b4 b0
B B
B B
1
2
BW BB1
1
0
0
Last value Last value
QnPHCPU
––
––
––
S.LIMT
Standard
Unit Data format
value
Real
% ––
number
Real
% ––
number
BIN
–– ––
16bit
Real
% 100.0
number
Real
% 0.0
number
Real
% 0.0
number
Real
% 0.0
number
BB2
0
0
1
QnPRHCPU QnUDPVCPU
––
––
––
––
––
––
9
Set
by
2
U
3
S
4
S
4
U
6
U
U
7
U
8
167