Mitsubishi Electric MELSECQ Series User Manual page 64

5
FUNCTIONS
5
- 8
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2) When the following range is applied, the operation is as shown in Figure 5.5.
"Present value A/present value B
(Un\G10 and 11)/
(Un\G200 and 201)
or,
"Ring counter upper limit value
(Un\G2 and 3)
a) General operation
Present counter value
Subtraction
Figure 5.5 Ring counter operation image 2
b) Setting method
• Set the ring counter upper limit value (Un\G2 and 3), ring counter lower
limit value (Un\G0 and 1) and preset value setting (Un\G4 and 5) as
shown below, and then turn ON the preset command (Y02).
• After the preset value setting (Un\G4 and 5) became effective, turn OFF
the preset command (Y02) and turn ON the count enable command (Y04).
"Preset value setting
(Un\G4 and 5)
or,
"Ring counter upper limit value
(Un\G2 and 3)
5.2 Selecting Counter Format
5.2.2 Selecting the ring counter
search engine
Ring counter lower limit value"
(Un\G0 and 1)
Present value A/present value B"
(Un\G10 and 11)/(Un\G200 and
201)
+2147483647
Ring counter upper limit value (Un\G2 and 3)
Ring counter lower limit value (Un\G0 and 1)
0
Addition
-2147483648
Ring counter lower limit value"
(Un\G0 and 1)
Preset value setting"
(Un\G4 and 5)