Mitsubishi Electric MELSEC Q Series Programming Manual page 60

• Devices with restrictions on index registers*3
Device
T, ST
C
*3 The High-speed Universal model QCPU and Universal model Process CPU are excluded.
■Devices that can be used for the index setting (for FXCPU)
The following table shows the devices that can be used for the index setting
Device
M, S, T, C, D, R, KnM, KnS, P, K
X, Y, KnX, KnY
H
• Devices with restrictions on index registers
When using FXCPU, note the following precautions.
The index setting for devices used in the basic instructions is available for FX
The index setting cannot be applied to 32-bit counter and special auxiliary relay.
There are no usage restrictions on index register numbers for current values of the timer and counter.
SM400
SM400
4 PROGRAM CONFIGURATION
58
4.6 Index Setting
Description
• Only Z0 or Z1 can be used for contacts or coils of the
timer.
• Only Z0 or Z1 can be used for contacts or coils of the
counter.
X0
OUT_T
EN ENO
TC0 s1
100 s2
BCD
EN ENO
TN0Z4 s d
X1
OUT_C
EN ENO
CC100 s1
10 s2
BCD
EN ENO
CN100Z6 s d
Example
Description
Decimal devices, values
Octal devices
Hexadecimal values
Set value of timer
(Index setting is not applicable)
K4Y30
Current value of timer
Set value of counter
(Index setting is not applicable)
K2Y40
Current value of counter
TS0Z0
OUT_T
EN ENO
TC1Z1 s1
100 s2
CS0Z1
OUT_C
EN ENO
CC1Z0 s1
100 s2
and FX only.
3U 3UC