88
The SV is determined by a hardware setting (see below) and does not re-
quire numeric input with the instruction.
The TC number is automatically set to TIM 15 when ATIM(22) is designated
and does not need to be input.
ATIM(22) operates in the same way as TIM and TIMM(20) except that the SV
is determined by the hardware analog timer adjustment on the front of the
CPU. The adjustment for the SP10 is shown below. The hardware setting is
converted to BCD and stored inside the PC. This setting is between 0.1 and
25.0 seconds. Both ATIM(22) and ATM1(25) are adjusted with the #1 analog
timer adjustment on the front of the SP16 and SP20.
Adjust with a small
Philips screwdriver.
Refer to 3-7-14 TIMER - TIM for other operational details and examples. Ex-
cept for the above, and all aspects of operation are the same.
Timers in interlocked program sections are reset when the execution condi-
tion for IL(02) is OFF. Power interruptions also reset timers. If a timer that is
not reset under these conditions is desired, dedicated clock pulse bits can be
counted to produce timers using CNT. Refer to 3-7-19 COUNTER - CNT for
details.
The SV of the analog timer can vary up to 10% with changes in the ambient
temperature.
3-7-18
ANALOG TIMER 1 and 2 - ATM1(25) and ATM2(26)
SP16 and SP20 Only
Ladder Symbols
ATM1(25)
RD
RD: Range designation (BCD)
I/O, work, DR, LR, #
Operand Data Areas
ATM2(26)
RD
The SV cannot be entered directly. A range designation is entered to indicate
the range within which the SV is set using a hardware adjustment (see be-
low).
The TC number is automatically set to TIM 11 when ATM1(25) is designated
and TIM 12 when ATM2(26) is designated. The TC number cannot be input
as any other number.
Limitations
Description
Precautions
Limitations
Instruction Set
Section 3-7