A2.6 Reset Processing; A2.6.1 Reset Trigger; A2.6.2 Reset Timing - YOKOGAWA Admag TI Series User Manual

Foundation fieldbus communication type
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A2.6
Reset Processing
A2.6.1
Reset Trigger
There are the following five types of reset triggers:
(1) An integrated value exceeds TOTAL_SP.
(2) An integrated value falls below "0".
(3) RESET_IN is "H".
(4) Every period specified in CLOCK_PER.
(5) OP_CMD_INT is 1.
The table shows the correlation between INTEG_TYPE and RESET triggers.
1:UP_AUTO
2:UP_DEM
3:DN_AUTO
4:DN_DEMO
5:PERIODIC
6:DEMAND
7:PER&DEM
When OP_CMD_INT has become "H" and a reset was executed, OP_CMD_INT automatically
returns to "L".
Even if RESER_IN becomes "H", executing RESET, RESET_IN does not automatically return to
"L". The RESET_IN setting will not be retained if the power is turned OFF.
A2.6.2
Reset Timing
All items are reset during the execution of the function block. Therefore, the minimum period of a
reset is the block execution period.
5-second rule
z
If a reset is made, the next reset will not be accepted for 5 seconds after that.
Even if UP_AUTO (or DN_AUTO) is activated and TOTAL_SP (or 0) is reached within 5 seconds,
the next reset will not be made for 5 seconds from the previous reset.
CLOCK_PER
z
If INTEG_TYPE is PERIODIC (5) or PER&DEM (7), a reset is made at the period (sec) set to the
CLOCK_PER parameter.
If the value in CLOCK_PER is smaller than the function block's execution period, bit 1 of
BLOCK_ERR "Block Configuration Error" is set.
(1)
(2)
(3)
x
x
x
x
x
x
x
x
x
x
x
x
x
<Appendix 2. Integrator (It) Block>
(4)
(5)
x
x
x
x
x
249
IM 01E21A02-03EN

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