At (auto tuning) stop/start, Release all do (digital output) latches, Communication di (digital input) 1 – Nor-Cal SDC15 Controller User Manual
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AT (Auto Tuning) stop/start
The AT stop/start selection can be set.
• The AT is stopped in the MANUAL or READY mode.
• If the PV high limit alarm (AL01) or PV low limit alarm (AL02) occurs, the AT
is stopped.
• If the operation type of internal contacts 1 to 3 is set at "AT stop/start", [At: AT
stop/start] can be displayed, but the setting cannot be made.
• When [CtrL: Control method] is set at "0" (ON/OFF control), [At: AT stop/start]
cannot be displayed and set.
• When [bit 3: AT stop/start display] of [C73: MODE display setup] is set at "0"
(no display), [At: AT stop/start] cannot be displayed and set.
For details about AT,
and
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Release all DO (digital output) latches
Release all DO (digital output) latches can be set.
• If the operation type of internal contacts 1 to 3 is set at "Release all DO latches",
[do.Lt: Release all DO latches] can be displayed, but the setting cannot be made.
• When [bit 4: Release all DO latches display] of [C73: MODE display setup] is
set at "0" (no display), [do.Lt: Release all DO latches] cannot be displayed and
set.
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Communication DI (digital input) 1
Communication DI (digital input) 1 can be set.
• Four communication DIs, DI1 to DI4, are provided. However, only
communication DI 1 can be set using the key operation.
• The function (operation) with communication DI 1 can be set using the DI
Assignment.
• When [bit 5: Communication DI 1 display] of [C73: MODE display setup] is set
at "0" (no display), [C.DI1: Communication DI 1] cannot be displayed and set.
5-8
Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION
Item (Setting display/bank)
Display
Contents
Initial value
User level
AT (Auto Tuning) stop/start
(Parameter setting/Mode
bank)
At.oF: AT stop [Communication value is "0".]
At.ON: AT start [Communication value is "1".]
At.oF
Simple,
Standard,
High function
Item (Setting display/bank)
Display
Contents
Initial value
User level
Release all DO (digital
output) latches
(Parameter setting/Mode
bank)
Lt.ON: Latch is continued. [Communication
value is "0".]
Lt.oF: Latch is released. [Communication
value is "1".])
Lt.ON
Simple,
Standard,
High function
Item (Setting display/bank)
Display
Contents
Initial value
User level
Communication DI (digital
input) 1
(Parameter setting/Mode
bank)
DI.oF: Communication DI1. OFF
[Communication value is "0".]
DI.ON: Communication DI1. ON
[Communication value is "1".]
DI.oF
Simple,
Standard,
High function