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4.4 Delta DTB Controller User Guide
At power-up Temperature Controller displays "no Cont"
* No thermocouple connected to controller *
** Thermocouple is polarity sensitive **
Press "Set" key for more than 3 seconds to enter Initial Setting Mode
"up" & "down"
Press
key to change inPt to the thermocouple type connected to Temperature Controller
Press "Set" key to accept the set value of the parameter (The controller will automatically return to
the main operating mode when the thermocouple type is set)
Note: J1 and J2 type sensors in OTA controller have been combined to form J type sensor in the
The upper limilt of J type sensor
The below procedure is written with CntL mode set to on/oFF mode (most commonly used mode)
Press "Set" key for more than 3 seconds to enter Initial Settings Mode
Press the "scroll" key to scroll thru the parameters
Press the "up" and "down" key to change the
Press the "Set" key to accept the set value of the parameter
Parameter
tPun
Temperature Unit - ° C/o F
tp-H
Temperature Probe High Limit (auto set to thermocouple type set
in "inPt", see section 5 in manual)
tP-L
Temperature Probe Low Limit (auto set to thermocouple type set
in "inPt", see section 5 in manual)
CtrL
Control Mode (Pro
S-HC
Select Heating / Cooling control (see section 7 in manual)
example:
HIC2 - Heat
ALA1
Alarm 1 type (see section 8 in manual)
ALA2
Alarm 2 type (see section 8 in manual)
* ALA3 is inactive in Dual Loop
* In Operation
set in ALA 1 and
example:
Set S-HC to H 1 C2 (Heat
Set ALA 1 to alarm type 2 (deviation upper-limit)
Set ALA2 to alarm type 3 (deviation lower-limit)
Alarm limits will be displa~ed as follows:
AL 1H
AL2L
SALA
System Alarm - can be set to ALA 1 - ALA3 output
example:
Alarm 1 mode set to high limit and System Alarm set to
Alarm 1. Alarm 1 will activate when PV is greater then SV + AL 1 H
OR when System Alarm matches any of the following conditions
1 - Broken sensor connection
2 - Sensor input error
3 -
Heating,
temperature goes low for two minutes OR
=
1200oC.
With SP (decimal point) set to
parameter,
Initial Setting Mode
Explanation
6,
manu,
onof and Pid)
=
=
output
1,
Cool
output 2
Mode*
Mode,
alarm limits change according to alarm types
ALA2.
=
output 1 / Cool
1,
the upper limit is limited to 999.9°C
the parameter will flash while changes are being made
=
output 2)
cooling,
16
OTB.
Set Values
F
XXX)(
XXXX
Pid
Heat
0
0
OFF
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