
Upper Display
Displays PV values (current
temperature, etc.) or setup
items.
Lower Display
Displays SV values (set
temperature, etc.) and
other parameter values.
Key :
Used to shift setup items or
parameter digits.
Used to change numeric
values.
LEDs
AT: Lit when the auto
tuning is ON.
OUT: Lit when the control
output is ON.
ALM: Lit when the alarm
output is ON.
LOCK: Lit when the key
is locked.
Key :
Switches the display. Hold
down for 3 seconds to
switch modes.
Key :
Others
0022
0111
1122
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
ϤϤ
Ϥ
usr Pid SEt
ArG
SymbolЁϤ: Can display and can be set
: Can't display nor can't be set
List of Key Lock Mode :
1
2
Power ON
PV
SV
o
C
AT OUT ALM LOCK
0.1~300.0OC
Pid
3
4
5
6
The operation
mode is
displayed.
Start with
operation mode.
7
8
1
2
3
4
5
6
7
8
9
ɀFunction Settingɀ ɀPID Control Settingɀ
ɀNames and Functions of Partsɀ
ɀUser Level Settingɀ
ɀKey Lock Settingɀ
2
1
6
7
8
3
4
5
Deviation High Alarm
Deviation Low Alarm
Process High Alarm
Process Low Alarm
9
10
11
12
Deviation High/Low Alarm
Band Alarm
Deviation High Alarm (Standby)
Deviation Low Alarm (Standby)
Process High Alarm (Standby)
Process Low Alarm (Standby)
Deviation High/Low Alarm (Standby)
Band Alarm (Standby)
List of Alarm Mode :
Warning! Please make sure the power is off, before
making any changes on the DIP switch.
PV
SV
o
C
AT OUT ALM LOCK
Alarm range setting
Temperature range
varies with Input
type
PV
SV
o
C
AT OUT ALM LOCK
PV
SV
o
C
AT OUT ALM LOCK
PV
SV
o
C
AT OUT ALM LOCK
Auto Tunning
YES / no
PV
SV
o
C
AT OUT ALM LOCK
PV Offset
-200.0~200.0OC
PV
SV
o
C
AT OUT ALM LOCK
SV Offset
AS1:
At:
PoF:
SoF:
-200.0~200.0OC
PV
SV
o
C
AT OUT ALM LOCK
PV
SV
o
C
AT OUT ALM LOCK
PV
SV
o
C
AT OUT ALM LOCK
PV
SV
o
C
AT OUT ALM LOCK
PV
SV
o
C
AT OUT ALM LOCK
PV
SV
o
C
AT OUT ALM LOCK
PV
SV
o
C
AT OUT ALM LOCK
0~7200sec
(Set 0 for P Control)
PV
SV
o
C
AT OUT ALM LOCK
0~1800sec
(Set 0 for P Control)
PV
SV
o
C
AT OUT ALM LOCK
0~65sec
PV
SV
o
C
AT OUT ALM LOCK
Output cycle 2
0~65sec
PV
SV
o
C
AT OUT ALM LOCK
AT02 SERIES PID
TEMPERATURE CONTROLLER
User's Manual
When using this product in applications
that require particular safety or when
using this product in important facilities,
please pay attention to the safety of the
overall system and equipment. Install fail-
safe mechanisms, perform redundancy
checks and periodic inspections and
adopt other appropriate safety measures
when it is necessary.
ATTENTION !
1.Please read the SAFETY PRECAUTION
section on reverse side before use of
this product.
2.Please read this user's manual before
use for proper operation.
3.Please safe guard this user's manual.
RESTRICTIONS ON USE
14
13
12
11
10
9
8
18
17
16
15
20
19
7
6
5
4
3
2
1
50/60 Hz
100~240 VAC OUT
SSR
COM
NC
NO
ALM
B
B
A
B
B
A
10
9
8
7
6
5
4
3
2
1
50/60 Hz
100~240 VAC OUT
COM
NC
NO
ALM
14
13
12
11
SSR
12 11
14 13
SSR
ALM
7
6
5
4
3
2
1
50/60 Hz
100~240 VAC OUT
COM
NC
NO
B
B
A
10
9
8
Under uSr level, press key for 3
seconds to enter Key Lock mode.
Set Lock mumber according to
the level of protection.
ɀSV Lock Settingɀ
Under operation mode, press
key for 3 seconds to lock the SV
value.
And press key for 3 seconds
again to unlock the SV value.
Press key for
3 seconds to the
operation mode.
Press key
once to the
operation mode.
Current PV value
Current SV value
LVL
LVL
uSr
Proportional band (P)
Integral time (I)
Derivative time
(D)
Output cycle 1
Ct2:
P1:
i1:
d1:
Ct1:
Press key for
3 seconds to the
parameter mode.
Press key for
3 seconds to the
P mode.
Press key
once to the I
mode.
Press key
once to the D
mode.
Press key
once to the Relay
output cycle
mode.
Press key
once to the SSR
output cycle
mode.
Press key
once and key
once to the PID
level.
The initial screen
is displayed for
about 3 seconds.
The IC version
is displayed for
about 6 seconds.
Press key for
3 seconds to the
Alarm range
setting mode.
Current PV value
tic
Current SV value
Current PV value
Current SV value
IC version
Press key
once to the Auto
Tunning switch
mode
Press key
once to the PV
Offset mode.
Press key
once to the SV
Offset mode.
Input type
Control Mode
Output
K Type OFF
23
DIP Switch
456
OFF
ON OFF
OFF ON
ON
OFF
ON
OFF
ON
ON
0~1200OC
0~500OC
0~1700OC
-50~400OC
J Type
R Type
PT-100
ON/OFF CONTROL
PID CONTROL
RELAY
DC 24V(for SSR driven)
ON
1
ON
ON
OFF
ON
12345 6
Reserved
Ensure the DIP switch is set to PID control mode before
proceed further.
SET
AT-502
PV
SV
o
C
AT OUT ALM LOCK