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
0 0 2 2
0 111
11 2 2
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
Ϥ
u s r P i d S E t
ͪ
ͪ
ͪ
ͪ
ͪ
ͪ
A r G
Symbol
ЁϤ
: 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
0.1~300.0
O
C
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
ɀ
Function Setting
ɀ
ɀ
PID Control Setting
ɀ
ɀ
Names and Functions of Parts
ɀ
ɀ
User Level Setting
ɀ
ɀ
Key Lock Setting
ɀ
2
1
6
7
8
3
4
5
Deviation High Alarm
Deviation Low Alarm
Process High Alarm
Process Low Alarm
9
1 0
11
1 2
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
-200.0~200.0
O
C
PV
SV
o
C
AT
OUT
ALM
LOCK
SV Offset
AS1:
At:
PoF:
SoF:
-200.0~200.0
O
C
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
H
z
10
0~
24
0
VA
C
O
U
T
SS
R
COM
NC
NO
A
LM
B
B
A
B
B
A
10
9
8
7
6
5
4
3
2
1
50
/
60
H
z
10
0~
24
0
VA
C
O
U
T
COM
NC
NO
A
LM
14
13
12
11
SS
R
12 11
14 13
SSR
A
LM
7
6
5
4
3
2
1
50
/
60
H
z
10
0~
24
0
VA
C
O
U
T
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.
ɀ
SV Lock Setting
ɀ
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
2
3
DIP Switch
4
5
6
OFF
ON OFF
OFF ON
ON
OFF
ON
OFF
ON
ON
0~1200
O
C
0~500
O
C
0~1700
O
C
-50~400
O
C
J Type
R Type
PT-100
ON/OFF CONTROL
PID CONTROL
RELAY
DC 24V
(for SSR driven)
ON
1
ON
ON
OFF
ON
1
2
3
4
5
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
