H-7
Refrigeration Temperature Controller
(A)
Photoelectric
Sensors
(B)
Fiber
Optic
Sensors
(C)
Door/Area
Sensors
(D)
Proximity
Sensors
(E)
Pressure
Sensors
(F)
Rotary
Encoders
(G)
Connectors/
Connector Cables/
Sensor Distribution
Boxes/ Sockets
(H)
Temperature
Controllers
(I)
SSRs / Power
Controllers
(J)
Counters
(K)
Timers
(L)
Panel
Meters
(M)
Tacho /
Speed / Pulse
Meters
(N)
Display
Units
(O)
Sensor
Controllers
(P)
Switching
Mode Power
Supplies
(Q)
Stepper Motors
& Drivers
& Controllers
(R)
Graphic/
Logic
Panels
(S)
Field
Network
Devices
(T)
Software
3. Compressor (COMP) output indicator (green):
Turns ON for compressor output. In case of compressor
protection operation and output does not turn ON,
it flashes. When operating compressor continuously, it turns ON
for 2 sec, and turns OFF for 1 sec.
1
8 9
2
3
4
5
6
7 11 10
12
1. Present value (PV) display component (red):
RUN mode: Displays present value (PV).
Setting mode: Displays parameter and setting value.
2. Deviation indicator (■: green, ▼/▲: red):
Displays deviation of present value (PV) based on setting
value (SV).
PV deviation temperature Deviation display
More than 1.8
℃
▲
indicator turns ON
Within ±1.8
℃
■
indicator turns ON
Less than -1.8
℃
▼
indicator turns ON
4. Defrost (DEF) output indicator (green):
Turns ON for defrost output. Flashes for defrost delay operation.
Turns ON for 2 sec and OFF for 1 sec for manual defrost or Power ON defrost.
5. Evaporator-fan (FAN) output indicator (green):
Turns ON for evaporator-fan output. Flashes for delay operation of evaporator-fan output.
6. Auxiliary (AUX) output indicator (green):
Turns ON for alarm output. Flashes for delay operation of alarm output.
7. Unit indicator (red):
Displays temperature unit set at temperature unit [
UNT
] of parameter 1 group.
8. (MODE) key:
Used for entering parameter setting group, returning RUN mode, moving parameter or saving SV.
9. (AUX) key:
Used for entering SV setting group or changing setting value.
Hold the key over 3 sec to select active/inactive auxiliary output in RUN mode.
10. (DEF) key:
Used for entering SV setting group or changing setting value.
Hold the key over 3 sec to execute/stop manual defrost in RUN mode.
11. (COMP) key:
Used for entering SV setting group, changing setting value, moving digits.
Hold the key over 3 sec to active/inactive compressor output in RUN mode.
When buzzer alarm occurs, press the key once to stop the sound. (Only for 3CH input, comauxiliary
(alarm/evaporator-fan) output model (TF33-3
- ) supports buzzer.
Buzzer [
BUZ
] of parameter 1 group is set as [
ON
])
12. Data loader port:
It is for displaying TF3 data at remote display unit (TFD) by connecting phone-jack.
In other case, for connecting Autonics SCM-US (USB/Serial converter, sold separately),
it is a PC loader port of serial communication for parameter setting or monitoring by PC.
Product Mounting
Unit Description
Insert the unit into a panel, fasten the bracket by
pushing with tools with a (-) driver.
(-) driver
