Connect-Tek Transa PRO 17 Manual de instrucciones Pagina 53
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5–5 Heat-Cool Control
An injection mold is required to be controlled at
120°C to ensure a consistent quality for the parts. An oil
pipe is buried in the mold. Since plastics are injected at
a higher temperature (e.g., 250°C), the circulation oil
needs to be cooled as its temperature rises. Here is an
example at right:
PID heat-cool is used for the example at right.
To achieve this, set the
following parameters in the setup menu:
Adjust SP1 to 120.0°C, CPB to 125(%) and
DB to -4.0(%).
Apply auto-tuning at 120°C for a new system
to get optimal PID values. See section 3-19.
Adjustment of CPB is related to the cooling
medium used. If water is used as the cooling
medium instead of oil, the CPB should be set at
250(%). If air is used as the cooling medium
instead of oil, the CPB should be set at 100(%).
Adjustment of DB is dependent on the system
requirements. A more positive value of DB will
prevent unwanted cooling action, but will
increase the temperature overshoot, while a
more negative value of DB will achieve less
temperature overshoot, but will increase
unwanted cooling action.
FUNC = BASC
IN1 = PT.DN
IN1U = °C
DP1 = 1-DP
OUT1 = REVR
O1TY = RELY
CYC1 = 18.0 (seconds)
O1FT = BPLS
OUT2 = COOL
O2TY = 4–20
O2FT = BPLS
SELF = STAR
5–4 Cool Only Control
A TEC-9300 is used to control a refrigerator with
the temperature below 0°C. To avoid set point
adjustment beyond the desired range, SP1L is set at
-10°C and SP1H is set at 0°C. Because the temper-
ature is lower than the ambient, a cooling action is
required, so select DIRT for OUT1. Since output 1
is used to drive a magnetic contactor, select RELY
for O1TY. Because a small temperature oscillation
is tolerable, use ON-OFF control to reduce the over-
all cost. To achieve ON-OFF control, PB1 is set to
zero and O1HY is set at 0.1°C.
Key menu
FUNC
IN1
IN1U
DP1
OUT1
O1TY
CYC1
O1FT
OUT2
O2TY
O2FT
SELF
SP1
CPB
DB
- Instruction Manual 1
- TEC-9300 1
- Self-Tune Fuzzy / PID Process 1
- Temperature Controller 1
- Chapter 1 Overview 5
- Related Products 6
- 1–2 Ordering Code 6
- Figure 1. Access Hole 7
- Overview 7
- Table 1.1 DIP Switch 7
- Configuration 7
- 1–4 Keys and Displays 8
- 1–6 System Modes 11
- 1–7 Parameter Description 12
- Chapter 2 Installation 19
- 2–6 Thermocouple Input Wiring 20
- 2–4 Power Wiring 20
- 2–7 RTD Input Wiring 21
- 2–8 Linear DC Input Wiring 21
- 2–10 Event Input wiring 23
- 2–11 Output 1 Wiring 24
- 2–12 Output 2 Wiring 25
- Figure 2.19 RS-232 Wiring 28
- 3–1 Input 1 29
- 3–2 OUT1 and OUT2 Types 30
- 3–3 Configuring User Menu 30
- 3–4 Heat Only Control 30
- 3–5 Cool Only Control 31
- 3–6 Heat-Cool Control 32
- 3–7 Dwell Timer 33
- 3–8 Process Alarms 34
- 3–9 Deviation Alarm 35
- 3–10 Deviation Band Alarm 36
- 3–11 Heater Break Alarm 37
- 3–12 Loop Break Alarm 37
- 3–13 Sensor Break Alarm 38
- 3–14 SP1 Range 38
- 3–15 PV1 Shift 38
- 3–16 Failure Transfer 39
- 3–17 Bumpless Transfer 40
- 3–18 Self tuning 40
- Self-tune Menu 40
- 3–19 Auto tuning 41
- 3–20 Manual Tuning 42
- 3–21 Signal Conditioner 43
- DC Power Supply 43
- 3–22 Manual Control 43
- 3–23 Display Mode 44
- 3–25 Reload Default Values 44
- 4–1 Event Input 45
- 4–2 Second Set Point 45
- 4–3 Second PID Set 46
- 4–4 Ramp and Dwell 46
- 4–5 Remote Set Point 47
- 4–6 Differential Control 47
- 4–7 Output Power Limits 48
- 4–8 Data Communication 48
- 4–9 Analog Retransmission 49
- 4–10 Digital Filter 49
- 4–11 Sleep Mode 49
- 4–12 Pump Control 50
- 4–13 Remote Lockout 50
- Chapter 5 Applications 51
- 5–3 Heat Only Control 52
- 5–5 Heat-Cool Control 53
- 5–4 Cool Only Control 53
- 5–6 Ramp and Dwell 54
- 5–7 Remote Set 55
- 5–8 Differential Control 55
- 5–9 Dual Set Point/PID 56
- 5–10 RS-485 57
- 5–11 RS-232 58
- 5–12 Retransmit 58
- Chapter 6 Calibration 59
- Troubleshooting procedures: 61
- Chapter 8 Specifications 65
- PID: Fuzzy logic modified 66
- 9-1 Functions Supported 67
- 9-2 Exception Responses 68
- 9-3 Parameter Table 69
- P= 100.0 80
- 9-3 Communication Examples 80
- A–1 Menu Existence Conditions 81
- A–2 Factory Menu Description 84
- A–3 Glossary 85
- A–4 Memo 89
- A–5 Warranty 91
- TEMPCO’s Visionary Solutions 92
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