Auber Instruments SKX-400 Gebrauchsanweisung
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Instruction Manual
Caution
• This controller is intended to be used with proper safety equipment under
normal operating conditions. Failure or malfunction of the controller may
result in personal injury or damage to the equipment or other property,
devices (limit or safety controls) or systems (alarm or supervisory) intended
to warn of or protect against failure or malfunction of the controller. To
prevent harm to you and to the equipment, this item must be incorporated
into and maintained as a part of the control system under the appropriate
environment.
• This controller carries a 90-day warranty. This warranty is limited to the
controller only.
1. Features & Specifications:
1) Four channel temperature readout & control in ¼ Din size meter. User can
set different set temperature and control parameters for each channel.
2) Available sensor input types:
Thermocouple (temperature input): K, J, T, E, S
Resistance thermometer (temperature input): Pt100, CU50
3) Outputs: 3A resistive dry relay output, 24-250V AC/DC This output can be
used as main output or absolute alarms.
4) Control modes: PID, On/off modes
5) This controller has auto-tuning function to optimize its control P, I and D
settings.
6) Accuracy: ±0.5% Full scale.
7) Sampling rate: 2 sec
8) Ambient temperature: 32 ~ 130° F or 0 ~ 55° C
9) Ambient humidity: 5 ~ 85 % RH.
10) Meter size: ¼ DIN (96x96mm). Panel cutout 92x92mm
11) Power Supply: 85-240V AC/DC, 50/60Hz.
12) Wattage: less than 5W
2. Front Panel
Figure 1. Front keypad and indicator
1. ALM indicator (ALM1 ~ 4): Not available in this model
2. Output indicator (OUT1 ~ 4): It is synchronized with control output and the
power to the load. When it is on, the output for channel n is enabled.
3. Menu selection key (CH1 ~ 4): Hold this key for 3s to enter the parameter
menu for that channel.
4. PV display: Display the measured value for that channel (PV).
2021.11
SKX-400 FOUR-CHANNEL TEMPERATURE METER
INSTRUCTION MANUAL
Version 1.1 (Nov, 2021)
5. Up key: Increases numeric value of the setting value.
6. Down key: Decrease numeric value of the setting value.
7. Shift key: Shift digits when settings are changed.
8. SET key: Hold this key for 3s to enter system parameter menu.
Note: Channel 1 display will show the temperature from channel 1 normally. In
parameter setting mode, this display will show the parameter name.
Channel 2 display will show the temperature from channel 2 normally. In
parameter setting mode, this display will show the parameter value.
3. Terminal Wiring
Figure 3. Thermocouple/RTD wiring examples
For three wires PT100 RTD, it has two same color wires and one different color
wire. Connect different color wire on pin 2, 4, 6 and 8. Connect one same color
wire on pin 1, 3, 5 and 7, connect the other same color wire on either pin 25 or
26 (as COM).
For two wires PT100 RTD, connect one wire on pin 1, 3, 5 and 7. Connect
another wire on pin 2, 4, 6 and 8. Connect one jumper from pin 1, 3, 5 and 7 to
either pin 25 or 26.
For thermocouple, connect positive wire on pin 1, 3, 5 and 7. Connect negative
wire on pin 25 or 26. For US color code (type K), yellow is positive and red is
negative. For import color code (type K), red is positive and blue is negative.
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Figure 2. Terminals
P1/3