Digital Temperature Controller BTC-7050 pages

72 X 72mrn Digital Setting Temperature Controller BTC-705

CONTROL
Proportional Band : 2.2% of Span.
ON-OFF Hysteresis : 1% of Span
Cycle Time : 20 seconds for relay output, 1 second-for pulsed
voltage output, 0.02 second for linear current or
voltage output.
Control Action : Reverse action

OUTPUT
Control: Relay : 5A / 240V max. resistive load
Pulsed voltage : 20mA / 32VDC max.
Current : 4-20mA, 0-20mA, max, load 500 ohms
Voltage : 0- 10V, min. load 500k ohms

FEATURES
• Build-in Laser Trim ASIC
• Easy to change range
• ON-OFF or time proportional selectable
• Compact, only 65mm in depth
• Wide selection of control output option
• Wide selection of ranges
• Sensor break protection
• Alarm option
• Low Cost
• Safety: UL, CSA
• EMC, LVD: CE

Alarm : Relay output, 2A / 240VAC max. resistive load

ADJUSTMENT
Set point : 3-digit or 4-digit switch
Alarm : Deviation alarm, adjustable f 10% of span
Manual Reset : Adjustable 2.6% of span
Resolution of set point : 1 LSD (Least Significant Digit)
Accuracy of set point : ±1 % of span
Repeatability of set point : ±1 LSD

INDICATION
Process Indicator : 10mm red LED display
Status Indicator : ON (red ) LED Lamp
Alarm Indicator : ON (red) LED Lamp

SPECIFICATIONS
INPUT
Thermocouple (TIC) : Type J, K
RTD : 3-wires PT 100 ohms, DIN or JIS
Range : See ordering information

POWER
Rating : 90-240VAC, 50 / 60Hz

Accuracy : ±2% of span (BTC-703), ±1% of span (BTC-705)
cold Junction Compensation : ±0.1°C/1°C

Consumption : Less than 5VA

Rejection of RTD Lead Resistance =
(0.1°C - 0.025% of PV reading) /ohm

ENVIRONMENTAL & PHYSICAL

Sensor Break Protection : Upscale
External Resistance : 100 ohms max.

Operating Temperature : 0-50°C
Humidity : 0-90% RH ( non-condensing

Normal Mode Rejection : 60 dB
Common Mode Rejection : 120 dB

Insulation : 20M ohms min. (50OVIDC )
Breakdown : AC 2006V, 50160Hz,1 minute

Sample Rate : 3 times / second

Vibration : 10-55Hz. amplitude 1 mm
Shock : 200M/S2 (20g)
Weight : 210 grams
Dimension : 72 (W) X 72 (H) X 65mm (depth behind panel)
Panel cutout : 68 X 68mm

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