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» » » » » Brainchild BTC-401/402 Analog Controller

This analog controller is used for simple applications with on/off or P control, with deviation indication.

Feature

  • Build-in Laser Trim ASIC
  • Easy to change the range
  • ON-OFFor time proportional selectable
  • Compact, only 53mm in depth
  • A wide selection of control output option
  • A wide selection of ranges
  • Safety: UL, CSA
  • EMC, LVD: CE
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Specification

Input

Thermocouple (T/C)Type J, K
RTD3-wires PT 100 ohms, DIN or JIS
RangeSee ordering information
Accuracy±2% of span (BTC-402, BTC-401),
±1% of span (BTC-404)
Cold Junction Compensation±0.1°C / 1°C
Rejection of RTD Lead Resistance( 0.1°C – 0.025% of PV reading) / ohm
Sensor Break ProtectionUpscale
External Resistance100 ohms max.
Normal Mode Rejection60 dB
Common Mode Rejection120 dB
Sample Rate3 times / second

Control

Proportion Band2.2% of span
ON-OFF Hysteresis1 % of span
Cycle Time20 seconds for relay output, 1 second for pulsed voltage output, 0.02 second for linear current or voltage output.
Control ActionReverse action

Output

ControlRelay 5A / 240V max. resistive load
Pulsed Voltage20mA / 32VDC max.
Current4-20mA, 0-20mA, max. load 500 ohms
Voltage0- 10V, min. load 500k ohms
AlarmRelay output, 2A / 240VAC max. resistive load

Adjustment

SetpointSingle turn wire-wound potentiometer
AlarmDeviation alarm, adjustable ±10% of span
Manual ResetAdjustable 2.6% of span (BTC-404, 402 only)
Resolution of set point0.2% of span
Accuracy of set point±2% of span
Repeatability of set point±0.1 % of span

Indication

Process IndicatorBTC-402: Deviation meter
BTC-404: 0.5” red 3-1/2 dight LED display
Status IndicatorON red LED Lamp
Alarm IndicatorON red LED Lamp

Power

RatingBTC-402,
BTC-401: 100-130VAC or 200-240VAC,50 / 60Hz
ConsumptionLess than 5VA
ENVIRONMENTAL & PHYSICAL
Operating Temperature0-50°C
Humidity0 to 90% RH (non-condensing)
Insulation20M ohms min. (500VDC)
BreakdownAC2000V,50/60Hz,1 minute
Vibration10-55Hz,amplitude 1mm
Shock200 m/s² (20g)
WeightBTC-404: 280 grams,
BTC-402: 360 grams,
BTC-401: 330 grams
Dimension96(W)X96(H)X53mm (depth behind the panel)
Panel cutout92 X 92mm

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