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 |
| RTD | 3-wires PT 100 ohms, DIN or JIS |
| Range | See 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 Protection | Upscale |
| External Resistance | 100 ohms max. |
| Normal Mode Rejection | 60 dB |
| Common Mode Rejection | 120 dB |
| Sample Rate | 3 times / second |
Control
| Proportion 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 |
| Alarm | Relay output, 2A / 240VAC max. resistive load |
Adjustment
| Setpoint | Single turn wire-wound potentiometer |
| Alarm | Deviation alarm, adjustable ±10% of span |
| Manual Reset | Adjustable 2.6% of span (BTC-404, 402 only) |
| Resolution of set point | 0.2% of span |
| Accuracy of set point | ±2% of span |
| Repeatability of set point | ±0.1 % of span |
Indication
| Process Indicator | BTC-402: Deviation meter BTC-404: 0.5” red 3-1/2 dight LED display |
| Status Indicator | ON red LED Lamp |
| Alarm Indicator | ON red LED Lamp |
Power
| Rating | BTC-402, BTC-401: 100-130VAC or 200-240VAC,50 / 60Hz |
| Consumption | Less than 5VA |
Enviromental & Physical
| Operating Temperature | 0-50°C |
| Humidity | 0 to 90% RH (non-condensing) |
| Insulation | 20M ohms min. (500VDC) |
| Breakdown | AC2000V，50/60Hz，1 minute |
| Vibration | 10-55Hz，amplitude 1mm |
| Shock | 200 m/s² (20g) |
| Weight | BTC-404: 280 grams, BTC-402: 360 grams, BTC-401: 330 grams |
| Dimension | 96(W)X96(H)X53mm (depth behind the panel) |
| Panel cutout | 92 X 92mm |
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