Analog Temperature Controller

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Analog Temperature Controller

Product catalog summary

Specifications

Input: Supports Type J and K thermocouples, and 3-wire PT 100 ohms RTD (DIN or JIS). Accuracy is ±2% of span with cold junction compensation of ±0.1°C/1°C.
Control: Features a proportional band of 2.2% of span, ON-OFF hysteresis of 1% of span, and various cycle times depending on output type. Control action is reverse.
Output: Options include relay (5A/240V max), pulsed voltage (20mA/32VDC max), current (4-20mA, 0-20mA), and voltage (0-10V).
Adjustment: Single turn wirewound potentiometer with a resolution of 0.2% of span.
Indication: BTC-902 includes HI/LO LED indicators; BTC-901 does not. Both have status indicators.
Power: Operates on 100-130VAC or 200-240VAC, 50/60Hz with consumption under 5VA.
Environmental & Physical: Operating temperature is 0-50°C, humidity 0-90% RH. Dimensions are 48x48x86mm with a panel cutout of 45x45mm.

Features

Built-in Laser Trim ASIC for precision.
Easy range adjustment and selectable control modes.
Compact design with a depth of only 86mm.
Wide selection of control output options and ranges.
Sensor break protection and low cost.
Safety certifications: UL, CSA, CE (EMC, LVD).

Ordering Information

Power input options: 100-130VAC or 200-240VAC.
Signal input options include Type J/K thermocouples and PT 100 ohm RTD.
Range codes specify temperature spans from 0-100°C to 0-1200°C.
Control modes: ON-OFF or proportional.
Output options: Relay, pulsed voltage, linear current, or voltage.
Additional options for alarms and communication are not included.

Connection Diagram

Details the function of solder gaps J1-J13 for configuring input types, control modes, and cycle times.

Catalog excerpts

1/16 DIN Analog Setting Temperature Controller BTC-901, BTC-902 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 ADJUSTMENT Set point : Single turn wirewound potentiometer Resolution of set point : 0.2% of span Accuracy of set point : ±2%of span Repeatability of set point : ±0.1 span FEATURES • Build-in Laser Trim ASIC • Easy to change range • ON-OFF or time proportional selectable • Compact, only 86mm in depth • Wide selection of control output option • Wide selection of ranges • Sensor break protection • Low cost • Safety: UL, CSA • EMC, LVD: CE INDICATION Process Indicator : BTC-902 : HI/LO LED indicators BTC-901 : None Status Indicator : ON (red) LED Lamp, OFF (green) LED Lamp POWER Rating : 100-130VAC or 200-240VAC, 50/60Hz Consumption : Less than 5VA ENVIRONMENTAL & PHYSICAL Operating Temperature : 0-50°C Humidity : 0-90% RH (non-condensing) Range : See ordering information Dimension: 48(W)X48(H)X86mm (depth behind panel) Cold Junction Compensatin : ±0.1°C / 1°C Rejection of RTD Lead Resistance = CONNECTION DIAGRAM (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

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ORDERING INFORMATION (2) Signal Input 1 Type J thermocouple 2 3 0-10V linear, min. load 500k ohms Other 4-20mA linear, max. load 500 ohms 0-20mA linear, max. load 500 ohms Relay, rated 5A/240VAC resistive Pulsed voltage to drive SSR, rated 20mA/24V Other (7) Alarm 0 None (3) Range Code Code Range FUNCTION OF SOLDER GAP J1~J11 Location J1 Function T/C Type J or K PT 100 ohms DIN or JIS Reverse Control Mode ON-OFF Forward control 100°C span 1200°C span ON-OFF control Time proportional control FUNCTION OF SOLDER GAP J12-J13 J12 Short J13 Cycle time Function Short 20 Secs. Relay output Open Short...

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