Brainchild Electronic Co., Ltd
Brainchild Electronic Co., Ltd. was established in 1977. Presently we are the largest temperature controller maker in Taiwan, and the only maker of paperless recorder in Taiwan. The factory has a full automatic SMT production line. TÜV Rheinland certified our ISO9001 once a year. In addition we have a well equipped and CSA certified laboratory to do CSA, UL and CE tests. A strong and experienced R&D team is allowed us to offer customers innovative and state-of-art industrial instruments for various FA solutions. We have won good reputation by supplying quality instruments with better features at competitive prices. It is our philosophy in pursuit of perfection through continuous improvement. In order to supporting our customers with more industrial instruments and becoming an important vendor in FA solutions, we have continued investing on new products. Now we have five product lines including Human Machine Interfaces, Recorders, Temperature Controllers, Data Acquisition Modules / Distributed IO Modules, and Networking products. The sales network of both distributors and private labeled customers cover over 80 countries.

BTC-7100 , 72 x 72 mm low cost controller

Categories > Temperature Controllers > Low-cost PID controllers > 72 x 72 mm low cost controller

Product Name:

72 x 72 mm low cost controller

Features:

The Fuzzy Logic plus PID microprocessor-based temperature controller, incorporate two bright, easy to read 4-digit LED display, indicating process value and set point value. The Fuzzy Logic technology enables a process to reach a predetermined set point in the shortest time, with the minimum of overshoot during power-up or external load disturbance.

As a professional and experienced manufacturer, we supply high-performance and quality temperature controllers, which are also called temperature control, electronic temperature control, electronic temperature controller, and PID controller.

FEATURES

Easy-to-use
Fuzzy modified PID heat & cool control
Fast A-D sampling rate (5 times/s)
Universal input (PT100, thermocouple) with high accuracy 18-bit A-D
Analog output (linear current or voltage) uses high accuracy 15-bit D-A
RS-485 RS-232 interface
Programming port provided on board
Support manual control & auto-tune function
Wide variety of alarm mode selection
Lockout protection control
Bumpless transfer during failure mode
Soft-start ramp and dwell timer
Bright display stabilized with digital filter
SEL function allows to rearrange user menu
UL/CSA/CE approval
High performance with low cost

-Top-

Specification:

Power
90 - 250 VAC, 47 - 63 Hz, 12VA, 5W maximum
11 - 26 VAC / VDC, SELV, Limited Energy, 12VA, 5W maximum

Signal Input
Resolution : 18 bits
Sampling Rate : 5 times / second
Maximum Rating : -2 VDC minimum, 12 VDC maximum( 1 minute for mA input )
Temperature Effect : ±1.5 uV/ °C for all inputs except mA
                              input ±3.0 uV/ °C for mA input
Sensor Lead Resistance Effect :
   T/C: 0.2uV/ohm
   3-wire RTD: 2.6 °C/ohm of resistance difference of two leads
   2-wire RTD: 2.6 °C/ohm of resistance sum of two leads
Burn-out Current : 200nA
Common Mode Rejection Ratio ( CMRR ) : 120dB
Normal Mode Rejection Ratio ( NMRR ) : 55dB
Sensor Break Detection :
   Sensor open for TC, RTD and mV inputs,
   Sensor short for RTD input,
   below 1 mA for 4-20 mA input,
   below 0.25V for 1 - 5 V input, unavailable for other inputs.
Sensor Break Responding Time :
   Within 4 seconds for TC, RTD and mV inputs,
   0.1 second for 4-20 mA and 1 - 5 V inputs.

Characteristics :

Type	Range	Accuracy@ 25 °C	Input Impedance
J	-120 ~ 1000 °C (-184 ~ 1832 °F)	±2 °C	2.2MΩ
K	-200 ~ 1370 °C (-328 ~ 2498°F)	±2 °C	2.2MΩ
T	-250 ~ 400°C (-418 ~ 752°F)	±2 °C	2.2MΩ
E	-100 ~ 900 °C (-148 ~ 1652 °F)	±2 °C	2.2MΩ
B	0 ~ 1800 °C (32 ~ 3272 °F)	±2 °C (200°C - 1800°C)	2.2MΩ
R	0 ~ 1767.8 °C (32 ~ 3214 °F)	±2 °C	2.2MΩ
S	0 ~ 1767.8 °C (32 ~ 3214 °F)	±2 °C	2.2MΩ
N	-250 ~ 1300 °C (-418 ~ 2372 °F)	±2 °C	2.2MΩ
L	-200 ~ 900 °C (-328 ~ 1652 °F)	±2 °C	2.2MΩ
PT100 (DIN)	-210 ~ 700 °C (-346 ~ 1292 °F)	±0.4°C	1.3KΩ
PT100 (JIS)	-200 ~ 600 °C (-328 ~ 1112 °F)	±0.4°C	1.3KΩ
mV	-8 ~ 70mV	±0.05%	2.2MΩ
mA	-3 ~ 27mA	±0.05%	70.5Ω
V	-1.3 ~ 11.5V	±0.05%	650KΩ

Output 1 / Output 2
Relay Rating : 2A/240 VAC, life cycles 200,000 for resistive load
Pulsed Voltage : Source Voltage 5V, current limiting resistance 66Ω .
Linear Output Characteristics:

Type	Zero Tolerance	Span Tolerance	Load Capacity
4-20 mA	3.6-4 mA	20-21 mA	500Ω max.
0-20 mA	0 mA	20-21 mA	500Ω max.
0-5 V	0 V	5-5.25 V	10KΩ min.
1-5 V	0.9-1 V	5-5.25 V	10KΩ min.
0-10 V	0 V	10-10.5 V	10KΩ min.

Linear Output
   Resolution : 15 bits
   Output Regulation : 0.02 % for full load change
   Output Settling Time : 0.1 sec. ( stable to 99.9 % )
   Isolation Breakdown Voltage : 1000 VAC
   Temperature Effect : ±0.01 % of SPAN / °C

Triac ( SSR ) Output
   Rating : 1A / 240 VAC
   Inrush Current : 20A for 1 cycle
   Min. Load Current : 50 mA rms
   Max. Off-state Leakage : 3 mA rms
   Max. On-state Voltage : 1.5 V rms
   Insulation Resistance : 1000 Mohms min. at 500 VDC
   Dielectric Strength : 2500 VAC for 1 minute

Alarm
Alarm Relay :Form C,Max. rating 2A/240VAC, life cycles 200,000 for resistive load.
Alarm Functions : Dwell timer,
                            Deviation High / Low Alarm,
                            Deviation Band High / Low Alarm
                            Process High / Low Alarm
Alarm Mode : Normal, Latching, Hold, Latching / Hold.
Dwell Timer : 0.1 - 4553.6 minutes

Data Communication
Interface : RS-232 ( 1 unit ), RS-485 ( up to 247 units )
Protocol : Modbus Protocol RTU mode
Address : 1 - 247
Baud Rate : 2.4 ~ 38.4 Kbits/sec
Data Bits : 7 or 8 bits
Parity Bit : None, Even or Odd
Stop Bit : 1 or 2 bits
Communication Buffer : 160 bytes

Analog Retransmission
Output Signal : 4-20 mA, 0-20 mA, 0-1V, 0-5V, 1-5V, 0-10V
Resolution : 15 bits
Accuracy : ±0.05 % of span ±0.0025 %/ °C
Load Resistance : 0 - 500 ohms ( for current output ),10 K ohm minimum ( for voltage output )
Output Regulation : 0.01 % for full load change

User Interface
Dual 4-digit LED Displays :
BTC-4100                    Upper 0.55" ( 14mm )
                                   Lower 0.4" ( 10 mm )
BTC-7100, BTC8100, BTC9100
                                   Upper 0.4" ( 10 mm )
                                   Lower 0.31" ( 8 mm )
Keypad : 4 keys
Programming Port : For automatic setup, calibration and testing
Communication Port : Connection to PC for supervisory control

Control Mode
Output 1 : Reverse ( heating ) or direct ( cooling )action
Output 2 : PID cooling control, cooling P band 50 ~ 300% of PB, dead band -36.0 ~ 36.0% of PB
ON-OFF : 0.1 - 90.0 ( °F ) hysteresis control ( P band = 0 )
P or PD : 0 - 100.0 % offset adjustment
PID : Fuzzy logic modified , Proportional band 0.1 ~ 900.0°F ,
Integral time 0 - 3600 seconds , Derivative time 0 - 360.0 seconds
Cycle Time : 0.1 - 90.0 seconds
Manual Control : Heat (MV1) and Cool (MV2)
Auto-tuning : Cold start and warm start
Failure Mode : Auto-transfer to manual mode while sensor break or A-D converter damage
Ramping Control : 0 ~ 900.0°F/minute or 0 ~ 900.0 °F/hour ramp rate

Digital Filter
Function : First order
Time Constant : 0, 0.2, 0.5, 1, 2, 5, 10, 20, 30, 60 seconds programmable

Environmental & Physical
Operating Temperature : -10°C to 50°C
Storage Temperature : -40°C to 60°C
Humidity : 0 to 90 % RH ( non-condensing )
Altitude : 2000m maximum
Pollution : Degree 2
Insulation Resistance : 20 Mohms min. ( at 500 VDC )
Dielectric Strength : 2000 VAC, 50/60 Hz for 1 minute
Vibration Resistance : 10 - 55 Hz, 10 m/s² for 2 hours
Shock Resistance : 200 m/s² ( 20 g )
Moldings : Flame retardant polycarbonate
Dimensions :
BTC-4100 ---96mm(W) X 96mm(H) X 65mm(D), 53 mm depth behind panel

BTC-7100 ---72mm(W) X 72mm(H) X 78.2mm(D), 65 mm depth behind panel

BTC-8100 ---48mm(W) X 96mm(H) X 80mm(D), 65 mm depth behind panel

BTC-9100 ---48mm(W) X 48mm(H) X 116mm(D), 105 mm depth behind panel

Mounting:
BTC-4100 ---panel mount, cutout 92 X 92 ( mm )
BTC-7100 ---panel mount, cutout 68 X 68 ( mm )
BTC-8100 ---panel mount, cutout 45 X 92 ( mm )
BTC-9100 ---panel mount, cutout 45 X 45 ( mm )

Weight :
BTC-4100 --- 250 grams
BTC-7100 --- 200 grams
BTC-8100 --- 210 gram
BTC-9100 --- 150 grams

Approval Standards
Safety : UL 61010C-1 , CSA C22.2 No. 24-93 , EN61010-1 (IEC1010-1)
Protective Class :
          IP65 front panel with additional option,
          IP50 front panel without additional option,
          all indoor use,
          IP 20 housing and terminals with protective cover.
EMC : EN61326

Safety Approval:

Brainchild integrates quality ISO9001, CE and UL certified systems and innovative technique to deliver market-leading programmable temperature controllers.

Other Description:

BTC-7100 - □□□□□□□
1 2 3 4 5 6 7

1     Power Input
               4: 90 - 250 VAC, 47-63 HZ
               5: 11 - 26 VAC or VDC, SELV, Limited Energy

2     Signal Input
               1: Standard Input
                         Thermocouple: J, K, T, E, B, R, S, N, L
                         RTD: PT100 DIN, PT100 JIS
               2: 0 - 60 mV
               3: 0 - 1 V
               4: 0 - 5 V
               5: 1 - 5 V
               6: 4 - 20 mA
               7: 0 - 20 mA
               8: 0 - 10V
               9: Special Order

3    Output 1
               0: None
               1: Relay rated 2A / 240VAC
               2: Pulsed voltage to drive SSR, 5V / 30mA
               3: Isolated 4 - 20mA / 0 - 20mA
               4: Isolated 1 - 5V / 0 - 5V
               5: Isolated 0 - 10V
               6: Triac output 1A / 240VAC,SSR
               C: Pulsed voltage to drive SSR, 14V/40mA
               9: Special order

4    Output 2
               0: None
               1: Form A relay 2A / 240VAC
               2: Pulsed voltage to drive SSR, 5V / 30mA
               3: Isolated 4 - 20mA / 0 - 20mA
               4: Isolated 1 - 5V / 0 - 5V
               5: Isolated 0 - 10V
               6: Triac output, 1A / 240VAC, SSR
               7: Isolated 20V / 25 mA DC Output Power Supply
               8: Isolated 12V / 40 mA DC Output Power Supply
               9: Isolated 5V / 80 mA DC Output Power Supply
               C: Pulsed voltage to drive SSR, 14V/40mA
               A: Special order

5    Alarm
               0: None
               1: Form C relay 2A / 240VAC
               9: Special order

6    Communications
               0: None
               1: RS-485 interface
               2: RS-232 interface(not available for BTC-7100)
               3: Retransmit 4 - 20 mA / 0 - 20 mA
               4: Retransmit 1 - 5V / 0 - 5V
               5: Retransmit 0 - 10V
               9: Special order

7    Options
               0: Panel mount IP50 standard
               1: Panel mount IP65 water resistant rubber installed
               2: DIN Rail mount with IP50 (for BTC-9100 only)
               3: DIN Rail mount with IP65 (for BTC-9100 only)

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