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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 :
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Type
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Range
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Accuracy@ 25 °C
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Input Impedance
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J
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-120 ~ 1000 °C
(-184 ~ 1832 °F)
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±2 °C
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2.2MΩ
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K
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-200 ~ 1370 °C
(-328 ~ 2498°F)
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±2 °C
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2.2MΩ
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T
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-250 ~ 400°C
(-418 ~ 752°F)
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±2 °C
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2.2MΩ
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E
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-100 ~ 900 °C
(-148 ~ 1652 °F)
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±2 °C
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2.2MΩ
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B
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0 ~ 1800 °C
(32 ~ 3272 °F)
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±2 °C
(200°C - 1800°C)
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2.2MΩ
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R
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0 ~ 1767.8 °C
(32 ~ 3214 °F)
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±2 °C
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2.2MΩ
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S
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0 ~ 1767.8 °C
(32 ~ 3214 °F)
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±2 °C
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2.2MΩ
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N
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-250 ~ 1300 °C
(-418 ~ 2372 °F)
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±2 °C
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2.2MΩ
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L
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-200 ~ 900 °C
(-328 ~ 1652 °F)
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±2 °C
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2.2MΩ
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PT100
(DIN)
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-210 ~ 700 °C
(-346 ~ 1292 °F)
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±0.4°C
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1.3KΩ
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PT100
(JIS)
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-200 ~ 600 °C
(-328 ~ 1112 °F)
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±0.4°C
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1.3KΩ
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mV
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-8 ~ 70mV
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±0.05%
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2.2MΩ
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mA
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-3 ~ 27mA
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±0.05%
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70.5Ω
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V
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-1.3 ~ 11.5V
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±0.05%
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650KΩ
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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:
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Type
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Zero Tolerance
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Span Tolerance
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Load Capacity
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4-20 mA
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3.6-4 mA
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20-21 mA
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500Ω max.
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0-20 mA
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0 mA
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20-21 mA
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500Ω max.
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0-5 V
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0 V
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5-5.25 V
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10KΩ min.
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1-5 V
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0.9-1 V
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5-5.25 V
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10KΩ min.
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0-10 V
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0 V
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10-10.5 V
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10KΩ min.
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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-8100 ---48mm(W) X 96mm(H) X 80mm(D), 65 mm depth behind panel
Mounting:
BTC-8100 ---panel mount, cutout 45 X 92 ( mm )
Weight :
BTC-8100 --- 210 gram
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
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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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