Brainchild NC200 Piping Controllers

The NC200 is a compact fuzzy logic plus PID temperature controller with J or K type thermocouple or RTD input. Multiple units (up to 247 units) can be networked together with a 4P4C modular connector. Each unit auto-tunes on the initial setup to provide the best response for each heater. The NC200 is powered by 90-250VAC supply and contains a solid-state relay as its control output. The solid-state relay can drive the heater directly through a plug-in connector. The major

Features

• • Compact size
  • Auto addressing, manual setting unnecessary

• • Network up to 247 controllers
  • The fastest speed, taking 1 second to update 1000 data

• Used with SCADA, HMI via Modbus RTU
• Quick connector for easy and safe wirings

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Specification

Power

• 90 ~ 250 VAC, 47 ~ 63 Hz, 800VA maximum

Input

Type	Range	Accuracy	Input Impedance
J	-17.8°C ~ 500 °C ( 0°F ~ 932 °F )	±2 °C	1MΩ
K	-17.8°C ~ 500 °C ( 0°F ~ 932 °F )	±2 °C	1MΩ
PT100 (DIN)	-17.8°C ~ 500 °C ( 0°F ~ 932 °F )	±1°C	1.3KΩ

Output (Solid state relay)

Relay Rating : 7A @25 C, 3.5A @47.5 C ambient temperature,
90 ~ 250 VAC, 47 ~ 63Hz.
See Fig.16 Load derating curve
Switch ON-OFF: Zero crossing triggering
Insulation resistance: 1000 Mohms min. at 500 VDC
Dielectric strength: 2500 VAC for 1 minute.

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
Parity Bit	None, Even or Odd
Stop Bit	1 or 2 bits
Communication Buffer	64 bytes

Control

Control Mode	Action Reverse (heating)
PID mode	PB= 1-500 °C TI= 1-900 sec. TD= 0-300 sec.
Cycle time	2 seconds
Manual control	0-100%
Auto-tuning	Cold start and warm start
Power limit	0-100%

Environmental & Physical

Operating Temperature	-10°C ~ 50°C
Storage Temperature	-40°C ~ 60°C
Humidity	0 ~ 90 % RH ( non-condensing )
Altitude	2000m maximum
Insulation Resistance	20 Mohms min. ( at 500 VDC )
Dielectric Strength	1350 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 )
Dimensions	NC200 --- 50.3(W) x 52.4(L) x 45(H) mm
Weight	112 grams

Approval Standards

Safety	EN61010-1
Protective Class	IP 20
EMC	EN61326

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