NJ400-CPU module

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NJ400-CPU Module

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Product Description
Performance Parameters

NJ400 CPU module
Powerful processor
Adopting the Loongson processor

Integrates multiple communication ports
Modbus RS232 (up to 2 units)
Ethernet TCP/IP (up to 2)

Storage
Large-capacity electronic hard drive, large-capacity memory

LED display
Module operating status, communication status

Human-machine interface
Connect directly to the touchscreen—no programming required.

Clock synchronization
Configure the satellite standard clock interface—no programming required.

*The information provided in this document is intended solely as a general description and introduction to the product’s features. The content herein may be subject to change as the product undergoes further development. All rights of interpretation are reserved by Nanda Aotuo Technology Co., Ltd.

Model		CPU401-0211	CPU401-0411	CPU401-0441	CPU401-0541	CPU401-0511
CPU processing power	Processor Main frequency Bit instruction speed Character instruction speed Floating-point speed	Longxin 1B 266MHz 0.01us 0.02us 0.04us	Longxin 1B 266MHz 0.01us 0.02us 0.04us	Loongson 2K1000, dual-core 1GHz 0.002us 0.004 µs 0.006 µs	Loongson 2K1000, dual-core 1GHz 0.002us 0.004 µs 0.006 µs	Longxin 1B 266MHz 0.01us 0.02us 0.04us
Storage capacity	Program Data Power-loss retention area	8M 8M 256KB	16M 16M 512KB	128M 128M 1M	128M 128M 1M	32M 32M 512KB
Expansion capability	Maximum number of remote substations Maximum number of expansion I/O modules	256 512	256 1024	256 2048	256 2048	256 1024
Power consumption		4W	4W	10W	10W	4W
Redundant CPU module?		No	No	No	Yes	Yes
Ethernet		10/100MbpsX1	10/100MbpsX2	10/100/1000Mbpsx3	10/100/1000Mbpsx2	10/100MbpsX1
Serial interface		RS232x2	RS232x2	RS485x2	RS485x2	RS232x2
Timer (T)		256	512	1024	1024	512
Counter (C)		256	512	1024	1024	512
Bit Register (M)		4096	8192	16384	16384	8192
Word Register (MW)		4096	8192	32768	32768	8192
Power-loss-retaining bit register (N)		1024	2048	4096	4096	2048
Power-loss-retaining word register (NW)		1024	2048	4096	4096	2048
System status register(s)		1024	2048	4096	4096	2048
System word register (sw)		1024	2048	4096	4096	2048
Digital quantity	Digital Input (I) Digital Output (Q)	512 512	1024 1024	8192 8192	16384 16384	1024 1024
Analog quantity	Analog Input (IW) Analog Output (QW)	128 128	256 256	2048 2048	4096 4096	256 256
Communication protocol	CAN customizations	Support	Support	Support	Support	Support
	CANopen	Support	Support	Support	Support	Support
	Modbus RTU	Support	Support	Support	Support	Support
	Modbus TCP	Support	Support	Support	Support	Support
	PROFIBUS-DP	Support	Support	Support	Support	Support
	PROFINET	-	-	Support	Support	-
	DeviceNet	Support	Support	Support	Support	Support
	POWERLINK	-	-	Support	Support	-
	EtherCAT	-	-	Support	Support	-
	OPC UA	-	-	Support	Support	-
	IEC61850	-	-	Support	Support	-
	IEC104	-	-	Support	Support	-
	MQTT	-	-	Support	Support	-
Programming language	LD	√	√	√	√	√
	ST	√	√	√	√	√
	FBD	√	√	√	√	√
	SFC	√	√	√	√	√
	SCC	√	√	√	√	√
	C/C++	√	√	√	√	√
Hot standby redundancy capability	Redundant module type	-	-	-	Power redundancy, CPU redundancy, network redundancy, bus redundancy, IO redundancy
	Hot standby redundancy switchover time	-	-	-	30ms	60ms
	Hot-swappable with power on	Support	Support	Support	Support	Support
Electromagnetic compatibility	Surge immunity Fast transient Electrostatic discharge	±4kV (common-mode) / ±2kV (differential-mode), both meeting IEC61000-4-5 standard Level 4. ±4kV (power supply) / ±2kV (1/0), both meeting IEC61000-4-4 standard Level 4. 15 kV (air discharge) / ±8 kV (contact discharge), both meeting IEC61000-4-2 standard Level 4.
Environmental adaptability	Operating temperature Operating humidity	-40~70°C 5%~95%
Weight (g)		500	500	1250	1250	500
Width x Height x Depth (mm)		40x145x162	40x145x162	80x145x162	80x145x162	40x145x162

*The information provided in this text is merely a general description and introduction to the product’s features. The content of this document is subject to change as the product undergoes further development. The right of interpretation rests with Aoto Technology Co., Ltd.

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