FUJI NP1L-JP1 Communication Module

This communication module provides Japanese language protocol support for FUJI MICREX-SX automation systems. It interfaces the PLC with Japanese-standard industrial devices and networks. Therefore, it enables seamless integration into Japan-origin manufacturing lines.

Physical and Communication Specifications

The FUJI NP1L-JP1 measures 13.0 cm in length and 9.5 cm in width. Moreover, its module weight equals approximately 0.28 kg for rack mounting. A single 48-pin male connector links this module to the MICREX-SX backplane. Additionally, the unit includes one isolated serial communication port.

Parameter	Specification
Brand	FUJI Electric
Full Model	NP1L-JP1
Category	Communication Module (Japanese Protocol)
Dimensions (L x W x H)	13.0 cm x 9.5 cm x 6.0 cm (5.12″ x 3.74″ x 2.36″)
Module Weight	0.28 kg (0.62 lbs)
Backplane Interface	1 x 48-pin Male Connector (MICREX-SX Rack)
Power Supply Input	5 VDC from Backplane (0.4 A Typical)
Power Consumption	2.0 W (Typical)
Processor Type	8-bit Microcontroller (8 MHz)
Program Memory	16 kB ROM (Firmware)
Data Memory	4 kB RAM (Battery Backed)
Backup Battery	Internal Lithium (3V, 5 Year Life)
Communication Port	1 x 9-pin D-Sub Male (RS-232C/RS-422 Selectable)
Supported Protocols	FUJI J-Link + JIS C 6220 (Japanese Standard)
Baud Rate Range	1200 to 38400 baud
Data Bits	7 or 8 Bits (Configurable)
Parity Options	None, Even, Odd
Stop Bits	1 or 2 Bits
RS-422 Cable Length	500 meters (1640 feet) Maximum
RS-232 Cable Length	15 meters (49 feet) Maximum
On-Board Components	1 Microcontroller + 1 UART + 2 Memory Chips + 1 Line Driver + 2 Optocouplers + 4 Protection Diodes + 1 Voltage Regulator + 1 Isolation Transformer
Energy Storage	2 x 100 µF Electrolytic Capacitors (35V) + 2 x 10 µF Tantalum (25V) + 1 x CR2032 Backup Battery
Battery Backup Time	5 Years (Typical for RAM Retention)
Isolation Rating	1500 Vrms (Port to Backplane)
Operating Temperature	0°C to +55°C (32°F to 131°F)
Storage Temperature	-25°C to +85°C (-13°F to 185°F)
Mounting Type	MICREX-SX PLC Rack (Single Slot)
Status Indicators	1 Green LED (Power) + 1 Green LED (Run) + 1 Yellow LED (Port Activity) + 1 Red LED (Fault)

Japanese Protocol Support and Connectivity

The FUJI NP1L-JP1 supports J-Link and JIS C 6220 communication protocols. Specifically, these protocols are standard in Japanese industrial automation equipment. In addition, the module handles kanji character encoding for text-based devices. Moreover, it connects seamlessly to Japanese-brand HMIs, drives, and robots. Consequently, this module suits facilities with Japan-origin machinery perfectly.

RS-232 and RS-422 Interface Flexibility

This communication module features a switch-selectable RS-232 or RS-422 interface. For instance, RS-232 suits short-distance connections up to 15 meters. In addition, RS-422 allows cable runs up to 500 meters for remote installations. Moreover, the 9-pin D-sub connector accommodates both wiring schemes. Thus, you can configure the module for point-to-point or multi-drop networks.

Energy Storage and Data Retention

This communication module stores energy using four onboard capacitors for power filtering. Specifically, two electrolytic capacitors smooth the 5 VDC supply for stable processor operation. In addition, two tantalum capacitors provide high-frequency noise suppression for UART circuits. Furthermore, a replaceable lithium battery retains communication parameters and buffer data. Therefore, the FUJI NP1L-JP1 preserves configuration settings for up to five years.

Installation and Diagnostic Indicators

Four LED indicators provide operational status at a glance on this module. First, a green Power LED lights when the 5 VDC backplane supply is present. Second, a green Run LED flashes during normal firmware execution. Third, a yellow Port Activity LED illuminates during data transmission or reception. Finally, a red Fault LED indicates hardware errors or watchdog timeouts. Thus, you can diagnose communication status instantly without external tools.