Technical Specifications Overview
The table below details the core technical parameters of this communication module.
| Parameter | Specification |
|---|---|
| Model Number | NP1L-PS1 |
| Product Type | Communication Module (Serial) |
| Compatible Series | Fuji MICREX-SX Series |
| Communication Interface | RS-232C (1 channel) and RS-485 (1 channel) |
| Transmission Speed (RS-232C) | 300 bps to 38.4 kbps (selectable) |
| Transmission Speed (RS-485) | 300 bps to 38.4 kbps (selectable) |
| Protocol Support | Dedicated protocol or Modbus RTU (master/slave) |
| Maximum Station Distance (RS-485) | 1,200 meters |
| Maximum Connected Stations (RS-485) | 32 stations (multidrop) |
| Data Bits | 7 or 8 bits (configurable) |
| Parity | None, Even, or Odd (configurable) |
| Stop Bits | 1 or 2 bits (configurable) |
| Internal Power Draw | 5 VDC, 200 mA |
| Dimensions (W x H x D) | 60 mm x 110 mm x 75 mm |
| Weight | 0.18 kg |
| Connector Type (RS-232C) | 9-pin D-sub male connector |
| Connector Type (RS-485) | 5-pin removable terminal block |
| Indicators | Four LEDs (PWR, SD, RD, and ERR) |
Dual-Port Serial Communication Capabilities
The NP1L-PS1 communication module provides dual serial interfaces for flexible connectivity with external devices. This communication module combines both RS-232C and RS-485 ports on a single card, offering excellent versatility for system integration. Users can configure each port independently for baud rate, data format, and protocol selection.
The RS-232C port supports point-to-point connections with programming panels, barcode readers, or operator terminals. The RS-485 port enables multidrop networking with up to 32 slave devices over distances reaching 1,200 meters. Consequently, this communication module serves as an ideal bridge between the MICREX-SX controller and distributed field instruments, weigh scales, or variable frequency drives.
Protocol Handling and Configuration
This communication module supports both the dedicated Fuji protocol and the industry-standard Modbus RTU protocol. Users can set each port to operate as either a Modbus master or slave, which provides outstanding deployment flexibility. The module handles all protocol processing autonomously, freeing the main CPU for core control tasks.
A built-in configuration mode allows engineers to adjust communication parameters via the system software. The module stores these settings in non-volatile memory, ensuring reliable recovery after power cycles. The error detection features include parity checking and frame timeout monitoring, which guarantee data integrity in noisy industrial environments.
Physical Design and Installation Details
This communication module occupies a single slot in the MICREX-SX base rack and measures 60 mm in width. The module weighs 0.18 kg and features a 75 mm depth, allowing easy integration into standard cabinets. The front panel provides both a 9-pin D-sub connector and a 5-pin removable terminal block for field wiring.
Four LED indicators—PWR (green), SD (green), RD (amber), and ERR (red)—deliver immediate visual feedback on power status, data transmission, and any communication errors. Consequently, maintenance personnel can quickly diagnose network issues without external tools.
Power and Environmental Specifications
The NP1L-PS1 draws 200 mA from the 5 VDC backplane, ensuring minimal heat generation. This communication module operates reliably across a temperature range of 0°C to 55°C. It also withstands humidity from 10% to 90% (non-condensing) and resists vibration up to 5G at 10-150 Hz.
Details
| Weight | 0.18 kg |
|---|---|
| Dimensions | 60 × 110 × 75 mm |
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