3One data NPM301 User manual

NPM301 Serial Server Module
Hardware Manual
Document Version: 03
Publication Date: 2019-09-12
Industrial Ethernet communication solutions experts 3onedata Co., Ltd.

Copyright © 2019 3onedata Co., Ltd. All rights are reserved.
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3onedata Co., Ltd.
Headquarter address:
3/B, Zone 1, Baiwangxin High Technology Industrial Park, Song Bai Road,
Nanshan District, Shenzhen, 518108, China
Technology support:
[e-mail]
Service hotline:
[phone]
E-mail:
[e-mail]
Fax:
[phone]
Website:
http://www.3onedata.com

Quick Installation Guide Of NPM301 Serial Server Module
3onedata proprietary and confidential 1
Copyright © 3onedata., Ltd.
Preface
The quick installation guide of NPM301 serial server module introduces:
Product features
Hardware description
Readers
This manual mainly suits for the engineers as follows:
Network administrator responsible for network configuration and maintenance
On-site technical support and maintenance staff
Hardware engineer
Text Format Convention
Format
Description
" "
Words with " " represent interface word. e.g.: "Port number".
>
Multi-level path is separated by ">".Such as open the local
connection path description: Open "Control Panel > Network
Connection > Local Connection".
Light blue font
It represents the words clicked to achieve hyperlink. Font
color as: "Light blue".
About this chapter
The "About This Chapter" section provides links to each
section and corresponding principles/operating chapters in
this chapter.
Icon Convention
Format
Description
Remind the announcements in the operation, improper
operation may result in data loss or equipment damage.
Pay attention to the notes on the mark, improper operation
may cause personal injury.

Quick Installation Guide of NPM301 Serial Server Module
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Copyright © 3onedata., Ltd.
Format
Description
Conduct a necessary supplements and explanations for the
description of operation content.
Configuration, operation or tips for device usage.
Pay attention to the operation or information for ensuring
success device configuration or normal working.
Revision History
Version NO.
Revision Date
Revision Description
01
7/22/2013
Product release
02
10/1/2013
Document upgrade
03
9/12/2019
Document upgrade

Quick Installation Guide of NPM301 Serial Server Module
3onedata proprietary and confidential
Copyright © 3onedata Co., Ltd. I
Contents
PREFACE.........................................................................................................................................................1
CONTENTS.......................................................................................................................................................I
1PRODUCT OVERVIEW..................................................................................................................................... 1
1.1 PRODUCT INTRODUCTION............................................................................................................. 1
1.2 PRODUCT FUNCTION..................................................................................................................... 1
2PRODUCT FEATURES....................................................................................................................................... 3
3HARDWARE DESCRIPTION.................................................................................................................... 5
3.1 PIN DISTRIBUTION......................................................................................................................... 5
3.2 ETHERNET PORT DESCRIPTION....................................................................................................8
3.3 POWER SUPPLY PORT DESCRIPTION...........................................................................................8
3.4 SERIAL PORT AND I/O PORT DESCRIPTION................................................................................. 8
3.5 PIN DESCRIPTION OF LED INDICATION........................................................................................ 9
3.6 OTHER PIN DESCRIPTION............................................................................................................. 9
4MECHANICAL DIMENSIONAL DRAWING..........................................................................................11
5PERFORMANCE AND PARAMETER................................................................................................... 12

Quick Installation Guide of NPM301 Serial Server Module
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1Product Overview
1.1 Product Introduction
NPM301 is a high-performance embedded serial to Ethernet module. It can
implement self-adaptive 10Base-T/100Base-TX Ethernet port. Its serial port has
communication rate of 300 bps-115200bps and multiple operating modes like TCP
Server, TCP Client, TCP Auto, UDP and Real COM. It supports up to 4 connections
and other functions such as domain name visiting.
All settings of NPM301 module can be achieved through serial port and network. The
module can be used as a communication processor between serial device and PC, or
remote communication between multiple serial devices. It can be widely used in PLC
control and management, building automation, medical care automation system,
measuring instrument, and environment power monitoring system.
1.2 Product Function
Adopt 32-bit ARM processor
Support self-adaptive 10/100M Ethernet interface
Support AUTO MDI/MDIX, using crossed or cut-through network cable for
connection
Support 300bps-115200bps wire speed non-blocking communication
Support low power consumption mode and high performance mode.
Support multiple operating modes like TCP Server, TCP Client, TCP Auto, UDP
and Real COM driver. Operating port, destination IP address and port are all
configurable

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Support WEB server management, which is convenient for client to configure
webpage
Support AT command, convenient for user’s secondary development
Support DNS, can meet the requirement of achieving communication via domain
name
Support virtual serial port drive access mode and automatic recovery and
reconnection from network interrupt
Flexible serial port data framing setting, can meet user’s various requirements for
data partition
Support SOCKET operating modes (TCP Server, TCP Client, UDP etc.)
Flexible serial port data framing setting, can meet user’s various requirements for
data partition
TCP supports multi-connection, enable up to 4 users to manage the device with
embedded module simultaneously
In UDP mode, it supports stand-alone and multi-computer communication,
enable multiple users to manage the device with embedded module
simultaneously
Support multiple configurations like SOCKET, serial port and WEB
Support both local and remote system firmware upgrade
-40～75℃operating temperature

Quick Installation Guide of NPM301 Serial Server Module
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2Product Features
TCP/UDP Direct Programmatic Access
NPM301 module supports TCP/UDP Ethernet direct access mode of standard API
interface form such as WINSOCK. It can implement all control and transmission
process through easy programming. In most cases, direct programmatic access,
which could achieve error-free connection, is the best solution.
Virtual Serial Port Access
For most serial devices based on serial port programmatic access, reprogramming is
not always the best choice. NPM301 module provides a virtual serial port access
mode. User only needs to install the driver that comes with the product, and then
multiple virtual serial ports would be created on PC. User software can transparently
access remote serial port device by opening the serial port virtualized by software and
need no complicate Ethernet access process. And all Ethernet control and
transmission process related to NPM301 module could be operated on the driver.
Interconnection of Two Serial Device Networking Servers
Sometimes user can extend serial port distance via Ethernet only. NPM301 module
supports this application, which is to implement point-to-point interconnection of two
devices through easy settings and no need of programming and drivers.
Multiple Hosts Sharing One Serial Device Networking Server
In many cases, multiple users need to share data resources from one serial port;
therefore, it needs multiple hosts to access one serial device networking server.

Quick Installation Guide of NPM301 Serial Server Module
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Copyright © 3onedata Co., Ltd. 4
NPM301 module could operate in this mode according to user’s requirements,
allowing multiple hosts to access one serial port at different times.
One Host Accessing Multiple Serial Device Networking Servers
Because of the scattered distribution of collecting devices, it usually needs one host to
access multiple serial device networking servers in data collecting system. NPM301
module provides two modes to support this situation: one is establishing multiple
virtual serial ports for accessing different serial device networking servers respectively;
the other is using one virtual port to access all serial device networking servers. User
could reasonably choose those two modes according to their own features.
Support Cross-router Transmission
Routers are needed for connecting devices of both ends in many projects. NPM301
module could cross router to connect opposite device easily. The setup process is
quite easy as well.

Quick Installation Guide of NPM301 Serial Server Module
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Copyright © 3onedata Co., Ltd. 5
3Hardware Description
3.1 Pin Distribution
NPM301 package pin diagram (top view):
Pin definition list of NPM301
Pin NO
Name
Pin NO
Name
1
VCC
2
DTR
3
DSR
4
RTS/ 485EN
5
CTS
6
RXD
7
TXD
8
NC
9
RX-
10
RX+

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Pin NO
Name
Pin NO
Name
11
TX+
12
TX-
13
ACT
14
LINK
15
nRESET
16
NC
17
NC
18
NC
19
NC
20
NC
21
DEF
22
NC
23
NC
24
COM_CFG
25
NC
26
NC
27
NC
28
GND
Detailed description of NPM301 pin:
Pin NO
Name
Type
Description
1
VCC
Input
Power input pin: 3.3V±5%
2
DTR
Output
The ready signal pin for digital terminal
device
3
DSR
Input
The ready signal pin for digital
communication device
4
RTS/
485EN
Output
Device request signal pins(RS-232 full
duplex mode), LOW permit sending, when
485EN is valid, setting operation in half
duplex mode, data direction control signal
(RS-485 half duplex mode), its direction is
controlled by module automatically. It is
LOW and in receiving state when no data to
send
5
CTS
Input
Pin of device erasing sending signal, when
CTS is valid, setting operation in full duplex
mode, device will erase sending signal
(RS-232 full duplex mode), LOW permit
sending.
6
RXD
Input
(0-5V)TTL level input pin
7
TXD
Output
(0 -3.3V) TTL level output pin
8
NC
Reserved
Reserved

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Pin NO
Name
Type
Description
9
RX-
Input
The negative end of Ethernet differential
input signal
10
RX+
Input
The positive end of Ethernet differential input
signal
11
TX+
Output
The positive end of Ethernet differential
output signal
12
TX-
Output
The negative end of Ethernet differential
output signal
13
ACT
Output
Pin of Ethernet data transmission indication
14
LINK
Output
Pin of Ethernet connection state indication
15
nRESET
Input
Pin of module reset. Low level is valid. The
module will be in reset state when the pin is
input low level of at least 200 microsecond
continuously.
16
NC
Reserved
Reserved
17
NC
Reserved
Reserved
18
NC
Reserved
Reserved
19
NC
Reserved
Reserved
20
NC
Reserved
Reserved
21
DEF
Input
Restoring to factory settings. The module will
restore to factory setting when the pin is
input low level of at least 200 microseconds
continuously.
22
NC
Reserved
Reserved
23
NC
Reserved
Reserved
24
COM_CFG
Input
Pin of AT commend setting. The module will
be in AT commend mode when the pin is
inputted low level of at least 200
microsecond continuously.
25
NC
Reserved
Reserved
26
NC
Reserved
Reserved
27
NC
Reserved
Reserved

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Pin NO
Name
Type
Description
28
GND
Signal grounding
Please hang the unused pin in the air during user design!
3.2 Ethernet Port Description
Name
Pin NO
Type
Description
TX+
11
Output
The positive end of Ethernet differential
output signal
TX-
12
Output
The negative end of Ethernet differential
output signal
RX+
10
Input
The positive end of Ethernet differential input
signal
RX-
9
Input
The negative end of Ethernet differential
input signal
3.3 Power Supply Port Description
Name
Pin NO
Type
Description
VCC
1
Input
Power input pin: 3.3V±5%
3.4 Serial Port and I/O Port Description
Name
Pin NO
Type
Description
TXD
7
Output
(0 -3.3V) level output pin
RXD
6
Input
(0-5V) TL level input pin
RTS/
4
Output
Device request signal pin(RS-232 full duplex

Quick Installation Guide of NPM301 Serial Server Module
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Copyright © 3onedata Co., Ltd. 9
485EN
mode), LOW permit sending, when 485EN is valid,
setting operation in half duplex mode, data
direction control signal (RS-485 half duplex mode),
its direction is controlled by module automatically.
It is LOW and in receiving state when no data to
send
CTS
5
Input
Pin of device erasing sending signal, when CTS is
valid, setting operation in full duplex mode, device
will erase sending signal (RS-232 full duplex
mode), LOW permit sending.
DTR
2
Output
The ready signal pin for digital terminal device
DSR
3
Input
The ready signal pin for digital communication
device
All serial ports and I/O ports of NPM301 conform to TTL level standard (can connect to
interface chips like MAX232, MAX485 directly). The I/O port could be used as both output
and input port. The maximum drive capability of each I/O port is 25mA.
3.5 Pin Description of LED Indication
Name
Pin NO
Type
Description
ACT
13
Output
Pin of Ethernet data transmission indication. This
indicator blinks when data is being transmitted.
LINK
14
Output
Pin of Ethernet connection state indication. It would be
bright when network link is normal.
3.6 Other Pin Description
Name
Pin NO
Type
Description

Quick Installation Guide of NPM301 Serial Server Module
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COM_C
FG
24
Input
Pin of AT commend setting.
The module will be in AT
commend mode when the pin
is inputted low level of at least
200 microsecond
continuously.
nRESET
15
Input
Pin of module reset. Low level
is valid. The module will be in
reset state when the pin is
input low level of at least 200
microsecond continuously.
DEF
21
Input
Restoring to factory settings.
The module will restore to
factory setting when the pin is
input low level of at least 200
microseconds continuously.
GND
28
–
Pin of signal grounding
NC
8, 16, 17, 18, 19, 20, 22,
23, 25, 26, 27
Reserved
Reserved

Quick Installation Guide of NPM301 Serial Server Module
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4Mechanical Dimensional Drawing
Top view and mechanical dimension of the module:
L
32.5mm
Length
W
25mm
Width
H
8.5mm
Height (do not include pin length, pin
length 5.3mm)
d
20mm
The width between two rows of pins
P
2.0mm
Pin spacing

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5Performance and Parameter
Ethernet port:
Standard: 10Base-T/100Base-T
Protocol: Support TCP, UDP, ARP, ICMP, HTTP, DHCP and DNS protocol
Rate: 10M/100M
Ways of operating: Full-duplex or half-duplex
Operating mode: multiple operating modes like TCP Server, TCP Client, TCP
Auto, UDP and Real COM driver are available in both low power consumption
mode and high performance mode.
Serial port:
Interface: TTL serial port(3.3V)
TTL：TXD, RXD, CTS, RTS, DTR, DSR, GND
Check bit: None, Even, Odd, Space, Mark
Data bit: 5bit, 6bit, 7bit, 8bit
Stop bit: 1bit, 1.5bit, 2bit
Baud rate: 300bps-115200bps
Software:
Configuration method: Web browser, Windows hyper terminal, BlueEyes_II
management software
Power supply:
Power input: 3.3VDC±5%
Low power consumption mode
No-load: 0.2871W@3.3VDC
Full-load: 0.4191W@3.3VDC
High performance mode
No-load: 0.5016W@3.3VDC
Full-load: 0.6435W@3.3VDC

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Operating environment:
Operating environment: -40～75℃, 5～95%RH(operating humidity)
Storage temperature: -40～85, 5～95%RH(operating humidity)
Structure:
Dimension (L×W×H): 32.5mm×25mm×8.5mm(includes pin) 14 pins on the left
row, 14 pins on the right row, pin spacing is 2.0mm
Weight: 9g
Warranty:
Warranty period: 3 years
Certification description:
Safety: UL508 (in the certification)
Shock: IEC 60068-2-27
Free fall: IEC 60068-2-32
Vibration: IEC 60068-2-6
Please check 3onedata website for latest product certification trend

Quick Installation Guide Of NPM301 Serial Server Module
3onedata proprietary and confidential
Copyright © 3onedata Co., Ltd.
3onedata Co., Ltd.
Address: 3/B, Zone 1, Baiwangxin High Technology Industrial park, Nanshan District, Shenzhen, 518108 China
Tel: [phone]
E-mail: [email protected]
Fax: [phone]
Website: http://www.3onedata.com