Moxa Technologies UC-3100 Series User manual

P/N: 1802031000025

*1802031000025*

UC-3100 Series

Quick Installation Guide

Version 4.1, April 2021

Technical Support Contact Information

www.moxa.com/support



- 2 -

Overview

Moxa UC-3100 Series computers can be used as smart edge gateways for

data pre-processing and transmission, as well as for other embedded

data-acquisition applications. The UC-3100 Series includes three models,

UC-3101, UC-3111 and UC-3121, each supporting different wireless

options and protocols. Please refer to the datasheet for more information.

Package Checklist

Before installing the UC-3100, verify that the package contains the

following items:

•1 x UC-3100 Arm-based computer

•1 x DIN-rail mounting kit (preinstalled)

•1 x Power jack

•1 x 3-pin terminal block for power

•1 x CBL-4PINDB9F-100: 4-pin pin header to DB9 female console port

cable, 100 cm

•1 x Quick installation guide (printed)

•1 x Warranty card

IMPORTANT: Notify your sales representative if any of the above items

are missing or damaged.

Panel Layout

The following figures show the panel layouts of the UC-3100 models:

UC-3101

- 3 -

UC-3111

- 4 -

UC-3121

- 5 -

LED Indicators

LED

Name

Status

Function

Notes

SYS

Green

Power is on

Refer to the Function

Button (FN Button)

and LED Indicators

section in the

hardware/software

user manual for more

details.

Red

FN button is pressed

Off

Power is off

Green

(blinking)

The computer is in power

conservation mode

LAN1/

LAN2

Green

10/100 Mbps Ethernet mode

Off

Ethernet port is not active

COM1/

COM2/

CAN1

Orange

Serial/CAN port is

transmitting or receiving data

Off

Serial/CAN port is not active

Wi-Fi

Green

Wi-Fi connection has been

established

Client mode: 3

levels with signal

strength

1 LED is ON: Poor

signal quality

2 LEDs are ON: Good

signal quality

All 3 LEDs are ON:

Excellent signal

quality

AP mode: All

3 LEDs

blinking at the same

time

Off

Wi-Fi interface is not active

LTE

Green

Cellular connection has been

established

Three levels based on

the signal strength

1 LED is ON:

Poor signal quality

2 LEDs are ON:

Good signal quality

All 3 LEDs are ON:

Excellent signal

quality

Off

Cellular interface is not active

Installing the UC-3100

The UC-3100 can be mounted on to a DIN rail or on to a wall. The DIN-rail

mounting kit is attached by default. To order a wall-mounting kit, contact

a Moxa sales representative.

- 6 -

DIN-rail Mounting

To mount the UC-3100 on to a DIN rail, do the following:

1. Pull down the slider of the DIN-rail bracket located at the back of the

unit

2. Insert the top of the DIN rail into the slot just below the upper hook

of the DIN-rail bracket.

3. Latch the unit firmly on to the DIN rail as shown in the illustrations

below.

4. Once the computer is mounted properly, you will hear a click and the

slider will rebound back into place automatically.

Wall Mounting (optional)

The UC-3100 can also be wall mounted. The wall-mounting kit needs to

be purchased separately. Refer to the datasheet for more information.

1. Fasten the wall-mounting kit to the UC-3100 as shown below:

2. Use two screws to mount the UC-3100 on to a wall.

These two screws are not included in the wall-mounting kit and must

be purchased separately. Refer to the detailed specifications below:

Head Type

: flat

Head Diameter

>5.2 mm

Length

>6 mm

Thread Size

: M3 x 0.5 mm

- 7 -

Connector Description

Power Connector

Connect the power jack (in the package) to the UC-3100’s DC terminal

block (located on the bottom panel), and then connect the power adapter.

It takes several seconds for the system to boot up. Once the system is

ready, the SYS LED will light up.

Grounding

Grounding and wire routing help limit the effects of noise due to

electromagnetic interference (EMI). There are two ways to connect the

UC-3100 grounding wire to the ground.

1.Through the SG (Shielded Ground, sometimes

called Protected Ground):

The SG contact is the left

-most contact in the 3-pin

power terminal block connector when viewed from the

angle shown here.

When you connect to the SG

contact, the noise will be routed through the PCB and

the PCB copper pillar to the metal chassis.

Through the GS (Grounding Screw):

The GS is located between the console port and the

power connector.

When you connect to the GS wire,

the noise is routed directly from the metal chassis.

NOTE

The grounding wire should have a minimum diameter of

3.31 mm

Ethernet Port

The 10/100 Mbps Ethernet port uses the RJ45 connector. The pin

assignment of the port is shown below:

Signal

Tx+

Tx-

Rx+

–

Rx-

–

Serial Port

The serial port uses the DB9 male connector. It can be configured by

software for the RS-232, RS-422, or RS-485 mode. The pin assignment of

the port is shown below:

- 8 -

RS-232

RS-422

RS-485

DCD

TxD-(A)

–

RxD

TxD+(A)

–

TxD

RxD+(B)

Data+(B)

DTR

RxD-(A)

Data-(A)

GND

DSR

–

TRS

–

CTS

–

CAN Port

The UC-3121 comes with a CAN port which uses the DB9 male connector

and is compatible with the CAN 2.0A/B standard. The pin assignment of

the port is shown below:

Signal Name

–

CAN_L

CAN_GND

–

CAN_SHLD

GND

CAN_H

–

CAN_V+

SIM Card Socket

The UC-3100 comes with two nano-SIM card sockets for cellular

communication. The nano-SIM card sockets are located on the same side

as the antenna panel. To install the cards, remove the screw and the

protection cover to access the sockets, and then insert the nano-SIM

cards into the sockets directly. You will hear a click when the cards are in

place. The left socket is for SIM 1 and the right socket is for SIM 2. To

remove the cards, push the cards in before releasing them.

RF Connectors

The UC-3100 comes with RF connectors to the following interfaces.

- 9 -

Wi-Fi

The UC-3111 and UC-3121 models come with a built-in Wi-Fi module. You

must connect the antenna to the RP-SMA connector before you can use

the Wi-Fi function. The W1 and W2 connectors are interfaces to the Wi-Fi

module.

Bluetooth

The UC-3111 and UC-3121 models come with a built-in Bluetooth module.

You must connect the antenna to the RP-SMA connector before you can

use the Bluetooth function. The W1 connector is the interface to the

Bluetooth module.

Cellular

The UC-3100 models come with a built-in cellular module. You must

connect the antenna to the SMA connector before you can use the cellular

function. The C1 and C2 connectors are interfaces to the cellular module.

For additional details refer to the UC-3100 datasheet.

GPS

The UC-3111 and UC-3121 models come with a built-in GPS module. You

must connect the antenna to the SMA connector with the GPS mark

before you can use the GPS function.

SD Card Socket

The UC-3111 and UC-3121 models come with a SD-card socket for

storage expansion. The SD card socket is located next to the Ethernet

port. To install the SD card, remove the screw and the protection cover to

access the socket, and then insert the SD card into the socket. You will

hear a click when the card is in place. To remove the card, push the card

in before releasing it.

Console Port

The console port is an RS-232 port that you can connect to with a 4-pin

pin header cable (available in the package). You can use this port for

debugging or firmware upgrade.

Signal

GND

RxD

TxD

USB

The USB port is a type-A USB 2.0 version port, which can be connected

with a USB storage device or other type-A USB compatible devices.

Real-time Clock

The real-time clock is powered by a lithium battery. We strongly

recommend that you do not replace the lithium battery without the help

of a Moxa support engineer. If you need to change the battery, contact

the Moxa RMA service team.

ATTENTION

There is

a risk of explosion if the battery is replaced with an

incorrect type of battery.

- 10 -

Accessing the UC-3100 Using a PC

You can use a PC to access the UC-3100 by one of the following methods:

A. Through the serial console port with the following settings:

Baudrate = 115200 bps, Parity = None, Data bits = 8,

Stop bits = 1, Flow Control = None

ATTENTION

Remember to choose the “VT100” terminal type. Use the console

cable to connect a PC to the UC-3100's serial console port.

B. Using SSH over the network. Refer to the following IP addresses and

Default IP Address

Netmask

LAN 1

192.168.3.127

255.255.255.0

LAN 2

192.168.4.127

255.255.255.0

Password: moxa

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