UC-3100 Series Quick Installation Guide
Version 4.1, April 2021
Technical Support Contact Information: www.moxa.com/support
© 2021 Moxa Inc. All rights reserved.
P/N: 1802031000025
Overview
Moxa UC-3100 Series computers serve as smart edge gateways for data pre-processing and transmission, and 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. 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 describes the panel layouts of the UC-3100 models:
UC-3101
The UC-3101 features a SIM Card Holder, two Cellular Antenna connectors (Antenna 1 and Antenna 2), and a DIN-rail Mounting Kit on its side panels. The front panel displays three indicators for Cellular Signal Strength, LED Indicators for System, LAN1, LAN2, COM, and Cellular. It also includes two Ethernet Ports (RJ45), one USB 2.0 Host (type A) port, and one Serial Port (RS-232/422/485, DB9). A Programmable Button, Console Port, Grounding Screw, and Power Input (9 to 36 VDC, terminal block) are also present.
UC-3111
The UC-3111 includes a SIM Card Holder, two Wi-Fi Antenna connectors (Wi-Fi Antenna 1 and 2), and two Cellular Antenna connectors (Cellular Antenna 1 and 2). It features a DIN-rail Mounting Kit. The front panel shows six indicators for Wi-Fi/Cellular Signal Strength, LED Indicators for System, LAN1, LAN2, COM1, COM2, Wi-Fi, and Cellular. It offers two Ethernet Ports (RJ45), an SD Card Slot, one USB 2.0 Host (type A) port, and two Serial Ports (RS-232/422/485, DB9). A Programmable Button, Console Port, Grounding Screw, and Power Input (9 to 36 VDC, terminal block) are also visible.
UC-3121
The UC-3121 is equipped with a SIM Card Holder, two Wi-Fi Antenna connectors (Wi-Fi Antenna 1 and 2), and two Cellular Antenna connectors (Cellular Antenna 1 and 2). It has a DIN-rail Mounting Kit. The front panel displays six indicators for Wi-Fi/Cellular Signal Strength, and LED Indicators for System, LAN1, Wi-Fi, Cellular, LAN2, COM1, and CAN1. It provides two Ethernet Ports (RJ45), one USB 2.0 Host (type A) port, one Serial Port (RS-232/422/485, DB9), and one CAN Port (DB9). A Programmable Button, Console Port, Grounding Screw, and Power Input (9 to 36 VDC, terminal block) are also included.
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. |
| SYS | Red | FN button is pressed | |
| SYS | Off | Power is off | |
| LAN1/LAN2 | Green (blinking) | The computer is in power conservation mode | |
| LAN1/LAN2 | Green | 10/100 Mbps Ethernet mode | |
| LAN1/LAN2 | Off | Ethernet port is not active | |
| COM1/COM2/CAN1 | Orange | Serial/CAN port is transmitting or receiving data | |
| COM1/COM2/CAN1 | 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 |
| Wi-Fi | 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 |
| LTE | Off | Cellular interface is not active |
Installing the UC-3100
The UC-3100 can be mounted on a DIN rail or on a wall. The DIN-rail mounting kit is attached by default. To order a wall-mounting kit, contact a Moxa sales representative.
DIN-rail Mounting
To mount the UC-3100 on to a DIN rail, do the following:
- Pull down the slider of the DIN-rail bracket located at the back of the unit.
- Insert the top of the DIN rail into the slot just below the upper hook of the DIN-rail bracket.
- Latch the unit firmly on to the DIN rail.
- 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.
- Fasten the wall-mounting kit to the UC-3100.
- 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:
Screw Specifications: Head Type: flat, Head Diameter >5.2 mm, Length >6 mm, Thread Size: M3 x 0.5 mm.
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:
- 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. 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 mm².
Ethernet Port
The 10/100 Mbps Ethernet port uses the RJ45 connector. The pin assignment of the port is shown below:
| Pin | Signal |
|---|---|
| 1 | Tx+ |
| 2 | Tx- |
| 3 | Rx+ |
| 4 | - |
| 5 | - |
| 6 | Rx- |
| 7 | - |
| 8 | - |
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:
| Pin | RS-232 | RS-422 | RS-485 |
|---|---|---|---|
| 1 | DCD | TxD-(A) | - |
| 2 | RxD | TxD+(A) | - |
| 3 | TxD | RxD+(B) | Data+(B) |
| 4 | DTR | RxD-(A) | Data-(A) |
| 5 | GND | GND | GND |
| 6 | DSR | - | - |
| 7 | TRS | - | - |
| 8 | CTS | - | - |
| 9 | - | - | - |
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:
| Pin | Signal Name |
|---|---|
| 1 | - |
| 2 | CAN L |
| 3 | CAN GND |
| 4 | - |
| 5 | CAN SHLD |
| 6 | GND |
| 7 | CAN H |
| 8 | - |
| 9 | 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.
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.
| Pin | Signal |
|---|---|
| 1 | GND |
| 2 | NC |
| 3 | RxD |
| 4 | 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. Moxa strongly recommends 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.
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
Use 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 login information:
| Default IP Address | Netmask | |
|---|---|---|
| LAN 1 | 192.168.3.127 | 255.255.255.0 |
| LAN 2 | 192.168.4.127 | 255.255.255.0 |
Login: moxa
Password: moxa
Safety and ATEX Specifications
ATTENTION: This device is an open-type device that is to be installed in an enclosure only accessible with the use of a tool, suitable for the environment.
This equipment is suitable for use in Class I, Division 2, Groups A, B, C, and D or non-hazardous locations only.
WARNING - EXPLOSION HAZARD. DO NOT DISCONNECT WHILE CIRCUIT IS LIVE UNLESS THE AREA IS FREE OF IGNITIBLE CONCENTRATIONS.
WARNING - EXPLOSION HAZARD - External Connection (Console Port) is not to be used in a Hazardous Location.
ANTENNAS INTENDED FOR USE IN CLASS I, DIVISION 2 HAZARDOUS LOCATIONS MUST BE INSTALLED WITHIN THE END USE ENCLOSURE. FOR REMOTE MOUNTING IN AN UNCLASSIFIED LOCATION, ROUTING AND INSTALLATION OF THE ANTENNAS SHALL BE IN ACCORDANCE WITH NATIONAL ELECTRICAL CODE REQUIREMENTS (NEC/CEC) Sec. 501.10(b).
This product is intended to be supplied by an IEC/EN 60950-1 or IEC/EN 62368-1 approved power supply suitable for use at 75 °C minimum the output of which meets ES1 and PS2 or LPS and the power supply output rated at 9-36 VDC, 0.8A minimum.
The power cord adapter should be connected to a socket outlet with an earthing connection or the power cord and adapter must comply with Class II construction.
This equipment is intended to be used in Restricted Access Locations, such as a computer room, with access limited to SERVICE PERSONAL or USERS who have been instructed on how to handle the metal chassis of equipment that is so hot that special protection may be needed before touching it. The location should only be accessible with a key or through a security identity system.
External metal parts of this equipment are extremely hot!! Before touching the equipment, you must take special precautions to protect your hands and body from serious injury.
ATEX Specifications
The device carries ATEX certification: Ex nA IIC T4 Gc, DEMKO 18 ATEX 2120X.
- Ambient Range: -40°C ≤ Ta ≤ +70°C, or -40°C ≤ Tamb ≤ +70°C
- Rated Cable Temp ≥ 90 °C
- Standards Covered: EN 60079-0:2012+A11:2013, EN 60079-15:2010
- Hazardous Location: Class I, Division 2, Groups A, B, C, and D
- Special Conditions of Use: These devices shall be mounted in a suitable tool-accessible ATEX-certified enclosure that is rated at least IP54 as defined in EN 60529 and Pollution Degree 2 as defined in EN 60664-1, and the devices shall be used within their rated electrical and environmental ratings.
Manufacturer: Moxa Inc., No. 1111, Heping Rd., Bade Dist., Taoyuan City 334004, Taiwan
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