Ethernet Industrial Iso 1xRS232/422/485 + Ethernet Switch
Connect, Configure, control your serial devices
• 2 Port Ethernet Switch
• 1 Serial port Selectable as RS232/422/485
• Total Galvanic Isolation
• Max baud rate 1 MegaBaud, any Custom
Baud Rate
• -30oC to +80oC Temperature range
1 Serial port Selectable RS232/422/485
Total Galvanic Isolation
1 Port Ethernet
Integrated DIN rail mount and Slim Case
Brainboxes’ Easy Wire: Removable, colour coded,
Screw Terminal blocks with individually numbered pins makes wiring fast, simple and error
Extended Temperature Range: -30ºC to +80ºC
IP-30 rated non-conducting polyamide enclosure
LED status indication
Wide Range Input Power Supply: +5VDC to +30VDC
Redundant Dual Power Input
Grounds on every 5th pin. Functional Earth via
integral DIN rail mount
Brainboxes state of the art Autogating for trouble free RS485 Half Duplex flow control
Max baud rate 1,000,000 (1 MegaBaud), Custom Baud Rates
10/100Base TX Ethernet port
Smart Ethernet: recognises straight and crossover
Ethernet cables and works with either
Serial Port Tunneling allows serial cable replace-
ment over any distance, no software required
• User friendly interface, simple to use, powerful in
• Web configuration and RFC2217 compliant interface for non-Windows users
• Simple operation for each and every operating
• Life time Support and Lifetime warranty with
sign up
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ES-571 Ethernet Industrial Iso
Ethernet to Serial Device with 1 Port software selectable as RS232, RS422/485 Full duplex or RS422 Half duplex and 2 Ethernet ports.
ES-571 has removable Screw Terminals Blocks for easy wiring, a slim ‘end on’ case and integral DIN rail mount. The Ethernet Switch
allows daisy chaining of devices, to instantly upgrade infrastructure. Our Industrial Ethernet to Serial has an operating temperature
range of -30 to +80 degrees Celsius and with +5VDC to +30VDC Dual input reverse polarity protected power supply making it
perfect for industrial applications. Data transfer rates up to 1,000,000 baud, coupled with 1Mbit/s line drivers deliver uncompromising
performance. Our Industrial ES range provides simple instant networked serial ports in demanding environments. Serial Port Tunneling
allows serial cable replacement over any distance, no software required. Suitable to be wired into existing power and network
infrastructure or can be used with our PW-600 power supply.
Windows Users - Our software drivers give you local COM ports, allowing you to retain your existing software applications and
connect to your devices over the network. COM Port can be assigned from COM 1 to COM 255 and the Brainboxes Ethernet to serial
device remembers your COM Port assignment on reboots.
Web Interface Users (Linux/Apple OS/Android) - A web interface allows secure configuration and control of the serial ports over a
local network or the internet using any browser. You can access the device via TCP/IP sockets from any networked device like an Android
tablet, PC or phone.
Example Application
ES-571 Factory
Floor Application
Factory floors can be harsh environments. Extreme temperatures can be generated in the manufacturing process,
machinery can be noisy and generate electromagnetic interference and space is a premium. But engineers still need
to be able to access and maintain equipment safely and without downtime. As factories expand and modernise older
equipment and remote devices need to be networked, but cabling can be expensive and impractical, especially over
larger areas
The ES-571 with total galvanic isolation has 1 serial port that is software selectable as either RS232, RS422 or RS485
and 2 Ethernet ports. The ‘Easy Wire’ removable colour coded Screw Terminals Blocks are individually numbered for
simple fast, error free wiring. The slim ‘end on’ case with integral mount clips straight on to a DIN Rail. The ES-571
has an operating temperature range of -30ºC to +80ºC and +5VDC to +30VDC Dual input reverse polarity protected
power supply. The two port 10/100Mbps unmanaged Ethernet Switch assures fast packet delivery by utilising a 1k
MAC address lookup table and a store and forward architecture.
Once your Serial equipment is connected to a Brainboxes Ethernet to Serial device you have the option of accessing
it over a local network or connecting it to the internet. The inbuilt Ethernet Switch allows daisy-chaining of devices
without extra cabling or external Ethernet Switch being required for an instant economic upgrade. Manufacturing
process and performance across a large site can be monitored and potential faults detected before they cause serious downtime costs. The total galvanic isolation prevents problems from sources of electromagnetic interference.
Use two devices back to back for serial tunnelling over Ethernet, for when you need to extend the reach of your serial
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ES-571 Ethernet Industrial Iso
Feature Profile
Slim Shape:
Small foot print for when DIN rail space is a premium
Only 22.5mm wide
Extended Temperature Range:
-30ºC to +80ºC operating range copes with changing temperatures for
harsh environments
Brainboxes’ Easy Wire Feature:
Removable screw terminal blocks make installation easier and quicker
Colour coded blocks and ports prevents incorrect connection
Numbered Pins simplifies wiring and removes confusion
Redundant Dual Power Input:
A second power supply can be fitted as a back-up to prevent down time should one power source fail.
Wide Range Input Power Supply:
+5VDC to +30VDC accommodates variation in the +24VDC factory floor and allows alternative power
sources. Can use 5 Volt power from any computer USB port.
Total Galvanic Isolation and Grounding:
The power supply, Serial port and Ethernet ports are all mutually isolated from each other. Prevents electromagnetic interference problems, this is useful for applications in electromagnetically noisy environments
such as processes involving power generators, motors, arc furnaces, induction heaters etc. Correctly wired
grounds help cut down on electromagnetic interference. The 5 pin terminals allow a ground on the 5th pin
of each block and a Functional earth connection to the DIN rail.
Remote Monitoring:
Sensors inside the device allow you to monitor the temperature and voltage
of the device remotely.
Smart Ethernet:
Recognises and works with both straight and crossover Ethernet cables (Auto MDI/MDIX)
Mag Jacks are isolated offsetting any difference in grounds between Ethernet nodes.
Inbuilt Ethernet Switch (ES-571 only):
Allows two port devices to be ‘daisy chained’ extending the reach of Ethernet cabling for an instant infrastructure upgrade
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ES-571 Ethernet Industrial Iso
Enclosure Specification
IP-30 rated non-conducting polyamide case with integrated DIN rail mount
Operating Temperature
-30 C to +80 C
Storage Temperature
-40 C to +85 C
Ambient Relative Humidity
5 to 95% (non-condensing)
LED Information
Status LED
Serial Port LEDs
Network LED
Green Device Ready
Flashing Yellow
Changing Settings
Flashing between Red & Green
Querying IP
Flashing Green/Red User performing Hard Reset
Flashing between Green & Red/Yellow
IP address diagnostic
Flashing between Green & Yellow
Initialization diagnostic
Green light on
Port Open
Flashing Green
Data RX/TX
Green light on
Link Established
Flashing Green
Data RX/TX
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ES-571 Ethernet Industrial Iso
Port - Serial
1 port Selectable RS232/422/485
Removable Screw terminal block connector - 3.5 mm pitch
Power Input
Redundant DC Dual Power Inputs, reverse polarity protected +5 VDC to +30VDC
Power Consumption
Conductor Wire
1.6 Watt typical 60mA@24V - 2.9 Watt Max
28 to 16 AWG, 0.14mm to 1.5mm Max
Port Settings - Selectable RS232/422/485
Baud Rate
Any custom Baud rate between 60 - 1,000,000 (1 MegaBaud) can be selected
Data Bits
5,6,7 or 8
Odd, Even, None, Mark or Space
Stop Bits
1, 1.5 or 2
Flow Control
Tx/Rx Modes
RS232 Standard: RS232 allows point to point communication between 2 devices.
RS422 Standard: RS422 allows one transmitter and up to 10 receivers with data transmitter rates up to 10 megabits per
second for distances up to 40 feet and up to 100 Kilobits per second for distances up to 4,000 feet (1219 metres). To achieve
good long distance noise immunity, 2 wires are used to carry each signal, configured as a twisted pair of cables. The TXD pair
and RXD pair are used to carry the data whilst the RTS pair and CTS pair lines are used for handshaking. Thus 2 twisted pairs
are used without handshaking and 4 twisted pair cable is used with handshaking both these schemes allow full duplex data
RS485 Standard: RS485, based on the RS422 standard allows up to 32 driver/receivers pairs on a standard load or 128 low
load devices per port can be connected. Whilst only one of these should be transmitting data at any time, the rest can all
simultaneously listen to the data. Handshaking is performed by software protocol. Two twisted pairs form a full duplex system.
Often only one twisted pair cable is used as the TXD and RXD lines are tied together; this is known as half duplex mode.
Brainboxes RS422/485 products implement a state of the art hardware autogating circuit ensuring error free communications
in half duplex configurations.
Industrial Ethernet to Serial RS485: recievers are 1/8th load allowing upto 256 nodes on the bus. Fail safe open circuit and
short circuit protection, protects the Industrial Ethernet to Serial against wiring faults.
Line Terminating Resistor: On board RS485 line termination resistor can be enabled by a user selectable jumper. The RS422/485
line terminating resister prevents signal reflections when the ES device is at the end of transmission line.
Bias Resistors: On board RS485 Half Duplex fail safe bias resistors enabled by user selectable jumpers. The fail safe biasing
resistors pull the line to a known good state during idle times preventing phantom character detection.
Port Settings - Ethernet
Data Rate
10/100 Mega bits/second
Normal / AUTO MDI/MDIX and IEEE Auto crossover support
IEEE802.1q VLAN support for up to 128 VLAN groups. Broadcast storm protection. IEEE 802.1d rapid spanning
tree protocol RSTP support.
Network Protocols
Connection to Network
Ethernet 10BaseT / 100BaseTX
Configuration Options
Windows Utility, Web Interface
Industry leading Performance
Throughput guaranteed minimum of 95% of theoretical bi-direction full duplex band width at 1 MBaud
CTS False to Transmitter stop: 3 characters max, 1.5 typical
XOFF recieved to Transmitter stop: 3 characters max, 1.5 typical
RS485 Autogating Turn around time: <1 bit time
Power supply to Serial Port 2500VRMS, Power Supply to Ethernet 1500VRMS, Serial Port to Ethernet 2500VRMS
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ES-571 Ethernet Industrial Iso
Industry Approvals
Microsoft Approvals
Microsoft Certified Gold Partner
Microsoft Signed Drivers
Windows 8 32 bit & 64 bit Editions
Windows 7 32 bit & 64 bit Editions
Windows Server 2003 32 bit & 64 bit Editions
Windows XP 32 bit & 64 bit editions
Packing Information
Installation CD including manual, Microsoft signed drivers & utilities
Ethernet Industrial Iso 1xRS232/422/485 + Ethernet Switch
Packaged Weight
0.0209 kg, 0.05 pounds
Packaged Dims
114.5(l) x 22.6(w) x 99(h) mm
GTIN Universal Code
Product Support
Lifetime - online registration required
Lifetime Web, Email and Phone Support from fully qualified, friendly staff who
work in and alongside the Product Development Team
Additional Information
OEM option
Available for bulk buy OEM
Made In
Manufactured in the UK by Brainboxes Winner 2005 European Electronics Industry Awards
‘Manufacturer of the Year’
Brainboxes operate a ‘Perfect Fit Custom Design’ policy for volume users. More info:
Optional Accessory
ORDER CODE - Global Power Supply - PW-600
ORDER CODE - USB Power Supply- PW-650
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