Mesr321 series – B&B Electronics MESR321_SL_ML - Datasheet User Manual
Page 2

*
Full Fiber Product options
These options are possible for large projects:
• Models with 2 fiber optic ports
• Models with long-range fiber optic ports
such as 40km and 80km single-mode
Contact B&B Electronics for more information.
Isolated Industrial modbus
Ethernet to serial gateways
MESR321 Series
soFtware ConFiguration
Vlinx Manager
Win XP (32/64 bit), 2003 Server (32/64 bit), Vista (32/64
bit), 2008 Server (32/64 bit), Win 7 (32/64 bit), Windows
2008 Server
ethernet Pass-through Port
Standards
IEEE 802.3, 802.3u, 802.3x
Processing Type
Store and Forward with 802.3x full duplex, non blocking
flow control
Flow Control
IEEE 802.3x flow control, back pressure flow control
MAC Address Table
2K
serial teChnology
RS-232
TD, RD, RTS, CTS, DTR, DSR, DTD, Signal Ground
RS-485 2-Wire
Data A(-), Data B(+), Signal Ground
RS-422/485 4-Wire
TDA(-), TDB(+), RDA(-), RDB(+), Signal Ground
Serial Connector
DB9M RS-232, Terminal Block Rs-422/485
Data Rate
Up to 230.4 Kbps
aPProVals / CertiFiCations
Emissions FCC Class B, CISPR Class B (EN55022)
CE
EN61000-6-2:2005
(Heavy Industrial)
EN61000-4-2:2008
(ESD)
EN61000-4-3:2006
(RI)
EN61000-4-4:2004
(EFT Burst)
EN61000-4-5:2005
(Surge)
EN61000-4-6:2005
(CI)
EN61000-4-8:2001
(Magnetic)
Shock
IEC60068-2-27
50G peak, 11ms, 3 axes
Vibration IEC60068-2-6
10-500Hz, 4G, 3 axes
Freefall
(Drop)
IEC60068-2-32
10 total drops from sides, corner and edges, 1M
FIbEr oPtIc sPEcIFIcatIons
Mode and distanCe waVelength
outPut Power
reCeiVe
sensitiVity
Multi-mode (2 km)
1310 nm
-23 to -14 dBm
= -31 dBm
Single-mode (15 km)
1310 nm
15 to -8 dBm
= -34 dBm
Single-mode (40 km)
1310 nm
-5 to 0 dBm
= -35 dBm
Single-mode (80 km)
1550 nm
-5 to 0 dBm
= -34 dBm
sPEcIFIcatIons
Port to Port isolation
Serial to Ethernet
2 kV
Serial to Power
2 kV
Ethernet to Power
1.5 kV
Power
Source
External
Input Voltage
10 to 48 VDC (58 VDC Maximum)
Connector
Removable Terminal Block (12 – 28 AWG and barrel
connector
Power Consumption
4 W
MeChaniCal
LED Indicators
Ready, Power, Serial Data, Ethernet Speed, Ethernet Link
Switches
Reset Button (Mode)
Dimensions
13.823 x 8.633 x 3.500 cm (5.442 x 3.399 x 1.378 in)
Enclosure
IP 30, Metal
weight
635 g (1.4 lbs)
enVironMental
Operating Temperature
-40 to 80°C (-40 to 176°F)
Operating Humidity
10 to 95% Non-condensing
Storage Temperature
-40 to 85°C
MTBF
86,882 hours
MTBF Calc Method
Based on MIL 217F using Parts Count Reliability
Prediction
network
Serial Memory
8 KB per port
Network Memory
8 KB
IP Port Addresses
Setting in TCP Mode (paired mode)
8899 – MESR321x Update
LAN
10/100 Mbps Auto-detecting, 10BaseT or 100BaseTX
Ethernet
IEEE 802.3 auto detecting & auto MDI/MDX, 10BaseT
and 100Base TX
ProtoCols
Protocols
TCP, IPv4, UDP, ARP, HTTP 1.0, ICMP/PING, DHCP/BOOTP
IP Mode
Static, DHCP
TCP
User definable
other
Connection Mode
Modbus RTU Master/Slave, Modbus ASCII Master/Slave
Search
Serial direct COM and Ethernet Auto Search or specific IP
Diagnostics
Display PC IP, ping, test VCOM, save test config (text
readable)
Firmware Upgrade
Vlinx Manager
8.633 cm
3.399 in
3.500 cm
1.378 in
13.823 cm
5.442 in
MESR321
MESR321-ML,
MESR321-SL
* Fiber Product
Options
International Office: 707 Dayton Road PO Box 1040 Ottawa, IL 61350 USA 815-433-5100 Fax 433-5104
European Office: Westlink Commercial Park Oranmore Co. Galway Ireland +353 91 792444 Fax +353 91 792445