B&B Electronics MESR900 Series - Fiber Models - Datasheet User Manual
Industrial modbus ethernet to serial gateways, Mesr900 series - fiber models
accEssorIEs
MDR-20-24 - DIN rail mount power supply 24VDC, 1.0 A output power
MDR-40-24 - DIN rail mount power supply 24VDC, 1.7 A output power
DRPM25 - 35mm DIN Rail to Panel Mount Bracket, 25mm wide
ERS35 - DIN Rail 1 Meter 35mm Steel
ordErIng InFormatIon
Model nuMber serial
Ports
serial
ConneCtor
ethernet
Ports
ethernet
ConneCtor
MESR901-MC
1
DB9 or Terminal
Block
Multi-mode
Fiber
(1) SC
MESR901-MT
1
DB9 or Terminal
Block
Multi-mode
Fiber
(1) ST
MESR901-SC*
1
DB9 or Terminal
Block
Single-mode
Fiber
(1) SC
MESR901-ST*
1
DB9 or Terminal
Block
Single-mode
Fiber
(1) ST
MESR902T-MC
2
Terminal Block
Multi-mode
Fiber
SC
MESR902T-MT
2
Terminal Block
Multi-mode
Fiber
ST
MESR902T-SC*
2
Terminal Block
Single-mode
Fiber
SC
MESR902T-ST*
2
Terminal Block
Single-mode
Fiber
ST
MESR921-MC
1
DB9 or Terminal
Block
Multi-mode
Fiber, Copper
(1) SC, (1) RJ45
MESR921-MT
1
DB9 or Terminal
Block
Multi-mode
Fiber, Copper
(1) ST, (1) RJ45
MESR921-SC*
1
DB9 or Terminal
Block
Single-mode
Fiber, Copper
(1) SC, (1) RJ45
MESR921-ST*
1
DB9 or Terminal
Block
Single-mode
Fiber, Copper
(1) ST, (1) RJ45
MESR922T-MC
2
Terminal Block
Multi-mode
Fiber, Copper
(1) SC, (1) RJ45
MESR922T-MT
2
Terminal Block
Multi-mode
Fiber, Copper
(1) ST, (1) RJ45
MESR922T-SC*
2
Terminal Block
Single-mode
Fiber, Copper
(1) SC, (1) RJ45
MESR922T-ST*
2
Terminal Block
Single-mode
Fiber, Copper
(1) ST, (1) RJ45
Industrial modbus
Ethernet to serial gateways
MESR900 Series - Fiber Models
MESR Modbus Gateways bridge devices on Modbus serial networks (RS-
232, RS-422 or RS-485) with those on Modbus TCP networks, allowing
seamless integration. Serial ports can be accessed over a LAN or WAN
using Direct IP Mode connections. Supporting up to 16 masters and 32
slaves, these gateways feature autodetecting10/100 copper and fiber
optic options. Easy-to-use software is designed for Windows 2000, 2003
Server, XP, Vista, 2008 Server and Windows 7. Serial data rates up to 230
kbps ensure maximum network flexibility. MESR9xx gateways are built for
use in industrial environments, featuring a slim IP30 DIN rail mountable
case. They operate from a range of DC power supply voltages and have
pluggable terminal block connectors. An external power supply, sold
separately, is required. The MESR92x units have an additional Ethernet
port which functions much like an Ethernet Switch, allowing pass-through
connectivity for other Ethernet devices. This port can also be used to
“daisy chain” multiple gateways. MESR90x units have one Ethernet port.
B&B Electronics’ Vlinx™ is your number one choice for Ethernet to Serial
conversion.
• Ethernet enable Modbus RS-232/422/485
• Modbus TCP, ASCII & RTU
• Modbus flexibility – serial & Ethernet,
Masters & slaves
• Modbus messaging priority control
• View messaging status in real time
• Complete Ethernet fiber options
• Easy configuration software
Product FEaturEs
+ All serial ports are software configurable for RS-232, RS-422, or RS-485.
* 40km and 80km options available.
mEchanIcal dIagram -
mEsr92x modEls
11.938 cm
4.700 in
8.026 cm
3.160 in
Ready
Po
rt
1
P1 Link
2.957 cm
1.164 in
14.86 cm
5.85 in
10.11 cm
3.98 in
2.95 cm
1.16 in
For Copper options please see page 166.
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MESR900 - Fiber Models_3713ds