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- Three-way isolation
- Ethernet-enable Modbus RS-232/422/485
- Modbus TCP, ASCII & RTU
- Modbus flexibility – serial & Ethernet, masters & slaves
- View messaging status in real time
- Ethernet fiber options
- Easy configuration software
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Vlinx™ MESR321 series Modbus Gateways connect Modbus devices to Ethernet networks and let you monitor and control your Modbus devices from anywhere on your Ethernet LAN or WAN. Supporting up to 16 masters and 32 slaves, the gateways feature auto-detecting SP 10/100 copper and/or fiber optic options that include Multi-mode LC and Single-mode LC.
The data ports are isolated from one another and also from the power supply.
The easy to use Vlinx software is compatible with Windows 2003 Server, XP, Vista, Win 7 and Windows Server 2008. It features Modbus messaging priority control and allows management through multiple TCP/IP client sessions. Serial data rates of up to 230 kbps ensure maximum network flexibility.
Featuring a slim IP30 DIN rail mountable case, MESR321 series gateways are built for use in industrial environments. They can be powered via a barrel connector or a terminal block. (An external power supply is required; sold separately.) The MESR321 has 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.
| PORT TO PORT ISOLATION |
| Serial to Ethernet |
2kV |
| Serial to Power |
2kV |
| Ethernet to Power |
1.5kV |
| 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 Watts |
| 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 |
DIN Rail, Panel, Metal, IP30 |
| ENVIRONMENTAL |
| Operating Temperature |
-40 to 80°C (-40 to 176°F) |
| Operating Humidity |
10 to 95% Non-condensing |
| MTBF |
86,882 hours |
| MTBF Calculation Method |
Based on MIL 217F using Parts Count Reliability |
| NETWORK |
| Serial Memory |
8KB per port |
| Network Memory |
8 KB |
| LAN |
10/100 Mbps Auto-detecting, 10BaseT or 100BaseTX |
| Ethernet |
IEEE 802.3 auto detecting & auto MDI/MDI-X, 10BaseT and 100Base T |
| PROTOCOLS |
| Protocols |
TCP, IPv4, UDP, ARP, HTTP 1.0, ICMP/PING, DHCP/BOOTP |
| IP Mode |
Static, DHCP |
| TCP/UDP |
User definable |
| OTHER |
| Connection Mode |
Modbus RTU Master/Slave, Modbus ASCII Master/Slave |
| Client Connection |
At power up or upon data arrival |
| Search |
Search 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 |
| CONFIGURATION SOFTWARE |
| 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) +/-8kV Contact, +/-15kV Air
EN61000-4-3:2006 (RI) 10V/m, 80-1000MHz; 3V/m, 1.3 to 2.7 GHz
EN61000-4-4:2004 (EFT Burst) +/-2kV DC ports; +/-1kV signal ports
EN61000-4-5:2005 (Surge) +/- 0.5 kV DC Ports, +/- 1 kV Signal Ports
EN61000-4-6:2005 (CI) 10 VRMS, 0.15 to 80 MHz
EN61000-4-8:2001 (Magnetic) 10A/m, 50Hz & 60Hz |
| 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 |
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