iNetworking Selection Guide Serial Converters, Isolators and Surge Protectors Ethernet to Serial Converters Model Name 485DRCI 485SD9R, 485SD9TB FOSTCDRI 232OPDRI 485OPDRI HESP4DR Description Triple Isolated RS-232 to RS-422/485 Converter Port Powered RS-232 to RS-485 Converter Triple Isolated RS-232/422/485 toFiber Converter Triple Isolated RS-232 DIN Rail Repeater Triple Isolated RS-485/422 DIN Rail Repeater Three-stage DIN Rail RS422/485 Surge Protector Function Serial Converter Isolator / Repeater Surge Protector Key Features Class 1 Division 2/ Tripple Isolation, Oil and Gas Applications Small Form Factor, Port Powered Fiber to Serial Class 1 Division 2/ Tripple Isolation, Oil and Gas Applications Class 1 Division 2/ Tripple Isolation, Oil and Gas Applications High Energy Surge Protector Specifications Temp -40 to 80°C 0 to 70°C -40 to 80°C -40 to 80°C -40 to 80°C -40 to 80°C Isolation – – Input Power 10 to 48 VDC Port Powered from RS-232 Ports 10 to 48 VDC 10 to 48 VDC 10 to 48 VDC – Dataline Surge Protection – v (5 lines) RS-232 Connector DB9 female DB9 female Removable Terminal Blocks DB9 female & DB9 male - – RS-422/485 Connector and Power Remmovable Terminal Blocks DB9 female or Terminal Block Remmovable Terminal Blocks - Remmovable Terminal Blocks Terminal Block Maximum Buad Rate 115.2 kbps 115.2 kbps 115.2 kbps 115.2 kbps 115.2 kbps – Mounting DIN Rail In-line DIN Rail DIN Rail DIN Rail DIN Rail Industrial Rating Light – Light Light Light Light UL Rating UL 508 – UL 508 UL 508 UL 508 – Class 1 Division 2 – – Page 19-20 19-21 19-19 19-23 19-22 19-24 Model Name VESP211, VESP211-232, VESP211-485 VESR901 VESR921-MC MESR901 MESR921-MC Description Compact Ethernet to Serial Converter DIN Rail Mount Ethernet to Serial Converter DIN Rail Mount Ethernet to Serial Converter with Fiber Port Modbus Ethernet to Modbus Serial Converter Modbus Ethernet to Modbus Serial Converter with Fiber Port Function VCOM, Socket Connection, Paired Mode Modbus Ethernet Copper Ports 1 1 1 1 1 Fiber Ports – – 1 Multi-mode (SC) – 1 Multi-mode (SC) Serial Port Count 1 1 1 1 1 DB9 232 232 232 232 232 Terminal Block 422/485 422/485 422/485 422/485 422/485 Specifications Temp Spec -40 to 80°C -40 to 80°C -40 to 80°C -40 to 80°C -40 to 80°C Power DC 10 to 30VDC 10 to 48VDC 10 to 48VDC 10 to 48VDC 10 to 48VDC Mounting Panel DIN DIN DIN DIN Class 1 Division 2 – yes yes yes yes Page 19-16 19-14 19-15 19-17 19-18 Chapter 19 Table of Contents Table of Contents