Data Sheet Modbus Ethernet Gateways (G01 - G03 & G14 - G16) Features 2-mode Ethernet Modbus Gateway Ethernet converter to RS232/RS485 ESD protection for the RS485 data line Power supply: +12 to +30 VDC Transmission speed up to 115200 bps Tx, Rx and power LED indicators RS485 embedded termination 120 ohm Operating temperatures: -40°C to +75°C DIN rail mounting Dimensions: 90x56.4x22.5 mm 3 years warranty Customization of OEM is welcomed Introduction Devices are based on G01 - G03 gateways ( ESP32 Xtensa LX6 microcontroller ) and G14 - G16 gateways ( STM32F4 microcontroller ) depending on needed ports and interfaces. Dedicated EMC integrated circuits guarantee improved connection quality by limiting the impact of interference typical for an industrial environment. Modbus gateways allow data transmission between LAN hosts and serial devices by converting Modbus protocols (Modbus TCP and Modbus RTU/ASCII). They are intended to be used in industrial networks especially in the field of Industry 4.0 but not only. Apart from extending the capabilities of industrial devices, they can be also adapted up to user’s requirements and needs. Transmission is carried out by two modes: Gateway and Router. In the Gateway mode, the port is used to communicate with Slave devices, but in the Router mode with Master devices. It is also possible to set up different modes on every port. Block diagrams below describe how each of these modes works. The device has max 20 sockets open in Gateway mode and max 8 in Router mode. It is possible to increase this value at client's request. Specification Redisage PN G01 G02 G03 G14 G15 G16 Ports RS232 2x - - 4x 2x - RS485 - 1x - - 2x 4x RS232/RS485 - - 2x - - - Microcontroller ESP32 STM32F4 WiFi N/A Power Voltage 12-30 VDC Power < 1 W Frame ground connection yes Baud rate up to 115200 bps LED indicators communication Tx, Rx and power RS485 termination 120 ohm manually enabled Connector RS232/RS485 8-pin terminal block max. 2.5 mm 2 wire Power 3-pin terminal block max. 2.5 mm 2 wire Ethernet RJ45 Transmission distance RS485 max. 1,200 m at 9.6 kbps; max. 400 m at 115.2 kbps (Belden 9841 2P twisted-pair cable, if different cables are used, the transmission distance may change) RS232 max. 15 m at 115.2 kbps Mounting and enclosure DIN rail, plastic PA - UL 94 V0, black/green Temperatures -40°C to +75°C operating and storage Humidity 10 - 90% RH, non-condensing ESD protection ±4 kV contact discharge / ±8 kV air discharge Certification  CE, RoHS, EMC, LVD Norms 61000-6-2 - Immunity standard for industrial environments 61000-6-4 - Emission standard for industrial environments Variants G01 - Ethernet Modbus Gateway 2x RS232 G02 - Ethernet Modbus Gateway 1x RS485 G03 - Ethernet Modbus Gateway 2x RS232/RS485 In the G03 gateway user should use only RS232 or only RS485 interface of one port as they occupy the same internal bus of the device. It means, don't use pairs: RS232-1 & RS485-1 at the same time and RS232-2 & RS485-2 at the same time! G14 - Ethernet Modbus Gateway 4x RS232 G15 - Ethernet Modbus Gateway 2x RS232 & 2x RS485 G16 - Ethernet Modbus Gateway 4x RS485 Frame ground FG Electronic circuits are constantly prone to electrostatic discharge ESD. Redisage Electronics modules feature a design for the frame ground terminal block FG. The frame ground provides a path for bypassing ESD, which provides enhanced static protection ESD abilities and ensures the module is more reliable. Connecting FG terminal block to the earth ground will bypass the ESD disturbances outside the device so will provide a better level of protection against ESD. Frame Ground FG connection reference drawing is provided below. If earth ground is not available FG can be left floating or it can be connected with the power supply GND. Pin assignments G01 G02 G03 G14 G15 G16 LED indicators Modbus Gateways G01 - G03 Modbus Gateways G14 - G16 LED indicator Color Function LED indicator Color Function PW Blue Power PW Blue Power ETH Green Network activity ETH Green Network activity ST Orange Console mode CN Yellow Console mode Red Service mode COM Green RS232/RS485 activity   SR Red Service mode ER Yellow Error Enclosure dimensions 2U Module Enclosure 98 x 22.5 x 56.4 Units: mm Additional notes Related information and links Ordering information Accessories Similar products Products family sample photo https://redisage.com DISCLAMER NOTES ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE. Datasheet-ID:  SR-D