Functions & Features • Bidirectional protocol converter for Modbus/TCP (Ethernet) and Modbus RTU (RS-485) • Fast response time thanks to the Cache function • Available the type designed to connect to DL8 and R8 series modules
MODEL: GR8–EM–[1]-R
ORDERING INFORMATION • Code number: GR8–EM-[1]-R Specify a code from below for [1]. (e.g. GR8-EM-D-R)
[1] INSTALLATION S: Single Use D: Coupled with DL8 * The internal bus of DL8 is not connected although coupled with DL8.
POWER INPUT DC Power R: 24 V DC (Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)
GENERAL SPECIFICATIONS Connection •Power input: Euro type connector terminal Applicable wire size: 0.2 - 2.5 mm2 Stripped length: 7 mm •RS-485: Tension clamp (Front Twin connection) Applicable wire size: 0.2 - 1.5 mm2 Stripped length: 10 mm •Ethernet: RJ-45 connector Housing material: Flame-resistant resin (black) Isolation: Ethernet to RS-485 to power supply to FE1 DIP SW Setting: Selection of IP Address and Maintenance/Normal mode Configurator (IP Address and baud rate) Settings from Web browser (provided by user) Compatible terminal, browser Windows PC (Windows 7, 8.1, 10): Internet Explorer 11.0.47 Firefox 62.0.3 Chrome 69.0.3497.100 Edge 44.17763.1.0 Smart Phone, Tablet PC (iOS 11.4.1, Android 8.0.0) Safari 11.4.1 Chrome 69.0.3497.100 Status indicator LED: RUN, ERR, RD, SD, LINK, LK100
■ Modbus RTU •Supported Commands Read Coil Status (01) Read Input Status (02) Read Holding Registers (03) Read Input Registers (04) Force Single Coil (05) Preset Single Register (06) Diagnostics (08) Fetch Comm. Event Counter (11) Fetch Comm. Event Log (12) Force Multiple Coils (15) Preset Multiple Registers (16) Report Slave ID (17) ■ Cache Commands Following commands are valid for Cache function. Read Coil Status (01) Read Input Status (02) Read Holding Registers (03) Read Input Registers (04) (Up to 100 queries)
Ethernet, Modbus/TCP Standard: IEEE 802.3u Transmission type: 10BASE-T, 100BASE-TX Transmission speed: 10 / 100M bps (Auto Negotiation) Protocol: TCP/IP Number of connections: 8 Transmission media: 10BASE-T (STP cable; Category 5) 100BASE-TX (STP cable; Category 5e) Maximum segment length: 100 meters Communication configuration: with Web browser IP address: 192.168.0.1 (factory default setting) Subnet mask Default gateway Port No.: 502 (factory default setting) User name, password Modbus exception response Connection time out
INSTALLATION Power consumption • DC: ≤ 1.5 W 24 V DC Operating temperature: -10 to +55°C (14 to 131°F) Operating humidity: 10 to 90 %RH (non-condensing) Mounting: DIN rail Weight: 120 g (0.26 lb)
PERFORMANCE Insulation resistance: ≥ 100 MΩ with 500 V DC Dielectric strength: 1500 V AC @ 1 minute (Ethernet to RS-485 to power to FE1)
STANDARDS & APPROVALS EU conformity: EMC Directive EMI EN 61000-6-4 EMS EN 61000-6-2 RoHS Directive EN 50581
BASIC CONFIGURATIONS
EXTERNAL VIEW
COMMUNICATION CABLE CONNECTIONS
EXTERNAL DIMENSIONS unit: mm (inch)
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
SYSTEM CONFIGURATION EXAMPLES Devices other than the GR8-EM in below provided by the user.
NAGANOKEIKI
