PRODUCT DATASHEET ET-4RTD-4DI2 EtherTRAKTM 100 Ohm PLATINUM RTD INPUTS Select the ET-4RTD-4DI2 when you need to monitor both 100 Ohm Platinum RTD and discrete inputs (alarm limits, switches, etc.) over an Ethernet network. PRODUCT HIGHLIGHTS 16 bit differential inputs reduce noise and ground loops RTDs are more accurate than thermocouples RTD linearization done in software for high accuracy Four discrete inputs for monitoring or counting PERFORMANCE SPECIFICATIONS 4 RTD inputs RTD type, 100 Ohm platinum, alpha = .00385 or .00392 Compatible lead configurations 2, 3, or 4 wire Input range -200 to 850°C 16 bits A/D resolution Scaled resolution 0.1°C Full scale accuracy (@20C) 0.5°C Span & offset temp. coefficient +/- 25 ppm/°C Excitation current (pulsed to reduce self-heating) 250 uA Max. lead wire resistance 100 Ohms per side, balanced Input protection +/- 25 VDC Fastest scan rate (4 RTDs) 700 mS Fastest scan rate (4DIs) 2 mS Number of discrete inputs 4 Nominal discrete input range 12/24 VDC/VAC Discrete input characteristics Same as ET-16DI2 Filtered Mode ON/OFF delay 25 mS Filtered Mode count feature 10 Hz maximum Fast Mode count feature 100 Hz Max (2 kHz on channel 1) Required supply voltage 10-30 VDC (0.75 watt typical) Operating temperature range -30 to 70° C Storage temperature range -40 to 85° C Humidity (non-condensing) 5 to 95% RS485 PORT FOR I/O EXPANSION 32 Max. RS485 stations (up to 512 I/O) Baud rate: 38,400 bps Recommended distance of up to 0.5 mile Protocol: SIXNET “I/O for Windows”, Modbus ASCII & RTU Isolation (from Ethernet port) 1200 Volts RMS 1 minute ORDERING INFORMATION ET-4RTD-4DI2-U 4 RTD and 4DI with wiring base ET-4RTD-4DI2-M Replacement module only All specifications are subject to change. Consult factory for latest info. Sixnet Technology Park • 331 Ushers Road • Ballston Lake, NY 12019 • USA 1.518.877.5173 • Fax 1.518.877.8346 • [email protected] SOLUTIONS FOR YOUR INDUSTRIAL NETWORKING CHALLENGES DATASHEET ET-4RTD-4DI2 May 20, 2009 WWW.SIXNET.COM