EtherTRAKTM 100 Ohm PLATINUM RTD INPUTS

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
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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
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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
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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