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SS3014 – 4ch RTD Modbus RS-485 IO Module

The SS3014 RTD IO Module is able to acquire up to 4 RTD input signals, data values are transmitted with MODBUS RTU/ASCII protocol on the RS-485 network (RS232 interface is available.)

SKU SS3014 Category

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With this 4ch Modbus RS-485 IO Module, it is possible to connect RTD , Potentiometers or Resistance signals. By means of a 16 bit converter, the device guarantees a high accuracy and a stable measure versus time and temperature. Furthermore, to ensure the plant safety, two Watch-Dog timer alarms are also provided. Additionally, the 2000 Vac isolation between input, power supply and serial line removes eventual ground-loop effects. As a result, the device can even be used in heavy environmental conditions. SS3014 is in compliance with the 89/336/CEE directive on the electromagnetic compatibility. The device is housed in a rough self-extinguishing plastic container which, thanks to its thin profile of 17.5mm only, allows a high density mounting on EN-50022 standard DIN rail.

The SS3014 is designed to work with the MODBUS RTU/ASCII protocol: standard protocol in field-bus; allows to directly interface SS3000 series devices to the larger part of PLCs and SCADA applications available on the market.

Product Features

  • Field-Bus remote data acquisition
  • RS-485 Master/Slave communication type
  • 4 channel RTD inputs
  • RTD, Resistance and Potentiometer configurable input
  • Watch-Dog Alarm
  • Remotely Configurable
  • 2000 Vac 3-way Galvanic Isolation
  • High Accuracy
  • EMC compliance – CE mark
  • DIN rail suitable mounting – EN-50022 compliance

For the protocol and installation instructions, please see the specifications sheet and user manual.

Typical @ 25°C and in the nominal conditions.

RTD Input 2 or 3 wires Pt100: -200 to +850 °C
Pt1000: -200 to + 200 °C
Ni100: -60 to +180 °C
Ni1000: -60 to +150 °C
RES. Input 2 or 3 wires Low: 0 to 500 Ω
High: 0 to 2000 Ω
POT. (nom value) Low: 20 to 500 Ω
High: 20 to 2000 Ω
Input Calibration RTD: ±0.05 % f.s.
Res.: ±0.05 % f.s.
Pot.: ±0.05 % f.s.
Linearity RTD ±0.1 %
CJC Thermal Drift ±0.02 °C/ °C f.s.
Lead wire resistance influence RTD/res. 3 wires: 0.05 %/Ω (50 Ω max balanced) f.s.
RTD excitation current 0.350 mA
Thermal Drift ± 0.005 % / °C f.s.
Rise Time 0.5 to 2 sec
Data Transmission Baud Rate: 38.4 Kbps
Max Distance: 1.2 Km
Warm-up Time 3 min.
Power Supply Voltage 10 to 30 Vdc
Power Supply Current Consumption 30 mA @ 24 Vdc
Power Supply Polarity Inversion Protection 60 Vdc max
Isolation Input - RS485: 2000 Vac 50 Hz, 1 Min.
Supply - Input: 2000 Vac 50 Hz, 1 Min.
Supply - RS485: 2000 Vac 50 Hz, 1 Min.
Operating Temperature -10 to +60 °C
Storage Temperature -40 to +85 °C
Humidity (non condensing) 0 to 90 %
Housing Material Self-extinguishing plastic
Mounting EN-50022 DIN rail
Weight ∼ 150 g
EMC EN 61000-6-2
EN 61000-6-4
IOlog SS3014 Specifications IOlog SS3014 Specifications

IOlog SS3014 user guide IOlog SS3014 user guide

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