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Universal Remote I-O Modules Remote I-O for Programmable Logic Controllers (PLCs)
TRODEKS Engineering | Thermocouples, Pressure Transducers, Flow Meters, PID Controllers
HE359 Series
  • Connects Via 2-Wire RS485 MODBUS (RTU or ASCII) to Any Programmable Logic Controller (PLC)
  • A Total of 31 I/O Modules May be Daisy-Chained on a Single RS485 Link
  • DIN Rail Mountable
  • Optical Isolation
  • Response Time Suitable For Most Analog Applications
  • Cost Effective Addition Per Point
  • Fits in the Smallest Panels: 17.5 x 100 x 120 mm (0.69 x 3.94 x 4.72")
  • 12 Different I/O Modules Are Available to Choose From Including: DC In, Relay Out, Analog In, Analog Out, RTD, Thermocouple
 Manuals (contact with email : [email protected])


Remote I/O, or distributed I/O, offers severaladvantages over the traditional local I/Ofound on a Programmable Logic Controller(PLC). First, it allows you to locate theI/O modules close to the process that isbeing monitored or controlled. This greatlyimproves noise immunity, as the weaksensor signals are converted to digitalsignals before being transmitted longdistances through a noisy plantenvironment. trodeks universal remoteI/O modules use a simple 2-wire RS485 linkusing MODBUS RTU/ASCII protocol, whichis supported by most programmable logiccontrollers. A second advantage is thatremote I/O greatly reduces the wiring at themain control panel, saving time and moneywhen repairs and upgrades are necessary.Adding additional sensors and controlsignals is as easy as connecting to thealready installed RS485 link and modifyingthe PLC program to utilize the new I/O. Inaddition, remote I/O allows you to expandyour process control system beyond thelocal I/O capabilities of your PLC. You canadd thermocouple, RTD, pressure, and flowsensors to a PLC that doesn’t support thesetypes of inputs. With remote I/O, yourprocess application is no longer dependenton your controller choice.

Number of Channels:
    4: HE359ADC107, HE359ADC120, HE359DAC007, HE359RTD100, HE359THM100, HE359DIQ512
    8: HE359ADC207, HE359ADV220, HE359DAC107, HE359DAC201, HE359THM200
    12: HE359DIM610
Input Ranges:
    ±10V: HE359ADC107, HE359ADC207
    ±20 mA: HE359ADC120, HE359ADV220
    12/24 Vdc: HE359DIM610, HE359DIQ512 RTD Pt-100, Ni-100, Pt-1000, Ni-1000; 0 to 2000 Ω,
    0 to 500 Ω: HE359RTD100 J, K, R, S, B, E, T, N; ±50 mV, ±100 mV, ±500 mV,
    ±1V: HE359THM100, HE359THM200
Output Ranges:
    0 to 20 mA or 0 to 10V: HE359DAC007, HE359DAC107
    0 to 10V: HE359DAC201
OFF Voltage Level: 0 to 3 Vdc (HE359DIM610, HE359DIQ512)
ON Voltage Level: 10 to 30 Vdc (HE359DIM610, HE359DIQ512)
    16-bit: HE359ADC107, HE359ADC207, HE359ADC120, HE359ADC220
    1 µA or 1 mV: HE359DAC007, HE359DAC107
    1 mV: HE359DAC201
    0.1°C or 0.1 Ω: HE359RTD100
    0.1°C or 0.001 mV: HE359THM100, HE359THM200 RTD Excitation Current (HE359RTD100): 350 µA, typical
±0.1% FS: HE359RTD100, HE359THM100, HE359THM200
Load Resistance:
    Voltage: >5 kΩ (HE359DAC007, HE359DAC107, HE359DAC201)
    Current: <500 Ω (HE359DAC007, HE359DAC107)
Output Calibration:
    Voltage: ±10 mV (HE359DAC007, HE359DAC107, HE359DAC201)
    Current: ±20 µA (HE359DAC007, HE359DAC107)
Input Impedance:
    1 MΩ: HE359ADC107, HE359ADC207
    <50 Ω: HE359ADC120, HE359ADC220
    4.7 kΩ: HE359DIM610, HE359DIQ512
    >10 MΩ: HE359THM100, HE359THM200 Relay Outputs Per Module (HE359DIQ512): 4 (2 SPDT, 2 SPST) Max Switching Power (HE359DIQ512): 2A @ 250 Vac, 2A @ 30 Vdc
Min Load (HE359DIQ512): 5 Vdc, 10 mA
Max Voltage (HE359DIQ512): 250 Vac, 110 Vdc
Linearity: ±0.1%
External Power Supply Voltage:
    10 to 30 Vdc: HE359ADC107, HE359ADC207, HE359ADC120, HE359ADC220, HE359DIM610, HE359RTD100, HE359THM100, HE359THM200
    18 to 30 Vdc: HE359DAC007, HE359DAC107, HE359DAC201
Required Power (Steady State):
    30 mA @ 24 Vdc, Typical: HE359ADC107, HE359ADC207, HE359ADC120, HE359ADC220, HE359DAC201, HE359RTD100, HE359THM100, HE359THM200
    30 mA @ 24 Vdc, Typical (100 mA max): HE359DAC007, HE359DAC107
    35 mA @ 24 Vdc,Typical: HE359DIM610
    45 mA @ 24 Vdc, Typical: HE359DIQ512
Required Power (Inrush): Negligible
Isolation: 2000 Vac for 60 seconds (input/power and input/comms)
PLC Update Rate: Determined by Communications with OCS: HE359DIM610, HE359RTD100, HE359THM100, HE359HTM200
20 mS min: HE359DIQ512
Thermal Drift (HE359DAC201): 100 ppm max
Terminal Type: Screw type, removable
Storage Temperature: -40 to 85°C (-40 to 185°F)
Operating Temperature: -10 to 60°C (14 to 140°F)
Relative Humidity (Non-Condensing):
    5 to 95%: HE359ADC107, HE359ADC207, HE359DAC007, HE359DAC107, HE359DAC201, HE359DIM610, HE359DIQ512, HE359RTD100, HE359THM100, HE359THM20
    5 to 90%: HE359ADC120, HE359ADC220
Dimensions: 17.5 W x 100 H x 120 mm D (0.69 x 3.94 x 4.72")
Weight: 150 g (6 oz); 210 g (8.4 oz) HE359DIQ512 only
Communications: MODBUS®/RTU (binary) RS485 half duplex
Default Communications Parameters: 38400 baud, N, 8, 1, no h/s default modbus ID 1
Supported MODBUS Commands: 1, 2, 3, 4, 5, 6, 8, 15, 16
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