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JUMO iTRON 04/08/16/32 Compact Microprocessor Controller, Type 702040

Description

Five compact formats, one simple three-key controller

The JUMO iTRON series (data sheet 702040) offers universal, freely programmable compact controllers in five bezel sizes: the iTRON 32 (type 702040, 48 x 24 mm), iTRON 16 (702041, 48 x 48 mm), iTRON 08 (702042 portrait and 702043 landscape, 48 x 96 mm) and iTRON 04 (702044, 96 x 96 mm). A clearly readable four-digit, green seven-segment display with a character height of 10 mm or 20 mm (20 mm on 702043 and 702044) shows the process value, setpoint and operator dialogs.

Only three keys are needed for configuration. Parameters are arranged dynamically and a value is accepted automatically after two operation-free seconds. Self-optimisation is standard and establishes controller parameters with one key stroke, and the basic version includes a ramp function with adjustable gradients. A timer function is available as an extra. Each unit works as a single-setpoint controller with limit comparator or as a double-setpoint controller with P, PD, PI or PID structure, and the front is protected to IP66.

Technical specifications

Parameter Specification
Types 702040 (48 x 24), 702041 (48 x 48), 702042 (48 x 96 portrait), 702043 (96 x 48 landscape), 702044 (96 x 96) mm
Process value input Pt100, Pt1000, KTY11-6, thermocouples L, J, U, T, K, N, S, R, B, 0(4) to 20 mA, 0(2) to 10 V
Thermocouple K range -200 to +1372 degC, accuracy 0.4 %
Pt100 / Pt1000 -200 to +850 degC, 2-wire or 3-wire, 0.1 %; max. 20 ohm per lead
KTY11-6 -50 to +150 degC, 1.0 %
Voltage inputs 0 to 10 V, 2 to 10 V (input resistance above 100 kohm); 0 to 1 V, 0.2 to 1 V (above 10 Mohm, 702040/41 with 2 relays)
Current inputs 0(4) to 20 mA, voltage drop max. 3 V, accuracy 0.1 %
Output 1 Relay, make contact, 3 A at 250 V AC resistive, 150,000 operations
Output 2 Logic 0/5 V (or 0/12 V option), 20 mA; relay option on 702040/41
Output 3 Relay (702042, 702043, 702044 only)
Controller Single-setpoint with limit comparator or double-setpoint; P, PD, PI, PID
A/D resolution / sampling Better than 15 bit; 210 ms (250 ms with timer)
Timer accuracy 0.7 % +/-10 ppm/degC
Display 4-digit green 7-segment, -1999 to +9999 digits, 10 mm (702040/41/42) or 20 mm (702043/44)
Supply 110 to 240 V AC -15/+10 %, 20 to 30 V AC/DC or 10 to 18 V DC; max. 7 VA
Depth behind panel 100 mm (702040/41), 70 mm (702042/43/44)
Weight Approx. 75, 95, 145, 160 and 200 g respectively
Protection IP66 front, IP20 rear
Ambient / storage temperature 0 to 55 degC / -40 to +70 degC; up to 2000 m
Approval UL E201387 (UL 61010-1); CSA 232831 (CAN/CSA-C22.2 No. 61010.1-04), via extra code 069

Type designation and extra codes for the iTRON

The type designation is 7020.. / .. – … – … – .. / …, built from six blocks. Block 1 selects the bezel: 40 = 48 x 24, 41 = 48 x 48, 42 = 48 x 96 portrait, 43 = 96 x 48 landscape, 44 = 96 x 96. Block 2 is 88 for a configurable controller type or 99 for a customer-specified one, block 3 is 888 for configurable inputs or 999 for customer-specified inputs, and block 4 gives the outputs. Block 5 sets the supply (16 = 10 to 18 V DC, 25 = 20 to 30 V AC/DC, 23 = 110 to 240 V AC). Extra codes are listed in sequence, separated by commas.

Code Meaning
000 Standard outputs: relay, logic 0/5 V, plus relay on 702042/43/44
113 Output 2 logic 0/12 V
101 Output 2 relay (702040/41 only)
069 UL and CSA approval
210 Timer function
220 Timer function plus limit switch

For customer-configured units the input is coded, for example 001 = Pt100 3-wire, 043 = NiCr-Ni K, 053 = 4 to 20 mA and 063 = 0 to 10 V. The delivery package contains a mounting frame (702040/41) or two mounting brackets (702042/43/44), a seal and operating instructions 70.2040.

Mounting, monitoring and typical uses

The iTRON is built into panels to DIN IEC 61554 for indoor use at up to 2000 m altitude. Panel cut-outs are 45 x 22.2 mm for the 48 x 24 unit, 45 x 45 mm, 45 x 92 mm, 92 x 45 mm and 92 x 92 mm for the larger sizes. Connection is by plug-in screw terminals at the rear with up to 1.0 mm2 on the two smallest sizes and 1.5 mm2 on the others.

On a measurement fault the outputs move to a configurable defined state. Overrange and underrange are recognised for all sensors, probe or lead break for thermocouple, RTD, 2 to 10 V and 4 to 20 mA signals, and short-circuit for RTD, 2 to 10 V and 4 to 20 mA. A digital input filter with programmable time constant steadies noisy signals. The output assignment can reverse the control action, for example output 1 for heating below setpoint and output 2 for cooling above setpoint, which fits ovens, heated tanks, packaging machines and refrigeration cabinets.

The bezel sizes also differ in display height and mounting depth. The 48 x 24 and 48 x 48 mm units sit 100 mm behind the panel and have 10 mm digits, while the 48 x 96 mm and 96 x 96 mm units need 70 mm depth and the 96 mm landscape and square units show 20 mm digits. The status indication uses yellow LEDs for outputs 1 and 2, and the front keys program the setpoint and parameters. Data are stored in EEPROM, electrical safety is to EN 61010 part 1 with overvoltage category II for the two small units and III for the three larger ones.

Documents and quotation

The JUMO data sheet 702040 (dated 2014-09-01) is provided for download. Seven Star LLC supplies JUMO controllers from Muscat; send the bezel size, input, output option, supply and extra codes for a quotation. See https://omansevenstar.com/product-category/automation-and-control/controllers-and-data-acquisition/ for further controllers.

Datasheets & Documents
  • PDF Datasheet JUMO data sheet 702040 (iTRON 04/08/16/32) Download
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About brand

Temperature measurement is the origin of JUMO, founded in 1948 in Fulda, Germany, as a maker of glass thermometers. Today the catalog covers sensors and transmitters for temperature, pressure, level and liquid analysis, plus controllers and recorders. Seven Star LLC lists JUMO RTD probes, pressure and differential pressure transmitters, pH, conductivity, turbidity and dissolved oxygen instruments, and sources them for plants in Oman.

JUMO product families listed

JUMO uses family names that recur across the catalog:

  • dTRANS: transmitters, including dTRANS T01 and T100 for temperature, dTRANS p02 DELTA for differential pressure, and dTRANS pH 02 and CR 02 for liquid analysis
  • Wtrans: wireless probes and transmitters, such as Wtrans T for RTD temperature and Wtrans p for pressure
  • digiLine and ecoLine: digital and optical analysis sensors, for example the digiLine O-DO S10 dissolved oxygen sensor and the ecoLine NTU turbidity sensor
  • NESOS: float-based level transmitters and switches
  • RTD temperature probes: screw-in types such as 902030 and mineral-insulated designs

Where JUMO sensors are used

JUMO sensors and transmitters are typical of food and beverage lines, water and wastewater treatment, pharmaceutical utilities, heating and cooling systems, and packaged machinery supplied to the GCC by European builders. Many requests are for a like-for-like replacement of a probe fitted by the machine maker, where length, thread and connector have to match exactly.

Ordering JUMO parts: what we need

JUMO identifies each product group by a six-digit type number, such as 902030, followed by an order code that fixes the options. The label of the delivered item normally carries a part number as well. Send whichever you have, ideally both, or a photo of the label. For JUMO temperature probes add insertion length, diameter, process connection, sensor type and wiring. For JUMO pressure sensors state range, output, process connection and electrical connector. For analysis sensors name the transmitter they connect to and the cable length.

Frequently Asked Questions

What sizes does the iTRON offer?
48 x 24 mm, 48 x 48 mm, 48 x 96 mm (portrait), 96 x 48 mm (landscape) and 96 x 96 mm.
How many keys are needed to set it up?
Three keys. The value entered is accepted automatically after two operation-free seconds.
Does it include self-optimisation?
Yes, self-optimisation is standard and starts with a key stroke; a ramp function is also in the basic version.
What front protection does it have?
IP66 at the front and IP20 at the back.
How is the timer function ordered?
As extra code 210 (timer) or 220 (timer plus limit switch).