Brand: JUMO

JUMO cTRON 04/08/16 Compact Controller with Timer and Ramp Function, Type 702070

Name: JUMO cTRON Compact Controller 702070 | Seven Star LLC
Brand: JUMO
SKU: cTRON

Description

A compact controller with timer, ramp and service counter built in

The JUMO cTRON series (data sheet 70.2070) comprises three freely configurable, universally applicable compact controllers: the cTRON 16 (type 702071, 48 x 48 mm), the cTRON 08 (type 702072, 48 x 96 mm) and the cTRON 04 (type 702074, 96 x 96 mm). JUMO names heating cabinets, temperature stabilizing and cooling systems, drying and freezing systems, laboratory furnaces and sterilizers in the food, plastics and packaging industries as the main fields of use.

Every model has a red and a green four-digit seven-segment display for process value and parameters, seven further LEDs for switch positions, manual mode, ramp function and timer mode, and four keys on the front. Depending on the hardware, the unit works as a 2-state, 3-state, modulating or continuous controller. Self-optimization, a ramp with adjustable gradient, manual mode, power-on delay, two limit comparators, extensive timer functions and a service counter are part of the basic version, and one universal measurement input covers RTD probes, thermocouples and standard signals with linearizations for more than 20 sensors.

Technical specifications

Parameter	Specification
Types	702071 (cTRON 16, 48 x 48 mm), 702072 (cTRON 08, 48 x 96 mm), 702074 (cTRON 04, 96 x 96 mm)
Universal input	1 analog input: thermocouple, RTD probe, voltage, current
Thermocouple, type K	-200 to +1372 degC, accuracy 0.25 %, cold junction Pt100 internal
Other thermocouples	L, J, U, T, E, N, S, R, B, C, D and W3Re-W26Re
Pt100 / Pt1000	-200 to +850 degC, 2-wire or 3-wire, 0.1 % (2-wire 0.4 % / 0.2 %)
KTY11-6	-50 to +150 degC, 2-wire, 2.0 %
Standard signals	Voltage 0(2) to 10 V (input resistance above 100 kohm); current 0(4) to 20 mA (voltage drop max. 2.2 V); accuracy 0.1 %
Binary inputs	Up to 2, floating contact
Relay outputs	SPST normally open, 3 A at 230 V AC resistive, 150,000 operations at rated load
Logic output	0/14 V, 20 mA max.
Optional output	Third relay or analog output 0(2) to 10 V / 0(4) to 20 mA, accuracy 0.5 %
Controller	2-state, 3-state, modulating, continuous; P, PI, PD, PID; 16-bit A/D; sampling time 250 ms
Timer accuracy	+/-0.8 % +/-25 ppm/K
Interface	Setup interface standard; RS485 Modbus optional, 9600/19200/38400 baud, up to 32 nodes
Supply voltage	110 to 240 V AC -15/+10 %, 48 to 63 Hz, or 20 to 30 V AC/DC; max. 13 VA
Depth behind panel	90.5 mm (702071), 67.0 mm (702072), 70.0 mm (702074)
Weight	Approx. 123 g, 173 g and 252 g respectively
Protection	Front IP65, rear IP20
Ambient / storage temperature	-5 to +55 degC / -40 to +70 degC
Approval	cULus, file E201387-A2-UL-1 (UL 61010-1, CAN/CSA-C22.2 No. 61010-1)

Ordering code: size, outputs, supply and interface

The type coding follows the pattern 702071 / 8 – 1130 – 23 – 00. The first block selects the size, the version digit selects 8 (standard with factory settings) or 9 (programming to customer specification), and the output block defines outputs 1 to 4. Supply code 23 gives 110 to 240 V AC and 25 gives 20 to 30 V AC/DC; interface code 00 means none and 53 adds an electrically isolated RS485 interface.

Output code	Output 1 / 2 / 3 / 4
1130	Relay / relay / logic 0/14 V
1131	Relay / relay / logic 0/14 V / relay
1134	Relay / relay / logic 0/14 V / analog output

The scope of delivery is the controller, seal, mounting brackets and a DIN A6 operating manual B70.2070.0. The setup program and an interface adapter are accessories, and a CD with demo setup software can be ordered separately.

Timer functions, alarms and panel installation

The timer signal can be switched to the binary outputs or processed internally, which allows time-limited control, setpoint changeover or a signal delivered after the timer has expired. Two limit comparators offer eight switching functions each, and the service counter watches either the ON period or the switching frequency of a binary signal such as a relay, then raises an alarm at a configured limit. Binary functions include start of self-optimization, manual mode lock, ramp hold, setpoint changeover, key inhibit and timer start/hold/cancel.

For measuring-circuit monitoring the outputs assume a configurable defined state on a fault, and thermocouple, RTD and 4 to 20 mA inputs are checked for under- and overrange and for sensor or lead short-circuit where indicated. Panel cut-outs are 45 mm for the 48 x 48 unit and 92 mm for the 96 mm formats; minimum spacing is more than 8 mm for the 702071 and more than 10 mm for the other two, with 65 mm vertically for the 702071 when the setup connector is used. The startup function records process variables for up to 24 hours to document commissioning.

As general guidance, record the order code printed on the nameplate before requesting a quotation, and keep the data sheet revision with the project documents so that later replacements match the installed device. Tell us the quantity, the delivery location in Oman and any wiring or mounting accessories you also need, and we will confirm availability and lead time for the exact variant.

Documents and quotation

The JUMO data sheet 70.2070 (dated 2009-09-22) can be downloaded below. Seven Star LLC supplies JUMO compact controllers from Muscat; tell us the size, output code, supply voltage and interface and we will quote. Other controllers are collected under https://omansevenstar.com/product-category/automation-and-control/controllers-and-data-acquisition/.

Datasheets & Documents

Datasheet JUMO data sheet 70.2070 (cTRON 04/08/16) 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.

Browse JUMO products by category: Temperature Instrumentation, Pressure Instrumentation, Liquid Analysis Sensors, Controllers & Data Acquisition, Level Transmitter.