2024年4月1日发(作者：)
JUMO GmbH & Co. KG
Delivery address:Mackenrodtstraße 14,
36039 Fulda, Germany
Postal address:36035 Fulda, Germany
Phone:+49 661 6003-0
Fax:+49 661 6003-607
e-mail:*************
Internet:
JUMO Instrument Co. Ltd.
JUMO House
Temple Bank, Riverway
Harlow, Essex CM 20 2TT, UK
Phone:+44 1279 635533
Fax:+44 1279 635262
e-mail:*************.uk
Internet:
JUMO Process Control, Inc.
8 Technology Boulevard
Canastota, NY 13031, USA
Phone:315-697-JUMO
1-800-554-JUMO
Fax:315-697-5867
e-mail:************
Internet:
JUMO eTRON M100
Electronic Refrigeration Controller
76mmx36mm format
Brief description
The JUMO eTRON M100 is an electronic refrigeration controller for application in cold stores,
freezer cabinets or cold displays, for connection to RTD probes Pt100, Pt1000, KTY1X-6 or
KTY2X-6. The first measurement input is used to acquire the temperature of the cold store.
The second measurement input acquires the evaporator temperature, and ends the defrosting
process as soon as the limit for defrosting has been reached.
The measurements and parameters are shown in a 3-character backlit display.
Three relays are available for the cooling unit, the defrosting heating, and the fan.
Alarms can optionally be generated via a relay or by means of the integrated buzzer.
The switching states of the relays are indicated via yellow LEDs. Further options include a data
logger with an adjustable recording interval for HACCP-compliant documentation
1
, an RS485
interface, and a real-time clock. The electrical connection is made via screw terminals.
Four keys serve for instrument operation and parameterization.
A setup program and a PC interface are available as accessories, for easy parameterization
from the PC, and for evaluating the data logger.
Block diagram
Measurement input 1
Setup interface
(configurable)
2-wire circuit:
for configuration from a PC
- Pt100
for evaluating the data logger
- Pt1000
-KTY1X-6, KTY2X-6
Relay outputs
Measurement input 2
changeover(SPDT) 16A/250 V
(configurable)
make (SPST-NO) 8A/250 V
2-wire circuit:
0
make (SPST-NO) 8A/250 V
- Pt100
0
- Pt1000
1
-KTY1X-6, KTY2X-6
LCD display
M
3-character display, with
N
background lighting, for
Binary input
showing the temperature
(configurable)
O
and the parameters
Floating contact for:
R
- defrosting start/stop
T
- fan on/off (door contact)
e
Option 1
- key inhibitactive/inactive
O
Alarm contact relay,
- display switch-off active/inactive
M
changeover (SPDT) 16A/250V
- alarm acknowledgement
active/inactive
U
or
J
buzzer
Supply
Option 2
12 — 24 V AC/DC +15/-15 %,
48 — 63Hz
Data logger, real-time clock, and
RS485 interface
or
RS485 interface
1
HACCP : Hazard Analysis and Critical Control Point
Approvals
2009-04-01/00488089
Page 1/6
Type 701061/...
Special features
kChoice of “electrical” or
“hot gas” defrosting process
k16A relay for cooling unit and
8A relay for defrosting and
fan functions
k2 analog inputs for RTDs,
KTY1X-6 or KTY2X-6
in 2-wire circuit
kCustomized linearization is programmable
through the setup program
kOperating hours counter with integrated
service counter
kAlarm generation via relay or buzzer
kAvailable with real-time clock, data logger,
and RS485 interface
kThe data logger records the measurement
inputs and switching states of all relays.
This makes it possible to implement
HACCP monitoring of the cold chain.
kUp to 8 parameters can be enabled
individually for the operating level
kThe parameter level is protected by a
code, thus preventing any unauthorized
access to the instrument data.
kMeets the requirements as per
EN 12830 and EN 13485
kSetup program for instrument
configuration and
evaluation of the data logger
Displays and controls
LCD display3-character nine-segment display, 13 mm high, and symbols for
the temperature unit, hr, min and sec, with red background lighting
LED below the The LEDs
symbols Cooling
Defrosting
Fan and
Alarm come on when the corresponding relay is energized.
The LEDs go out when the corresponding relay is de-energized.
Keys
for Start/Stop of manual defrosting,
acknowledge alarms
Programming
Increase parameter value
Decrease parameter value
Setup
interface
A PC interface and an adapter (4-pole socket) are used to connect the
instrument to a PC.
Technical data
Analog inputs
Analog input 1
and 2
RTDs
PTC
DesignationMeasuring range
Detection of ...
Tolerance
in % of measuring range span,
probe short-probe
temperature effect
circuitbreak
0.05% (±0.4°C), 100ppm/°C
0.05% (±0.4°C), 100ppm/°C
0.5% (±0.75°C), 100ppm/°C
0.5% (±1°C), < 100ppm/°C
0.075% (±2.6Ω), 100ppm/°C
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
Pt100 EN 60751
Pt1000 EN 60751
KTY1X-6
KTY2X-6
resistance 10 — 3500 Ω
-200 to +600°C
-200 to +600°C
-50 to +100 °C
-50 to +150 °C
customer table
1
Measuring current for Pt100: 2 mA, for Pt1000, KTY2X-6, KTY1X-6 and resistor: 0.2 mA
Lead compensation is adjustable via the parameter Lead compensation resistance and .
The total resistance at the analog input (probe resistance + selected value for or.1 or or.2) must not exceed the following values:
314Ω (with Pt100), 3140Ω (with Pt1000), 2235 Ω (with KTY2x-6), and 3400Ω (with KTY1x-6).
Input resistance
Sampling time
Input filter
Measuring current
Lead compensation
Temperature offset
Special features
1
R
IN
≥ 100kΩ
250msec
1st order digital filter; filter constant adjustable from 0.1to99.9sec
with Pt100: 0.2mA, with Pt1000, KTY2X-6, KTY1X-6 and resistor: 0.02mA
adjustable via the parameters Lead compensation resistance
adjustable via the parameters and
in the instrument.
temperature indication switchable to °F (Fahrenheit)
and
A valid customer table must be entered through the setup program and switched over to
Environmental influences
Ambient temperature range
Storage temperature range
Climatic conditions
Shock und vibration
Care of the front panel
0to55°C
-40to+70°C
≤85% rel. humidity, no condensation
DIN EN 60068-2-6 schedule C.2, Frequency-Range: 10 to 55 Hz
Acceleration: 20 m/s
2
(2g)
The front panel can be cleaned with normal commercial washing, rinsing and cleaning agents.
Do not use any solvents such as methylated spirits, white spirit, P1 or xylol !
Output
Relay for cooling, changeover (SPDT)
Relay for alarm, changeover (SPDT)
Relay for defrosting, make (SPST-NO)
Relay for fan, make (SPST-NO)
2009-04-01/00488089
70 000 operations at 16A, 250V AC, 50Hz resistive load
60.000 operations at 16A, 250V AC, 50Hz cos phi > 0,6
100 000 operations at 8A, 250V AC, 50Hz resistive load
85.000 operations at 8A, 250V AC, 50Hz cos phi > 0,6
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