Burkert GENERIC 8400 User manual

Instruction Manual
WALL-MOUNTED TEMPERATURE CONTROLLER
8400
© Bürkert 2001 Subject to technical change without notice

ENGLISH ENGLISH
Wall-mounted Temperature Controller
Table of Contents
1 SAFETY RECOMMENDATIONS .................................................................................... 4
1.1 Utilisation ................................................................................................................... 4
1.2 Precautions at installation and commissioning............................................. 5
1.3 Conformity to standards ........................................................................................ 5
2 DESCRIPTION ....................................................................................................................6
2.1 Design ......................................................................................................................... 6
2.2 Measuring principle ................................................................................................ 6
2.3 Available versions ................................................................................................... 7
2.4 Accessories ............................................................................................................... 7
3 TECHNICAL DATA ............................................................................................................. 8
4 INSTALLATION ................................................................................................................. 10
4.1 General recommendations ................................................................................. 10
4.2 Mounting .................................................................................................................. 10

8400 3
ENGLISH ENGLISH
4.3 Electrical connection ............................................................................................ 11
4.3.1 Connectors .................................................................................................... 11
4.3.2 Wiring of the controller M12 fixed connectors ................................... 12
5 PROGRAMMING ............................................................................................................. 14
5.1 General recommendations ................................................................................. 14
5.2 Functionalities ........................................................................................................ 14
5.3 Programming keys ................................................................................................ 15
5.4 Default Configuration ........................................................................................... 15
5.5 Normal Mode .......................................................................................................... 16
5.6 Possible switching modes of the 8400 ........................................................... 17
5.7 Calibration Mode ................................................................................................... 18
5.8 Simulation Mode ................................................................................................... 21
6 MAINTENANCE ................................................................................................................ 22
6.1 Cleaning ................................................................................................................... 22
6.2 Error messages ...................................................................................................... 22
7 ANNEX ............................................................................................................................... 24
7.1 Example of connection with the 8400 ............................................................. 24
7.2 Description of the label of the controller 8400 ............................................. 24

ENGLISH ENGLISH
Wall-mounted Temperature Controller
1 SAFETY RECOMMENDATIONS
Always respect the safety instructions marked by the symbol
opposite as well as those included in the manual.
1.1 Utilisation
The 8400 controller has been designed to measure the temperature of
a liquid or a gas.
There will be no manufacturer warranty for damages caused by
unexpected handling or wrong usage of the device. The warranty on the
device becomes invalid if any modification or change is made on the
device.

8400 5
ENGLISH ENGLISH
The device should only be installed and repaired by specialist staff.
The user is not allowed to work on the cables inside the housing.
If any difficulties may occur with the product during installation,
please contact your nearest Bürkert sales office for assistance.
1.2 Precautions at installation and commissioning
- When the device is powered and the cover is open, protection
against electric shocks is not ensured.
- To clean the device, only use chemically compatible products.
- Protect the controller from electromagnetic perturbations and,
when installed outside, protect it from the rain and ultraviolet
radiations.
1.3 Conformity to standards
EMC: EN 50 081-1 (1992), 50 082-2 (06-1995)
Security: EN 61 010-1 (1993, A2-1995)

ENGLISH ENGLISH
Wall-mounted Temperature Controller
2.1 Design
The temperature controller 8400 is an electronic module which has to
be inserted into an holder previously mounted on a wall. It must be
associated to a remote 3-wire Pt100 temperature sensor (for example,
an ST21 sensor). It may switch a solenoid valve, activate an alarm or
establish a control loop.
The switching point can be adjusted by means of the three keys located
under the display.
The electrical connection is carried out via a 5-pin-M12 male connector
and a 4-pin-M12 female connector.
2.2 Measuring principle
The controller 8400 measures the resistance of the remote Pt100
sensor.
2 DESCRIPTION
8400
Wall-mounted
holder

8400 7
ENGLISH ENGLISH
2.3 Available versions
Order code of the wall-mounted 8032 controller: 448862
2.4 Accessories
Order code table for the accessories
Order codes
M12 female connector, 5 pins, to be wired 917116
M12 female connector, 5 pins, moulded on a shielded cable (2 m) 438680
M12 male connector, 4 pins, to be wired 448856
M12 male connector, 4 pins, moulded on a shielded cable (2 m) 448857

ENGLISH ENGLISH
Wall-mounted Temperature Controller
3 TECHNICAL DATA
General features
Measuring range -40° C...+125° C (-40° F…+257° F)
Switching accuracy ±0.5° C (0...80° C)
±1° F (+32° F…+176° F)
±1.5° C (outside 0...80° C)
±2.5° F (outside +32° F…+176° F)
Repeatability 0.4%
Electrical features
Installation class
(overvoltage class) 2
Power supply 12-30 VDC
Insulating strength 2300 VAC
Max current consumption 750 mA (with load); 50 mA (without load)
Protection against
polarity reversal yes
Transistor output NPN and PNP, max. 700 mA
NPN output: max. 30 VDC
PNP output: controller supply voltage
Protection against
short-circuits yes for the transistor output
Type of cable recommended - power supply: shielded, wire section between 0.14 and 0.5 mm2
- connection of the remote Pt100 sensor: max. length 10 m, max. wire section 0.5 mm2 ,
wire resistance < 2 Ωat ambient temperature

8400 9
ENGLISH ENGLISH
Electrical connection
NPN/PNP version M12 female connector, 5 pins (not supplied) and M12 male connector, 4 pins (not supplied)
Housing
Housing material polycarbonate +20% of fiber glass
Front plate polyester
Wall-mounted holder PVC
Environment
Ambient temperature 0 to +60° C (+32° F to +140° F)
Relative humidity < 80%
Dimensions (mm)
54.2
62
12
80
13.5
M12, 4 pins
M12, 5 pins

ENGLISH ENGLISH
Wall-mounted Temperature Controller
4.1 General recommendations
Always check the chemical compatibility of the materials the controller
is made of with the products it may be in contact with, for instance:
alcohols, strong or concentrated acids, aldehydes, bases, esters,
aliphatics, aromatics, ketones, aromatics or halogenated hydrocarbons,
oxidizing agents and chlorinated products.
For more information, please contact your Bürkert sales office.
4.2 Mounting
- Select the location of the holder on a wall, then drill 4 holes by
respecting the hole-to-hole distances indicated on the opposite
schematic and mount the holder using 4 screws.
- Insert the controller in the holder as shown in the figure below.
4 INSTALLATION
8400 1
2
3
40 mm
30,5 mm
12 mm
3 mm
ø 7,4 mm
ø 4,7 mm

8400 11
ENGLISH ENGLISH
4.3 Electrical connection
Always ensure the power supply is switched off before working on the
device. All the connectors must be plugged out. Use:
- a shielded cable with an operating temperature > +80° C (+176° F).
- a high quality voltage supply (filtered and stable).
Install the following security devices for the power supply: a 1-A
fuse and an interrupter.
4.3.1 Connectors
12
5-pin M12 female connector (order code: 917116, not supplied) or 4-pin
M12 male connector (order code: 448856, not supplied)
- Loosen threaded ring [1]
- Remove part [2] from the connector.
- Wire according to pin assignment (see 4.3.2)
12

ENGLISH ENGLISH
Wall-mounted Temperature Controller
4 INSTALLATION
4.3.2 Wiring of the controller M12 fixed connectors
8400
NPN
PNP
+
-
0 V
V+
Pt100
GND
Receiver +
Power supply
(PLC for ex.)
Load
NPN Output
Measure
Compensation
Load
PNP Output
Pt100
Receiver +
Power supply
(PLC for ex.)
Wall-mounted 8400 Plastic M12, 5-pin male
fixed connector
Metallic M12, 4-pin
female fixed connector

8400 13
ENGLISH ENGLISH
Not connected
43
12
0 VDC
V+
(12-30 VDC)
(*)
Pin Wire colour
1 brown
2 white
3blue
4 black
5grey
M12 cable available as an option
(reference 438 680);
Correspondence between the
connector pin numbers and the
wire colours:
Wiring of the plastic 5-pin
M12 fixed connector
PNP transistor output
NPN transistor output
(*) Functional earth
34
21
GND
Compensation
Measure
Wiring of the metallic 4-pin
M12 fixed connector
Pin Wire colour
1 brown
2 white
3blue
4 black
M12 cable available as an option
(reference 448857);
Correspondence between the
connector pin numbers and the
wire colours:

ENGLISH ENGLISH
Wall-mounted Temperature Controller
5 PROGRAMMING
5.1 General recommendations
Keep in mind that the process may be influenced by all the parameter
settings you make. Fill-in the table on page 20 with your settings of the
controller 8400.
5.2 Functionalities
The device has three operating modes :
Normal Mode
Display of the measured temperature and the switching thresholds
programmed. From the Normal mode, you can access the Calibration
and Simulation modes.
Calibration Mode
Access to the programming of all the parameters (unit, output, filter, bargraph,
temperature adjustment). From the Calibration Mode, you can go back to the
Normal Mode.
Simulation Mode
Entering a theoretical temperature value to test the configuration
programmed in the Calibration Mode. From the Simulation Mode, you
can go back to the Normal Mode.

8400 15
ENGLISH ENGLISH
5.3 Programming keys
To display the measured value and the
configuration (8 characters:
4 numeric et 4 alphanumeric charact.)
To modify the digit value (0…9) ;
To go back to the previous function. To select the character;
To go to the next function.
To validate a function;
To validate the entered data.
To indicate the status of the
switching output (red LED)
5.4 Default Configuration
At the first powering up, the configuration of the controller 8400 is as follows:
Temperature unit: °C
Output: hysteresis, inverted
OLO: 130 °C (+266 °F)
OHI: 130 °C (+266 °F)
DEL: 0 s
Filter: 2
BGLO: 0 °C (+32 °F)
BGHI: 100 °C (+212 °F) not yet available
Temperature adjust. 000.0
Extension board: not used ]

ENGLISH ENGLISH
Wall-mounted Temperature Controller
+
> 5 s
+
> 5 s
3
1
++
> 5 s
ENTER
ENTER
0......9
0......9
ENTER
0......9
2
5 PROGRAMMING
5.5 Normal Mode
Press the keys
simultaneously
(see p. 18-19:
Calibration
Mode)
(see p. 21:
Simulation
Mode)
010.9
°C
050.5
O HI
015.5
O LO
Display of the measured
temperature.
N.B.: When the units flash,
the min. or max. value of the
authorized range has been
exceeded.
To display the high threshold
value (O HI).
To display the low threshold
value (O LO).
To go back to the
previous function.
To go to the next function.

8400 17
ENGLISH ENGLISH
OLO OHI
OLO OHI
OLO OHI OLO OHI
2 s
OHI
OLO
2 s 2 s
DEL = 0 s
DEL = 2 s
DEL = 0 s
DEL = 2 s
5.6 Possible switching modes of the 8400
Hysteresis Mode
The change of state occurs when a threshold is
detected (increasing temperature: high threshold
(OHI) to be detected, decreasing temperature: low
threshold (OLO) to be detected).
Window Mode
The change of state occurs when any
threshold is detected.
The delay (DEL) is set for the both switching
thresholds. The switching only occurs when
either threshold value (OHI - OLO) is exceeded
for a duration higher than the DEL delay.
Contact Contact
T° T°
Not inverted
Not inverted
Inverted
InvertedContact Contact
T° T°
T°
Hysteresis Mode
Window Mode
Not inverted
Not inverted
Inverted
Inverted
Not inverted
Not inverted
Inverted
Inverted
Time
Switching examples of the 8400 depending on
the temperature and the switching mode chosen

ENGLISH ENGLISH
Wall-mounted Temperature Controller
050.5
0 HI
OUT
OHI>
OLO
0......9
9
FILT
°C
∞F
mode
mode
2
015.0
0 LO
NO
INV
92
DEL
YES
INV
ENTER
ENTER
ENTER
ENTER
ENTER
0......9
0......9
ENTER
ENTER
0......9 0......9 0......9
ENTERENTER ENTER
0......9
ENTER
ENTER ENTER
FILT
0......9
*
*
* To enter a negative value, select the character at the
left hand side of the display and press
until the minus sign appears.
0......9
If you change the temperature unit,
change the switching threshold values,
too.
5 PROGRAMMING
To change the temperature
unit (°C or °F).
5.7 Calibration Mode
To go back to the
previous function.
To go to the next function.
To choose :
- the switching mode of the
output (Hysteresis or
Window, see p. 17)
- the low (O LO) and high
(O HI) switching thresholds
- whether the switching
mode is inverted or not
(INV, see p. 17)
- the delay before switching
(DEL, in seconds).
To choose the filtering level
(FILT) of the temperature
displayed ONLY ; «0» means
«all the temperature variations
are displayed», «9» smoothes
the displayed (only)
temperature changes at the
most.

8400 19
ENGLISH ENGLISH
100.0
END
ENTER
1
BRGR 030.0
BG LO
ENTER
BG HI
0......9
ENTER
0......9
ENTER
T∞000.5
∞C
ENTER
0......9
ENTER
NO
EXT
ENTER ENTER
EXT
*
*
*
0......9
To define the min. (BG LO)
and max. (BG HI) values of
the bargraph at the bottom of
the display.
Function EXT is not
used.
To adjust the temperature
(T°) in relation to the process.
* To enter a negative value, select the character at
the left hand side of the display and press
until the minus sign appears.
To return (END) to the
display of the temperature in
the Normal mode.
not yet available

ENGLISH ENGLISH
Wall-mounted Temperature Controller
5 PROGRAMMING
Configuration of the 8400 controller : complete with the values programmed within the Calibration
mode.
Unit Mode Thresholds Inverted Delay Filter Bargraph T°-adjust. Date Signature
UNIT Hyst. Win. O LO O HI Yes No DEL (s) FILT BG LO BG HI T°
Hysteresis mode:
Window mode:
OLO OHI
OLO OHI