Burkert Type 8624-2 - Handbuch (Seite 5)

Connection configuration of the flow
type 8623-2
M12, 4-pole
supply voltage
and standard
signal input
external setpoint
Changing the cable outlet direction
Fig.:
Changing the cable out
➔ ➔ ➔ ➔ ➔ Unscrew the 4 screw
the controller and re
carefully
➔ ➔ ➔ ➔ ➔ Remove the screw t
remove the plastic c
➔ ➔ ➔ ➔ ➔ Detach the plate fro
➔
➔ ➔ ➔ ➔ Pull out the cube do
replace in the desire
➔ ➔ ➔ ➔ ➔ Place the plate onto
(the pins must enga
guides.)
➔ ➔ ➔ ➔ ➔ Lay on the plastic cr
the screw through th
➔ ➔ ➔ ➔ ➔ Connect the controll
proportional valve.
Interference with the device is only allowed by specialist
personnel using suitable tools! Before interfering with the
controller, always switch off the voltage!
Connecting to the proportional valve
Fig.: Connecting the controller to the
proportional valve
➔ ➔ ➔ ➔ ➔ Unscrew the 4 screws on the front panel of themcontroller and
remove the cover carefully.
➔ ➔ ➔ ➔ ➔ Place the housing of the controller with the seal onto the valve.
➔
➔ ➔ ➔ ➔ Screw the required controller tightly to the valve.
On screwing the controller onto the proportional valve,
make sure the seal is correctly seated!
➔ ➔ ➔ ➔ ➔ Place the cover on the controller and screw it tight with the
4 screws.
Make sure the cover is placed on the right way round
(pinned strips must engage in the sockets.)
Technical data 8625-2
Inputs
Sensor input
PT 100
Temperatur range -50 °C ... +150 °C / -58 °F ... 302 °F
Resolution 0.25 °C or 0.45 °F 1)
Precision 1.5 °C or 2.7 °F 1)
1 setpoint input 4 - 20 mA / 0 - 10 V adjustable
Resolution
10 bit
Input impedance (4 - 20 mA) < 200 Ω
Input impedance (0 - 10 V) > 300 k Ω
Controller
Control algorithm
PI - control
Scan time T
A
50 ms
Amplification factor K
P
0.00 - 10.00 %/K
Reset time T
N
0.1 - 200.1 s
Scaling - 50 °C ... +150 °C or -58 °F ... 302 °F
Order no. 143571
1) Calibrated to 1 m conductor length and 0.5 mm 2 conductor
cross-section.
Technical data 8624-2
Inputs
Sensor input
4 - 20 mA / 0 - 10 V adjustable
Resolution
10 Bit
Input impedance (4 - 20 mA) < 200 Ω
Input impedance (0 - 10 V) > 300 k Ω
1 setpoint input 4 - 20 mA / 0 - 10 V adjustable
Resolution
10 Bit
Input impedance (4 - 20 mA) < 200 Ω
Input impedance (0 - 10 V) > 300 k Ω
Controller
Control algorithm
PI - control
Scan time T
A
27 ms
Amplification factor K
P
0.00 - 10.00
Reset time T
N
0.5 - 200.1 s
Scaling 0.000 - 9999
Order no. 143570
Technical data 8623-2
General technical data
for controllers 8623-2, 8624-2 and 8625-2
Operating voltage 24 V DC
Power consumption max. 0.3 W (without proportional valve)
Output current max. 1.0 A
(to valve)
Operating temperature
-10 ... +60 °C / 14 °F ... 140 °F
Interference resistance to EN 50082-2
Interference emmission to EN 50081-2
Output
PWM output
24 V - pulse width modulated
Housing
Cable outlet
rotatable in 90° steps
System of protection IP 65
Material polyamide
Dimension (B x H x T) 54 x 54 x 61 mm
Inputs
Sensor input
2 frequency inputs, 2 - 1000 Hz
Precision ± 1 %
Signal types sine, square, triangle ( ≥ 300 mV
ss
)
1 setpoint input 4 - 20 mA / 0 - 10 V adjustable
Resolution
10 Bit
Input impedance (4 - 20 mA) < 200
Input impedance (0 - 10 V) > 300 k Ω
Controller
Control algorithm
PI - control
Scan time T
A
45 ms
Amplification factor K
P
0.00 - 10.00 ‰/Hz
Reset time T
N
0.1 - 200.1 s
K-factors 1 and 2 0.0 - 6552
Ratio 0.00 - 10.00
Scaling 0.00 - 655.2
Filter software filter with PT1 behaviour
time constant = 8*T
A
Order no. 143569
reas and function
niature controllers, in combination with
ves, serves to control
piping (Flow rate controller 8623-2)
uids and (Pressure controller 8624-2)
ature of (Temperature controller 8625-2)
oportional valves
023, 6223, 2832, 2834
adjustable PI control behaviour
ion on the valve, thanks to compact design of
n of a proportional valve
fication via standard signal 4-20 mA / 0-10 V
of flow rate by means of a flow rate sensor with
put (frequency proportional to flow rate)
ensors with frequency output of max. 1000 Hz
ontrol
of the pressure by means of a pressure
h standard output signal
of the temperature by means of a PT 100 sensor
ng
TECHNICAL DATA TECHNICAL DATA INSTALLATION / COMMISSIONING INSTALLATION / COMMISSIONING
t to make technical changes without notice.