Burkert Type 8625 - Handbuch (Seite 5)

Connection configuration of the temp
controller 8625
Fig.: Connection configuration 8625
PE
Valve output
not used
GN
24
24
Te
PT
PT
(0
GN
St
inp
PE
Do not connect any voltages to Terminal 3
Terminal 3 is a 0.5 mA output for supplyin
(PT 100).
Connection configuration of the
flow pressure controller 8624
Fig.: Connection configuration 8624
PE
Valve output
not used
_ GN
_
24
_ 24
_ GN
_
Pre
inp
GN
Sta
inp
PE
Do not connect any voltages to Terminal 5
Terminal 5 is a 24 V output for supplying t
(e.g., 2-wire transmitter).
Connection configuration of the
flow controller 8623
Technical Data 8625
Inputs
Sensor inputs
PT 100
Temperature range -100 °C to +500 °C 1) / -148 °F to 932 °F
Scaling 50° steps Resolution 0,3 °C 1) bzw. 0,54 °F
Accuracy 1 °C 1) bzw. 1,8 °F
Scaling 100° steps Resolution 0.5 °C 1) bzw. 0.9 °F
Accuracy 1.5 °C 1) bzw. 2.7 °F
External set-value input Standard signal input 4 - 20 mA
Connection in unit: 7-pole terminal + PE;
wire cross-section max. 0.5 mm
2
PG 9 fitting; cable ø 6 - 7 mm
Controller
Control algorithm
PI-Controller
Sampling time T
A
50 ms
Amplification factor K
P
0 - 99.99
ntegral action time T
N
0.1 - 199.99 s
22 Temperature range
Scaling of the standard signal
Heating or cooling
Device Order No. 134 074 M
Control unit type 8625-B (temperature) Order no. 134 054 R
Technical data 8624
Inputs
Signal inputs
2 standard signal inputs 4 - 20 mA
Accuracy ± 1 % of full scale
Connection in unit: 7-pole terminal + PE;
wire cross-section max. 0.5 mm
2
PG 9 fitting; cable ø 6 - 7 mm
Controller Control algorithm PI-Controller
Sampling time T
A
30 ms
Amplification factor K
P
0 - 99.99
Integral action time T
N
0.1 - 199.99 s
K-faktor 1 and 2 0.0 - 1999.9
Ratio 0.01 - 9.99
Calibration 0 - 199.99
Device Order No. 134 073 L (4-20 mA)
Device Order No. 140 317 F (0-10 V)
Control unit type 8624-B (pressure) Order No. 134 053 Q
Technical data 8623
General technical data
for controllers 8623, 8624 and 8625
Operating voltage 24 V DC
Power consumption max. 1.5 W
Output current max. 1.0 A
Operating temperature -10 ... +60 °C / 14 °F ... 140 °F
Interference resistance to EN 50082-2
Interference emmission to EN 50081-2
Output
Cable outlet
can be turned in 90° steps
Number of terminals 2 poles and earth
Type of contact Surface contact, similar to a flat plug
(DIN 46 247/48)
Housing
Degree of protection
IP 65
Material polyamide
Mounting M3 x 45 mm cheesehead screws
Dimensions / Weight 32 x 90 x 41.5 mm / approx. 50 g
Inputs
Signal inputs
2 frequency inputs 2 to 625 Hz
Accuracy ± 1 %
Type of signal sine, square, triangle ( ≥ 300 mV
ss
)
1 Standard signal input 4 - 20 mA
Connection in unit: 7-pole terminal + PE;
wire cross-section max. 0.5 mm
2
PG 9 fitting; cable ø 6 - 7 mm
Controller
Control algorithm PI-Controller
Sampling time T
A
40 ms
Amplification factor K
P
0 - 99.99
integral action time T
N
0.1 - 199.99 s
K-factors 1 and 2 0.0 - 1999.9
Ratio 0.01 - 9.99
Calibration 0 - 199.99
Device Order No. 134 072 K
Control unit type 8623-B (flow) Order No. 134 052 P
Interference with the device is only allowed by specialist
personnel using suitable tools! Before interfering with the
controller, always switch off the voltage!
Commissioning
➔ ➔ ➔ ➔ ➔ Connect the calble.
(see Figs. under Connection Configuration)
➔ ➔ ➔ ➔ ➔ Put on the lid of the control unit.
➔
➔ ➔ ➔ ➔ Plug the controller (flow, pressure or temperature) onto the
valve.
➔ ➔ ➔ ➔ ➔ Screw the controller tight.
When screwing the controller to the proportional valve,
ensure that the seal is properly seated!
1) Calibrated with 1 m
line length and
0.5 mm
2 pipe cross-
section
Fig.: Connection configuration 8623
PE Valve output
not used
_ GND
_ 24 V DC
_
24 V DC output
_ Frequency input 1
_ GND
_
Frequency input 2
_ Standard signal
input 4 - 20 mA PE
Do not connect any voltages to Terminal 5!
Terminal 5 is a 24 V output for supplying the flow sensor
(e.g.,Type 8020 with Hall sensor).
reas and function
TECHNICAL DATA TECHNICAL DATA INSTALLATION / COMMISSIONING INSTALLATION / COMMISSIONING
t to make technical changes without notice.
niature controllers, in combination with
ves, serves to control
piping (Flow rate controller 8623)
uids and (Pressure controller 8624)
ature of (Temperature controller 8625)
oportional valves
023, 6223, 2832, 2834
h adjustable PI control behaviour
ion on the valve, thanks to compact design of
on of a proportional valve
fication via standard signal 4-20 mA
of flow rate by means of a flow rate sensor with
put (frequency proportional to flow rate)
ensors with frequency output of max. 625 Hz
and display control unit Type 8623-B
ontrol
of the pressure by means of a pressure
h standard output signal
and display control unit Typ 8624-B
of the temperature by means of a PT 100 sensor
ng
and display control unit Typ 8625-B