Page 222 - Bürkert

Software functions (depending on the device configuration chosen)
Other software functions on Type 8635
Optional built-in process controller (PID) • Calibration of the setpoint input and display
Automatic parametrization of the process controller • Configuration of the analog input
Setting of the parameters of the process controller • Configuration of the binary input and binary outputs
8635
Other electrical data
Permissible maxima as
per Certificate of Conformity
Function values
Power Supply U 10.2 V Ui 30 V
I 4 mA Ii 100 mA
Pi 1 W
Process value input Burden 10 Ω Ui 30 V
(only for version with
process controller) Burden voltage U < 200 mV Ii 100 mA
Ci 14.3 nF
Pi 1 W
Binary input make/break contact - Co 5.5 µF
(conf.)
Lo 1000 mH
Analog feedback U 12 ... 30 V Uo 30 V
(Option)
I 4 ... 20 mA Io 100 mA
Po 1 W
Limit switches U 8 V Uo 15.5 V
(Option)
(NAMUR switches) I uncoated 3 mA Io 52 mA
I coated 1 mA Po 150 mA

Recommendations for isolation transformers/DC transformers input 4-20 mA/output 4-20 mA
Company Model Burden Ex active/passive
Pepperl+Fuchs KFD2-CD-Ex1.32 850 Ω x A
Foxboro Eckardt TV228-S-EGX 700 Ω x A
Foxboro Eckardt MT228-S-EGX 750 Ω x A
Foxboro Eckardt II949-S1 ZZZ 750 Ω - A
Steel 9318/16-22-10 700 Ω x A
Steel M318/12-11-00 1000 Ω x A
PhoenixContact PI/EX-ID-I/I 800 Ω x A
• Data given without guarantee of accuracy.
• For dimensioning and operation of intrinsically safe circuits, the user/owner is responsible.

Software functions (depending on the device configuration chosen)

Type 8635
• Automatic commissioning of control system • Direction of action of the controller setpoint
• Parametrization of the positioner • Signal range splitting (split range up to 4 times)
• Automatic or manual entry of characteristic curve for correction of • Setting of direction of movement
operating characteristic • Defintion of a safety position
• Setting of the tight-closure or maximum stroke threshold • Calibaration of input and display
• Stroke limitation • Configuration of binary input
• Limitation of positioning speed • Code protection for settings/operation
• Dead band • RESET of factory settings

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