F870S
4 Operation
Page 19
Gönnheimer Elektronic GmbH
Tel.: +49 (6321) 49919-0
Fax: +49 (6321) 49919-41
4 Operation
The user has total control of the purging system F870S by the use the joystick on the con-
trol unit FS870S respectively by using the external operating panel BT871. Operation on
control unit FS870S panel BT871 is equal. Using the other operating panels only a restrict-
ed operation is possible.
4.1 Human
interface
4.1.1 Display
The built-in graphical display indicates operation modes, actual data of pressure or flow
rate, as well as malfunctions.
Beside the status side the user can switch to the info side using the joysticks right move.
Status side
Info side
Purging
P = 0,8 mbar, Fl = 4 l/s
Description to Info- side:
Row
Description
P = 2,0 mbar
Actual pressure inside Ex p cabinet
Q = 3,5 l/s T = 20°C
Flow rate through FS870S, air temperature
Valve: 34%
aperture rate of the input valve
U = 65V I = 162 mA
Voltage and current at input valve (SVP)
Throttle: 0,00
Opening rate of the output valve
Positive values : Throttle opens
Negative values: Throttle gets tighter
4.1.2 Joystick
See process information to your Ex p system using the joystick inside of the FS870S. Con-
firm settings by pressing this joystick.
4.1.3 Log file (show Log)
The FS870S logs every important information of the Ex p system into an internal log file.
The logs get a time stamp. With this information the user gets useful information if some-
thing works unexpected.
The log file is located in the operation menu.
P = 2,0 mbar
Q = 3,5 l/s T = 20°C
Valve: 34%
U = 65V I = 162 mA
Throttle: 0,00
Summary of Contents for F870S
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