JULABO FW95-SL Ultra-Low Refrigerated Circulators - Manual (Page 49)

HL, SL
49
9.4.1. Remote control via the serial interface
Factory setting: off Setpoint is set via the serial RS232/RS485 interface through a PC or
superordinated data system.
In the header of the VFD COMFORT-DISPLAY, an “
R
” illuminates. It
indicates that remote control mode is active.
 The selected setting is shown on the LCD DIALOG-DISPLAY.
SERIAL
IMPORTANT: additional measures for remote control

RS232 or RS485:
First set >type< of interface in the MAIN MENU > Interface serial < the
switch >Remote< to >on<.

Connect the circulator to the PC using an interface cable.

Check the interface parameters of both interfaces (circulator and PC)
and make sure they match.
(See 12.1.
Setup for remote control page 85)
9.4.2. Keypad control or setpoint setting via the analog input
Factory setting: off
The selected mode is
indicated on standard
display.
In addition to the serial interface via remote control the circulator offers
the possibility to adjust the setpoint via analog interface >ext. Pt100< or
>REG+E-PROG<.
Possible parameters:
off - Setpoint is set via the keypad or via the integrated programmer.
(factory setting
Pt100 - Setpoint setting via the analog socket „ext. Pt100“ using an
external temperature sensor or an appropriate voltage/current source.
Eprog - Can only be adjusted when an electronic module with analog
connections is used (option).
Setpoint setting via the analog interface REG+E-PROG connection
with an external voltage or current source or a programmer.
Important:

Connect the external voltage or current source or a programmer to
the circulator via the socket REG+E-PROG (see page 75).
In the menu >MENU Inputs/Outputs< set the parameter >Erog-
INPUT< and the input variables >Eprog-signal< (see page 75).

The E-Prog input can only be used either under menu item
>Setpoint ext < or under menu item >ActVar<