Peekel Instruments User manual PICAS V2.6.1
Page 35 of 59
3.5.2 System-menu: Communication
With this menu you can set-up the various parameters for communication between 2 or
more PICAS instruments via the RS-485 port and/or using a PC, which is connected via the
RS-232 connection.
DEVICE 1
SYSTEM
Controls and Functions
RS-232 Speed selectable (4800,9600, 19200, 38400)
RS-485 Speed selectable (9600, 19200, 38400)
Device nr 2 editable (00000000...99999999)
Device nr 3 editable (00000000...99999999)
Device nr 4 editable (00000000...99999999)
Configure <execute>
Functional Description
In the first and second line you can select the Baudrate with which to communicate with the
external device(s). (It shall be noticed that the other device(s) are set to the same
Baudrate).
The device from which you can communicate with the other(s) is always device number 1.
Device 1 thus is the Master on the RS-485 bus.
For Devices numbered 2, 3, 4, the serial numbers can be entered. Serial numbers can be
found at the labelsticker but are also fixed in the firmware and can be read in System Menu
1 “General”
With the cursor at configure and pressing ENTER, device number 1 sends a broadcast
over the bus, informing the devices with the respective serial numbers that from then on
they are named Device 2, 3, and so on.
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