5-68 Field Control Genius® Bus Interface Unit User’s Manual October 1999 GFK-0825F
5
Channel Active
S:4 CH 1
ACTIVE
< > tgl entr
When a channel is configured as Active, it is scanned for data and checked for errors. If a channel
should not be scanned, th at channel can be configured as in a ctive. An inactive input chan n el returns
the value 0.
1. If you want t o c h ange the displ a yed selection , press F3 (Tgl ).
2. Use the F4 (entr) key to save the selection.
3. Press F2 ( > ) to go to the next screen.
Units
Next, select the conver si on type for each RTD: tenths of deg r ees Fahrenheit, tenth s of degr ees
Celsius, or tenths of Ohms.
S:1 CH1 UNITS
DEG C
< > tgl entr
1. Press F3 (toggle) if you want to change the displayed type of units.
2. Use the F4 (enter) key to save the selections on this screen and go on to the next item.
Units' Ranges
The following table shows the ranges for the types of units configured on this screen. Notice that
Tenths of Ohm s units are unsi gn ed.
Units Selected Integer Ranges Engineering Units Ranges
(Tenths of) Degrees (F or C) -32767 to +32767 -3276.7deg. to +3276.7deg.
(Tenths of) Ohms 0 to 65535 0 Ohms to 6553.5 Ohms