GE GFK-0825F - page 112

GFK-0825F Chapter 5 Station Configuration 5-45
5
Channel Active
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.
S:4 CH 1
ACTIVE
< > tgl entr
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.
Input Range
On this screen, specify th e range for the input. Ther e ar e four predetermined range an d da ta s ca ling
combinations (selections 1, 2, 3, and 4), plus custom scaling.
S:4 CH1 DEF RNG
1
< > tgl entr
The default is 1. Selections 1 or 2 will convert the full input current span down to 0 milliamps and
produce nega tive values bel ow 4 mA. Select ion 1 produces en gineering un it data in micr oAmps.
These also enable an "Open Wire" diagnostic bit which is true whenever the input falls below the
normal range.
Selection Input current (µA) = Data range
1 4000 to 20000 = 4000 to 20000
2 4000 to 20000 = 0 to 32000
3 0 t o 20000 = 0 to 32000
4 0 t o 24000 = 0 to 32000
(none) Configurable scaling (see below)