Xycom XVME 590 Manual page 31

XVh4&500/590 Manual
February, 1988
Gain Selected
x l
x 1 0
xl00
xl000
2.6.4.3 Resistor-Programmable Gains (version 1 only)
The resistor-programmable gains option increases the versatility of the XVME-
500/590-l. In order to utilize these gains, it is necessary to install:
A fixed-value resistor (value determined by equation following)
1)
A potentiometer (for fine adjustment of the gain), and
2)
3)
A cut on the printed circuit board.
Installing Resistors To Modify Fixed Gain
Remove power from the module.
1)
Remove module from the cardcage.
2)
Locate the circuit trace in Figure 2-4.
3)
trace for the XVME-590/l).
Table 2-9. Jumpers Selecting Fixed Gains
Jumper
None
J9
J8
J6
Installed
.
(Procedure)
Figure 2-4A shows the circuit
2-15
Jumpers Removed
J6, J7, J8, J9
J6, J7, J8
J6, J7, J9
J7, J8, J9