Dc Analog Inputs - GE D25 User Manual

GE Grid Solutions

DC Analog Inputs

• All DC Analog Card options are available with 16 inputs.
DC Analog
Inputs
• The inputs may be voltage or current.
• With the exception of the 517-0478 and 517-0479 cards that use adapter
modules, there are no on-board option jumpers; each option requires a different
card.
All inputs should have shield connected at source of signal. Shields can
!
alternately be connected to the auxiliary ground on D25 power supply
terminal block. DO NOT ground at both ends of cable.
Shielding
Table of typical digital counts stored in the D25 System Point Database
Table: Digital
Counts
representing inputs at several input levels, and scaling settings, for each DC
Analog board option:
± 5V
± 1 mA
± 5 mA
± 10 mA
± 20 mA
@ 83.333% Scaling
@ 100% Scaling
@ 200% Scaling
GE Information
10% 25% 50%
.5V 1.25V 2.5V
.1 mA .25 mA .5 mA
.5 mA 1.25 mA 2.5 mA
1 mA 2.5 mA 5 mA
2 mA 4 mA 10 mA
2731 6826 13653
3277 8192 16383
6553 16383 32767
994-0081-3.00-21
User's Manual
75% Nom 120%
3.75V 5V
.75 mA 1 mA 1.2 mA
3.75 mA 5 mA 6 mA
7.5 mA 10 mA 12 mA
15 mA 20 mA 24 mA
20479 27306 32767
24575 32767 >32767
>32767 >32767 >32767
D25
6V
65