Section
3–7
MN1229
Control Signal Wiring
Continued
Command Input
The Analog Input at X3 pins 1, 2, and 3 can be wired for single ended or
differential input operation. Figure 3-4 shows these configurations.
Figure 3-4 Command Input Mode
X3
1
2
3
AGND
CMD (–)
CMD (+)
Differential Input
X3
1
2
3
AGND
CMD
Single Ended Input
1.
Determine if your application requires Single Ended Input (Step 2) or
Differential Input (Step 3) Command Signal wiring.
2.
For Single Ended Input wiring:
A.
Connect the CMD input wire to X3-1.
B.
Connect the command common (analog ground) wire to X3-3.
C.
Connect a jumper wire from X1-3 to X1-2.
3.
For Differential Input wiring:
D.
Connect the CMD (+) input wire to X3-1.
E.
Connect the CMD (–) input wire to X3-2.
F.
Connect the command common (analog ground) wire to X3-3.