Agilent Technologies 6634B

Installation - 3
29
FLT Output
INH Input
B
)
FLT Example with Multiple Units
FLT Output
INH Input
Switch
(
Normall
y
Open
)
INH Common
INH Input
A
)
INH Example with One Unit
+
-
+
FLT INH
....
FLT
INH
NOTE: Connectors
are removable
1234
1 2
3
4
1234
....
+
-
+
Figure 3-4. FLT/INH Examples
B) Digital Interface Circuits
A
)
Rela
y
Circuits
FLT INH
. . . .
NOTE: Connectors
are removable
+ - +
Digital Input
Port 2
Relay Driver
Ports 0, 1, 2
(contains internal
clamp diodes for
inductive flyback)
Digital Output
Ports 0, 1, 2
TTL, AS, CMOS, HC
+16.5V Max.
Coil Current
0.25A Max.
1 2 3 4
Figure 3-5. Digital I/O Examples