Measurement Computing CB-7080 - Manual (Page 8)

CB-7080 & CB-7080D Counter/Timer User's Guide Application wiring
1-4
Application wiring
Output drive to SSR or other load
CB-7080 and CB-7080D
Ext. GND
Ext. 24V
RS-485 Data-
RS-485 Data- 7
6
5
4
3
8
2
1
9
10 GND
+VS
Data+
Data-
In0
D.Gnd
Gate0
Init*
12
11 Gate1-
Gate1+
143
15-
16
17
18
13
19
20
In1-
Do1/Hi
Do0/Lo
In0+
Gate1
In1
In1+
Gate0-
Gate0+
In0-
SSR AC
+VS
+VS
AC
R2
External Load
External Power
R1
1N4001
Figure 1-3. Output drive to SSR or other load
Note:
If the external load is resistive, the 1N4001 can be omitted. (transistor, lamp, resistor, etc.).
If the external load is inductive, the 1N4001 cannot be omitted. (relay coil, etc.).
Frequency Input
Use the $AABS command to select the isolated/non-isolated input.
Ext. GND
Ext. 24V
RS-485 Data+
RS-485 Data-
7
6
5
4
3
8
2
1
9
10 GND
+VS
Data+
Data-
In0
D.Gnd
Gate0
Init*
12
11 Gate1-
Gate1+
143
15-
16
17
18
13
19
20
In1-
Do1/Hi
Do0/Lo
In0+
Gate1
In1
In1+
Gate0-
Gate0+
In0-
CB-7080 & CB-7080D
Frequency 0
(isolated)
Frequency-1
(non- isolated)
Frequency-0
(non- isolated)
Frequency 1
(isolated)
Figure 1-4. Frequency input