Rockwell Automation 1397-L11 I/O Expansion Card - Manual (Page 11)

1397 – 5.19 August, 2000
1397 I/O Expansion Card 11
Setup
(continued)
Frequency Input Setting
To configure the I/O Expansion Card’s single unipolar frequency
input, only parameters
1 must be set. The frequency input signal is
read every 20mS.
Parameter No. Parameter Name Terminal Nos.
P.011 Frequency In 39, 40 and 41
P.138 Freq In Zero
P.137 Freq In Scale
38
39 40
41
42
44
50
51
52
43
J5
Freq In A
Com Freq In A
Frequency Output Setting
To configure the I/O Expansion Card’s single unipolar frequency
output, only parameters
1 must be set. The output signal is unfiltered
and read every 20mS. The full scale value is based on their selected
parameter group — Load, Speed, Voltage, Power, Field or other.
Parameter No. Parameter Name Terminal Nos.
P.160 Freq Out SRC 42, 43 and 44
P.161 Freq Out Zero
P.159 Freq Out Scale
38
39 40
41
42
44
50
51
52
43
J5
Freq Out A
Com
Freq Out A
5 Wiring an external supply for 4-20mA output.
Shield to
Chassis
Ground Stud
I/O
TB J6
Load
(1.3k Ω Max.)
External Voltage
(+32V DC Max.)
+
–
54 Anlg Out 3 +
55 Anlg Out 3 –
4-20mA Output
1 For a detailed description of these Frequency I/O Parameters, refer to the parameter descriptions
in the 1397 User manual.