Allen-Bradley PowerFlex 70 User Manual page 26

1-14 Installation/Wiring
I/O Wiring Examples
Input/Output Connection Example
(1)
Potentiometer [Speed Ref A Sel] = "Analog In 1"
10k Ohm Pot. Potentiometer
Recommended
(2k Ohm minimum)
(1)
Joystick
±10V Input -
100k ohm input
impedance
Analog Input Bipolar
Bipolar:
±10V
Unipolar:
0 to +10V, 100k
ohm impedance
4-20 mA, 100 ohm
impedance
Analog/Digital Analog Output
Output
0 to +10V Output -
Can drive a 2k
Ohm load (25 mA
short circuit current
limit)
(2)
2 Wire Control - 24V DC Input
Non-Reversing
Requires 2-wire
functions only
([Digital In1 Sel]).
Using 3-wire selec-
tions will cause a
type 2 alarm (page
4-7).
3 Wire Control 24V DC Input
Requires 3-wire
functions only
([Digital In1 Sel]).
Using 2-wire selec-
tions will cause a
type 2 alarm (page
4-7).
(1)
Refer to the Attention statement on
(2)
Important: Programming inputs for 2 wire control deactivates all HIM Start buttons.
(3)
Examples show hardware wiring only. Refer to pages
adjusted.
(4)
If desired, a User Supplied 24V DC power source can be used. Refer to the "External" example.
(3)
10
(1)
Unipolar (Voltage)
Common
–
18
+
19
+ –
(4)
: [Digital In1 Sel] = "Run"
Internal Supply
2
Stop-Run
7
8
9
(4)
: [Digital In1 Sel] = "Stop – CF", [Digital In2 Sel] = "Start"
Internal Supply
1
Stop
2
Start
7
8
9
page 1-10
Joystick
14
15
22
-10V
Power Source
Unipolar (Current)
Common
18
+
19
Digital N.O. / N.C. Output
See page
3-36.
or
22
23
Power
Source
External Supply
Stop-Run
+24V Common
External Supply
Stop
Start
+24V Common
for important bipolar wiring information.
1-13 and 1-14
18
19
22
Com +10V
20
+
21
11
12
13
24
25
26
2
8
1
2
8
for parameters that must be
090
to
095
320
to
327
361
to
366
341
to
344
380
to
387
361
to
366