Omron SYSDRIVE MX SERIES User Manual page 51

Functions of the Control Circuit Terminals
Terminal Terminal
Terminal name
function Symbol
S1
S2
Contact input
S3 Multi-function
(for switching
S4 input
function)
S5
S6
SC Input common
Power
Input power
supply
PSC
supply
Frequency
FS reference power
supply output
Frequency
reference input
FV
(Voltage
directive)
Frequency
External
reference input
FI
analog
(Current
frequency
directive)
reference
Frequency
FC reference
common
Monitor Multi-function
AM
output analog output
P1 Multi-function
P2 output
Open
collector
Multi-function
output
PC
output common
MA
Relay output
Relay
MB
contact
Relay output
output
MC
common
Function and connecting method
Select functions and allocate them to terminals S1 to S6.
(The figure below illustrates the wiring of the sink logic.)
SC
Input signal common
If the multi-function input terminal is set as the sink logic, the
PSC terminal acts as an external power supply input terminal.
If the multi-function input terminal is set as the source logic,
the PSC terminal acts as an internal power supply output
terminal.
• External voltage directive is 0 to 9.8 V. (Nominal input: 10 V)
FS FV FI FC
Variable resistor
(1/2 W min.)
1 to 2 kΩ
FS FV FI FC
+
4 to 19.6 mA DC
(Nominal input: 20 mA)
Input impedance 250 Ω
Note: When the multi-function input terminal has no allocation
of [16: AT], the frequency of total voltage and current
directive values will be output. When selecting and
using either the voltage or current, be sure to allocate
[16: AT] to the multi-function input terminal.
• Choose from frequency or output current.
Output terminal specifications
0 to 10 V DC full-scale
1 mA max.
PC
P1 P2
*1
P1
RY
Select 2 functions of the Inverter status and allocate them to
terminals P1 and P2.
*2
Selection of functions is the same as the multi-function output.
*3 *4
S6 S5 S4 S3 S2 S1
FS FV FI FC
+ –
0 to 9.8 V DC
(Nominal input: 10 V)
Input impedance 10 kΩ
–
Output terminal specifications
Open collector output
27 V DC max.
50 mA max.
2-3 Wiring
Wire size
Shield wire
of 0.14 to
2
0.75 mm
Recom-
mended
wire size:
2
0.75 mm
SC AM
2-26
2