Drive
A1 Analog Input 1
0 or 4 to 20 mA
AC Analog input common
+V 10.5 V, 20 mA power supply
A2 Analog Input 2
A3 Analog Input 3
Jumper S1
A1/A2/A3
Voltage/Current
Selection
V
I
A1 A2 A3
Figure 4.17 Setting the Frequency Reference as a Current Signal to Terminal A2
Switching between Main/Auxiliary Frequency References
The frequency reference input can be switched between the analog terminals A1, A2, and A3 using multi-speed inputs. To
use several speed references for a multi-step speed sequence, set the H1-
oo
parameters to 3, 4, 5, and 32. To assign the Jog
reference to a digital input, set H1-
oo
to 6.
Setting 2: Serial Communications
This setting requires entering the frequency reference via the RS-485/422 serial communications port (control terminals R+,
R-, S+, S-).
To setup the drive to receive the “Auto Setpoint” from serial communication, set b1-01 to “2: Serial Com,” and connect the
RS-422/RS-485 serial communications cable to terminals R+, R-, S+, and S- on the control I/O terminal block. Refer to
to see the connection diagram using a PC to provide the auto setpoint reference to the drive.
Figure 5.4
RS-485 Communication Connection
Modbus RTU Communications
RS-422/RS-485
19.2 Kbps
Terminating
Resistor
Figure 4.18 PC or PLC Connection Diagram
Setting 3: Option card
This setting requires entering the frequency reference via an option board plugged into connector CN5-A on the drive control
board. Consult the option board manual for instructions on integrating the drive with the communication system.
Note:
If the frequency reference source is set for Option PCB (b1-01 = 3), but an option board is not installed, an oPE05 Operator Programming
Error will be displayed on the digital operator and the drive will not run.
To setup the drive to receive the “Auto Setpoint” for a network communication option card, set b1-01 to “3: Option PCB”,
and plug a supported communication option card into the drive control PCB. Consult the manual supplied with the option for
instructions on integrating the drive into the network system.
Refer to Option Installation on page 256
for a list of available drive network communication options.
4.7 Basic U1000 iQpump Setup and Application Preset Parameters
YASKAWA TOEPYAIUPW01A YASKAWA AC Drive - U1000 iQpump Matrix Drive User Manual
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4
Start-Up Programming & Operation
