Table i.21 Analog Input Settings for Frequency Reference Using a Current Signal
Terminal
Signal
Level
Parameter Settings
Notes
Signal Level
Selection
Function
Selection
Gain Bias
A2
4 to 20 mA H3-09 = 2
H3-10 = 0
(Frequency Bias)
H3-11 H3-12
Make sure to set jumper S1 on the
terminal board to “I” for current
input.
0 to 20 mA H3-09 = 3
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 i.29 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
54 to see the connection diagram using a PC to provide the auto setpoint reference to the drive.
RS-485 Communication Connection
Modbus RTU Communications
RS-422/RS-485
19.2 Kbps
Terminating
Resistor
120
Ω
S2
Figure i.30 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.
i.5 Start-Up Programming and Operation
54
YASKAWA TOEP YAIP1W 02E YASKAWA AC Drive - iQpump1000 Installation & Start-up Guide
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