YASKAWA iQpump1000 Installation & Start?Up Manual page 37

Type No.
MD N.O.
ME N.C. Output
MF Common (Speed agree)
Multi-Function
Digital Output M1
Multi-function digital output (During frequency output)
<1>
M2
M3
Multi-function digital output (Through mode)
M4
FM Analog monitor output 1 (Output frequency)
Monitor Output AM Analog monitor output 2 (Output current)
AC Monitor common
<1> Refrain from assigning functions to digital relay outputs that involve frequent switching, as doing so may shorten relay performance life. Switching
life is estimated at 200,000 times (assumes 1 A, resistive load).
n Serial Communication Terminals
Type No.
R+
R-
MEMOBUS/Modbus
S+
<1>
Communication
S-
IG
<1> Enable the termination resistor in the last drive in a MEMOBUS/Modbus network by setting DIP switch S2 to the ON position. Refer to the manual
section on Control I/O Connections for more information.
u
Terminal Configuration
The control circuit terminals are arranged as shown in
YASKAWA TOEP YAIP1W 02E YASKAWA AC Drive - iQpump1000 Installation & Start-up Guide
Terminal Name (Function)
Table i.9 Control Circuit Terminals: Serial Communications
Signal Name
Communications input (+)
Communications input (-)
Communications output (+)
Communications output (-)
Shield ground
E(G) IG R+ R- S+ S-
M1 M2 M3 M4
MD ME MF
V+ AC A1 A2 A3 FM AM AC RP AC 24V
S1 S2 S3 S4 S5 S6 S7 S8 SN SC SP MA MB MC
Figure i.20 Control Circuit Terminal Arrangement
Function (Signal Level) Default Setting
30 Vdc, 10 mA to 1 A; 250 Vac, 10 mA to 1 A
Minimum load: 5 Vdc, 10 mA
30 Vdc, 10 mA to 1 A; 250 Vac, 10 mA to 1 A
Minimum load: 5 Vdc, 10 mA
-10 to +10 Vdc, or 0 to +10 Vdc
0 V
MEMOBUS/Modbus communication: Use an
RS-422 or RS-485 cable to connect the drive.
0 V
Figure i.20.
E(G) IG R+ R- S+ S-
V+ AC A1 A2 A3 FM AM AC RP AC
S1 S2 S3 S4 S5 S6 S7 S8 SN SC SP
i.4 Electrical Installation
Function (Signal Level)
RS-422/RS-485
MEMOBUS/Modbus
communication
protocol
115.2 kbps (max.)
M1 M2 M3 M4
MD ME MF
24V
MA MB MC
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