YASKAWA P1000 Quick Start Manual page 67

Output Terminals
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Table 3.8 lists the output terminals on the drive. Text in parenthesis indicates the default setting for each multi-function output.
Type No.
MA N.O.
Fault Relay
MB N.C. output
Output
MC Fault output common
MD N.O.
ME N.C. Output
MF Common (Speed agree)
Multi-Function
Digital Output M1
Multi-function digital output (During run)
<1>
M2
M3
Multi-function digital output (Zero speed)
M4
FM Analog monitor output 1 (Output frequency)
Monitor
AM Analog monitor output 2 (Output current)
Output
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).
Connect a suppression diode as shown in
is greater than the circuit voltage.
A – External power, 48 V max.
B – Suppression diode
Serial Communication Terminals
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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.
YASKAWA ELECTRIC TOEP YAIP1U 01B YASKAWA AC Drive - P1000 Quick Start Guide
Table 3.8 Control Circuit Output Terminals
Terminal Name (Function)
Figure 3.26 when driving a reactive load such as a relay coil. Ensure the diode rating
A
Figure 3.26 Connecting a Suppression Diode
Table 3.9 Control Circuit Terminals: Serial Communications
Signal Name
Communications input (+)
Communications input (-)
Communications output (+)
Communications output (-)
Shield ground
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
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
B
C
D
C – Coil
D – 50 mA or less
Function (Signal Level)
MEMOBUS/Modbus communication: Use an
RS-422 or RS-485 cable to connect the drive.
3.7 Control Circuit Wiring
Page
108
108
208
RS-422/RS-485
MEMOBUS/Modbus
communication
protocol
115.2 kbps (max.)
0 V
–
3
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