Terminal Configuration - YASKAWA L1000A Technical Manual

3.8 Control Circuit Wiring
Serial Communication Terminals
■
Type No.
R+
R-
MEMOBUS/Modbus
Communication S+
<1>
S-
IG
<1> Enable the termination resistor in the last drive in a MEMOBUS network by setting DIP switch S2 to the ON position. For more information on
the termination resistor, refer to

◆ Terminal Configuration

Control circuit terminals are arranged as shown in
Figure 3.19
80
Table 3.8 Control Circuit Terminals: Serial Communications
Signal Name
Communications input (+)
Communications input (-)
Communications output (+)
Communications output (-)
Shield ground
Control I/O Configuration on page
E
D
C
A – Terminal Block (TB 2)
B – Terminal Block (TB 5)
C – Terminal Block (TB 1)
Figure 3.20 Control Circuit Terminal Arrangement
MEMOBUS/Modbus communication: Use an RS-485 or
RS-422 cable to connect the drive.
0 V
84.
Figure 3.20.
E(G) HC H1 H2 DM+ DM- IG R+
V+ AC V- A1 A2 FM AM AC P1 C1
S1 S2 S3 S4 S5 S6
D – Terminal Block (TB 3)
E – Terminal Block (TB 4)
YASKAWA ELECTRIC SIEP C710616 38F YASKAWA AC Drive - L1000A Technical Manual
Function (Signal Level)
YEA_common
R- S+ S-
P2 C2
M1 M2 M5
S7 S8 SN SC SP
RS-485/422
MEMOBUS/Modbus
communication protocol
115.2 kbps (max.)
A B
M3 M4 M6
MA MB MC