3.8 Control Circuit Wiring
80 YASKAWA ELECTRIC SIEP C710616 38F YASKAWA AC Drive - L1000A Technical Manual
■ Serial Communication Terminals
Table 3.8 Control Circuit Terminals: Serial Communications
◆ Terminal Configuration
Control circuit terminals are arranged as shown in Figure 3.20.
Figure 3. 19
Figure 3.20 Control Circuit Terminal Arrangement
Type
<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 Control I/O Configuration on page 84.
No. Signal Name Function (Signal Level)
MEMOBUS/Modbus
Communication
<1>
R+
Communications input (+)
MEMOBUS/Modbus communication: Use an RS-485 or
RS-422 cable to connect the drive.
RS-485/422
MEMOBUS/Modbus
communication protocol
115.2 kbps (max.)
R-
Communications input (-)
S+
Communications output (+)
S-
Communications output (-)
IG
Shield ground 0 V
A – Terminal Block (TB 2) D – Terminal Block (TB 3)
B – Terminal Block (TB 5) E – Terminal Block (TB 4)
C – Terminal Block (TB 1)
E(G) HC H1 H2
DM+ DM-
IG R+ R- S+ S-
S1 S2 S3 S4 S5 S6 S7 S8 SN SC SP
V+ AC V- A1
A2
FM AM AC P1 C1 C2P2
M3 M4 M6
MA MB MC
M1 M2 M5
E
D
C
A B
SIEP_C710616_38F_5_0.book 80 ページ ２０１５年１１月９日 月曜日 午後３時３６分
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