Instruction manual

3-16 4. n : 1 Connection (Multi-link)
4. n : 1 Connection
(Multi-link)
Multi-link
• One PLC is connected to multiple ZM-300 series. (Maximum connectable ZM series:
32)
• The PLC must be of the type of signal level RS422/RS485 with port numbers. RS422
connection between the ZM-300 series ↔ PLC must be in 2-wire connection.
• The ZM-300 and ZM-42 to 82 series can be used together.
PLC
CN1 CN1 CN1 CN1
F1
F2
F3
F4
F5
F6
F7
SYSTEM
POWER
F1
F2
F3
F4
F5
F6
F7
SYSTEM
POWER
F1
F2
F3
F4
F5
F6
F7
SYSTEM
POWER
F1
F2
F3
F4
F5
F6
F7
SYSTEM
POWER
Maximum length (PLC to the terminating ZM-300 series) = 500 m
RS-422/RS-485 connection
ZM-300 series No. 1 ZM-300 series No. 2 ZM-300 series No. 3 ZM-300 series No. “n” (n = 1 to 32)