Brand:    OMRON.
Product name:    Controller Link Module.
Model:    
CJ1W-CLK21-V1.
Controller Link CJ1W-CLK21-V1 OMRON CJ1W-CLK23 Communications cable:    Wired shielded twisted-pair cable(See note.).
Communications OMRON CJ1W-CLK23 type:    Data links and message service.
CJ1W-CLK21-V1 Duplex support: CJ1W-CLK23    No.
Max. Units mountable per CPU Unit:    8.
Brand:    OMRON.
Product name: CJ1W-CLK23    High-speed Counter Module.
Model:    CJ1W-CT021.
CJ1W-CT021 Countable channels:   CJ1W-CLK23  2.
High-speed CJ1W-CT021 Module Encoder A and B inputs,     pulse input Z signals:    Open collector
Input voltage:    5 VDC,     12 V,     or 24 V(5 V and 12 V are each for one axis only.),     RS-422 line driver.
Brand:    OMRON.
Product name:    CompoNet Master Module.
Model:     CJ1W-CRM21.
CompoNet Master for CJ1 PLCs 
CJ1W-CRM21 Features :     Control up to 2560 pionts,     384 nodes with one master
Specifications :     Use CRT1 I/O slaves and CRS1 repeater
Enclosure Rating :     IP20 equivalent
Brand:    OMRON.
Product name:    RS-422A Adapter.
Brand&Model:    OMRON 
CJ1W-CIF11.
RS-232C to RS422/RS-485 adapter.
Rating :     Used for serial PLC Link with CJ1M. Converts an RS-232C port  OMRON CJ1W-CLK23 to an RS-422/RS-485 port. Mounts directly to the CPU.
   
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