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Communication Cimon

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  • Ethernet modules are covered by IEEE802.3 standard and supports ARP, ICMP, IP, TCP, UDP protocols.
  • There is No limitation number of Ethernet module installation in one base but the maximum number of expansion modules in one base is 11 modules.
  • It operates with CIMON-SCADA to support Dynamic IP(DHCP).
  • It supports MODBUS/TCP Master function.
  • It supports High-speed link to communicate along Cimon PLCs and 64 simultaneous communications.
  • In case of High Speed PLC link, maximum 4 Ethernet modules can be installed.

Ethernet module

Module specification

Item CM3-SP01EET
Media interface 10BASE-T, 100BASE-TX
Transmission speed 10/100Mbps
Max. length of segment 100m
Service capacity UDP, TCP : 12 Service
Service Loader Yes (UDP)
HMI Protocol Yes (TCP, UDP)
PLC Link(Exclusive) No
PLC Link(Common) No
High-speed PLC Link Yes

Cable Specification-(UTP)

Item Unit Value
Conductor resistance (Maximum) Ω / km 93.5
Insulation resistance (Minimum) MΩ / km 2500
Withstand voltage V / 분 AC 500
Impedance Ω (1 ~ 100MHz) 100±15
Attenuation Ω (1 ~ 100MHz) 10 6.5
16 8.2
20 9.3
Attenuation Ω (1 ~ 100MHz) 10 47
16 44
20 42

※The cable type should be selected according to system configuration and circumstance.
Therefore, please install it after consulting with the experts.

Serial module

  • Independent operation by channel with 3rd party protocol RS-232C and RS422/485 channels.
  • Read and write data through HMI protocol.
  • Supports HMI protocol for Multi drop (Max. 32units communication available)(RS422/485)
  • CDMA modem is built in some of serial modules to control far away PLC.(RS232C)
  • Supports wide range of communication speed (300bps~38400bps)
  • RS232C/RS422/485 Comm. port can be used as independent channel or linked channel.
  • Supports 1:1 / 1:N / N:M in case of RS422/485.
  • Supports Full-Duplex(RS422) and Half-Duplex(RS485).
  • Supports MODBUS/RTU Master function.
  • RS422/485 channels are photo coupler insulation to prevent noise.

Module specification

Interface RS232C:1CH
RS232C: 2CH RS232C: 1CH RS232C:1CH
RS232C: 2CH
Communication method Null modem O O O O O
Cable modem O O O O O
CDMA modem O O O O O
Operation mode Protocol
Special program
User defined protocol program
HMI protocol CIMON-PLC HMI Protocol
Modbus RTU Protocol
Graphic Loader
Loader Protocol
Control PLC through CICON connection function
ModBus Master
Master protocl
Communicate to Modbus RTU slave
Data type Data bit 8 bit
Stop bit 1 or 2 bit
Parity Even / Odd / None
Synchronous Asynchronous
Transmission speed(bps) 300 / 600 / 1200 / 2400 / 4800 / 9600 / 19200 / 38400
Insulation method RS232C: N/A
RS422/485: Photo-coupler insulation


Dimensions (mm)



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