简要说明：德国Hetronik牌的德国Hetronik控制器HC510-RK-4产品：估价：7，规格：HC510-RK-4，产品系列编号：HC510-RK-4

德国Hetronik控制器HC510-RK-8-230；  
德国Hetronik控制器HC510-RK-8-110；  
德国Hetronik控制器HC510-RK-FU-110；  
德国Hetronik控制器HC510-RK-FU-230；  
德国Hetronik控制器HC510-RK-4；  
德国Hetronik控制器HC510-RK-4-230；  
德国Hetronik控制器HC510-RK-8 ；  
德国Hetronik控制器 HC510-RK-8-110；  
德国Hetronik控制器 HC510-RK-8-110；  
德国Hetronik控制器HC510-RK-8-230    

P3-USER-M Productivity3000 PAC User Manual, covers all P3 series CPU and I/O module installation and wiring, specifications, and troubleshooting guide. Order manual separately from hardware.
 Protos X I/O Bus Controllers
PX-MOD Modbus RTU serial bus coupler for Protos X I/O system, supports a maximum of 512 bytes of input data and 512 bytes of output data in any combination up to 64 connected terminals in a row; a maximum of 255 terminals can be connected with the use of bus expansion terminals; includes DB9 RS-485 port for connecting to the Modbus RTU master.
PX-TCP2 Modbus TCP 10/100 Mbps Ethernet bus coupler for Protos X I/O system, supports a maximum of 512 bytes of input data and 512 bytes of output data in any combination up to 64 connected terminals in a row; includes 2-channel 10/100 Mbps Ethernet switch for connecting to the Modbus TCP client.
PX-TCP1 Compact Modbus TCP 10/100 Mbps Ethernet bus coupler for Protos X I/O system, supports a maximum of 512 bytes of input data and 512 byte