11 Appendix DVP-PLC Application Manual 11-15 CR number Attribute Register name Description HW LW #14 R/W Writing function of the RTU mapping 0: The PLC writes data continually. 1: The PLC writes data when the input changes. #15 R/W Enabling flag for RTU mapping 1: Enable; 0: Disable. Default = 1 #16 R/W Connection status of RTU mapping slave b0: Status of RTU slave 1 b1: Status of RTU slave 2 b2: Status of RTU slave 3 b3: Status of RTU slave 4 #17 R/W Execution cycle of the data exchange Time unit: ms #18 - Reserved #19 R States of the slaves involved in the data exchange If the value of a bit is 1, an error occurs in the slave corresponding to the bit.
b[0:7] indicate the states of the slaves 1~8 involved in the data exchange. #86 ~ #20 - Reserved #87 R/W IP address setting mode 0: Static IP 1: DHCP #89 #88 R/W IP address When the IP address is 192.168.1.5, the data in CR#89 is 192.168, and the data in CR#88 is 1.5. #91 #90 R/W Mask address When the mask address is 255.255.255.0 the data in CR#91 is 255.255, and the data in CR#90 is 255.0. #93 #92 R/W Gateway IP address When the GIP address is 192.168.1.1, the data in CR#89 is 192.168, and the data in CR#88 is 1.1. #94 R/W Enabling the IP address setting 0: The setting of the IP address is not executed. 1: The setting of the IP address is executed. #95 R IP address setting status 0:
The setting is unfinished. 1: The setting is being executed. 2: The setting is complete. #113 ~ #96 - Reserved #114 R/W MPDBUS TCP time-out Setting up MODBUS TCP time-out (in ms) Default:
3000 #115 R/W MODBUS TCP trigger Setting up whether to send out data in MODBUS TCP mode #116 R/W MODBUS TCP status Displaying current status of MODBUS TCP mode #118 #117 R/W MODBUS TCP destination IP Setting up destination IP address for MODBUS TCP transaction #119 R/W MODBUS TCP data length Setting up the data length for MODBUS TCP transaction #219~#120 R/W MODBUS TCP data buffer Data buffer of MODBUS TCP for storing sending/receiving data #248~#220 - Reserved #249 R Sub-version #250 R Update date 0xC820 (April 8, 2012) #251 R Error code Displaying the errors. See the error code table for more information.
#255~#252 - Reserved Symbols “R” refers to “able to read data by FROM instrcution”; “W” refers to “able to write data by TO instrcution”.