Comtrol DeviceMaster EtherNet/IP-Modbus EIP-MOD User Manual page 76

Modbus to Modbus Configuration Page
Modbus (Read)
Device ID
Function Code
Address (Base 1)
Length (Regs/Coils)
Poll Rate (ms)
Modbus (Write)
Change of State
Device ID
Function Code
Address (Base 1)
Length (Regs/Coils)
76 - Chapter 7. Data Mapping Menus
Modbus to Modbus Configuration Page (Continued)
The Modbus Device ID to be read.
• If access to the Shared Memory is desired:
- The Shared Memory must be enabled.
- The Shared Memory device ID must be entered.
• If a Device Id for a Modbus slave is entered, the DeviceMaster EtherNet/IP-
Modbus gateway routes the message to the appropriate location.
Select the Modbus Read function code:
• 01: Coil Status (00x) - read one or more coils
• 02: Input Status (10x) – read one or more discrete inputs
• 03: Holding Registers (40x) - read one or more holding registers
• 04: Input Registers (30x) – read one or more input registers
Enter the Modbus address in Base 1 format. (The address of the tables starts at
1, instead of 0 for Base 0).
Enter only the lower 16 bits of the address (1-65536).
Enter the number of registers or coils to be read.
Enter the rate at which the Data Mapping process should read the configured
Modbus device or Shared Memory.
If selected, the Data Mapping process only writes the received data to the write
Modbus Device if:
• The data is being received for the first time.
• The received data has changed.
• The previous write attempt to the write Modbus Device was unsuccessful.
The Modbus Device ID to be written to.
• If access to the Shared Memory is desired:
- The Shared Memory must be enabled.
- The Shared Memory device ID must be entered.
• If a Device ID for a Modbus slave is entered, the DeviceMaster EtherNet/
IP-Modbus gateway routes the message to the appropriate location.
Select the Modbus Write function code:
• 05: Single Coil (10x) - write one coil
• 06: Single Register (40x) – write one holding register
• 15: Multiple Coils (30x) – write one or more coils
• 16: Multiple Registers (40x) – write one or more holding registers
Enter the Modbus address in Base 1 format. (The address of the tables starts at
1, instead of 0 for Base 0).
Enter only the lower 16 bits of the address (1-65536).
Enter the number of registers or coils to be read.
DeviceMaster EIP-MOD User Guide: 2000664 Rev. A