Data Map 3: Milltronics BW500 and Milltronics SF500 Application Layer Note: The data maps shown for the Write and Read Blocks apply if P762 is set to the default values (see page 14). If any of these values is changed, the data map will be shortened and the configuration will change. (See Appendix A – Reducing the amount of data being transferred over the Bus, on page 48.) Write Block The words in the write operation allow access to the Siemens Milltronics SmartLinx instruments as Single Parameter Access (SPA) only. Notes: • All the 32 bit numbers (except for the SPA numbers) have a fixed decimal place of 3 digits. For example PID 1 setpoint value of 3,245 is a value of 3.245 in the BW500.
• To make a change to any parameter in the BW500 using SmartLinx, P799 Communications Control must be set to 1. 7ML19981BH02 SmartLinx DeviceNet – INSTRUCTION MANUAL Page 33 Description Start End Size Data Type parameter number, SPA 0 0 1 integer primary index, SPA 1 1 1 integer secondary index, SPA 2 2 1 integer new value, SPA 3 4 2 UINT32 decimal place, SPA 5 5 1 integer format, SPA 6 6 1 integer read/write flag, SPA 7 7 1 integer command control 8 8 1 bitmapped multispan selection 9 9 1 1-4 PID 1 setpoint value 10 11 2 UINT32 PID 2 setpoint value 12 13 2 UINT32 batch setpoint value 14 15 2 UINT32 batch prewarn setpoint value 16 17 2 UINT32 word order 18 18 1 0/1