Xylem CHATTER RTU and E-mail - Manual (Page 187)

USERS MANUAL
CHATTER™ DATA LOGGER
187
Appendix F
Definition of legends used in register descriptions
Modbus R/W
R = Read only
R/W = Read/Write
3 = Read holding registers
16 = Write holding registers
Data types
U16 = unsigned 16 bit value
U32 = unsigned 32 bit value
S32 = signed 32 bit value
STR20 = String with 20 chars
B16 = bit array
F32 = 32 bit float value
Firmware
Nothing = Valid for all versions
Number = Valid for this and later revisions