B&B Electronics MODSCAN32 - Manual - Manual (Page 24)

24
PRESET MULTIPLE REGISTERS (FUNCTION CODE 16)
Holding registers existing within the controller can have their contents changed via function code 16.
Sixteen bits of data for each register is contained within the message.
ADDR FUN
C H.O.
ADDR L.O.
ADDR QUANTITY BYTE
CNT H.O.
DATA L.O.
DATA etc. ERROR
CHECK
FIELD
11 10 00 87 00 02 04 00 0A ??
The normal response to a PRESET MULTIPLE REGISTERS request is to echo the slave address, function
code, starting address, and quantity of registers set.
ADDR FUNC H.O.
ADDR L.O.
ADDR QUANTITY ERROR
CHECK
FIELD
11 10 00 87 00 02 56