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INM 725B Rev 21
13 .4 .5 Write Multiple Coils – Function 15 – Response
Register Address
Number of coils that have been written
Quantity
This represents the number of coils (Inputs), the user wishes to be written
Typical Example of Message Format – Entry Level Comm’s
To write to all of the inputs available on the first alarm card in the system the user would need
to send the following message
ADDRESS
FUNCTION
REGISTER
ADDRESS
No. of
REGISTERS
BYTE COUNT
DATA
ERROR
CHECK
01
OF
00 00
00 04
01
OF
7E 92
To write input 3 to the normal state on the second alarm card in the system you would need to
send the following message
ADDRESS
FUNCTION
REGISTER
ADDRESS
No. of
REGISTERS
BYTE COUNT
DATA
ERROR
CHECK
02
OF
00 02
00 01
01
00
17 42
To write the third pushbutton input on alarm card 1 to abnormal you would need to send the
following message
ADDRESS
FUNCTION
REGISTER
ADDRESS
No. of
REGISTERS
BYTE COUNT
DATA
ERROR
CHECK
01
OF
00 06
00 01
01
01
67 57
To write the third pushbutton input on alarm card 1 to normal you would need to send the
following message
ADDRESS
FUNCTION
REGISTER
ADDRESS
No. of
REGISTERS
BYTE COUNT
DATA
ERROR
CHECK
01
OF
00 06
00 01
01
00
A6 97
NOTE
On systems supplied before 30st July 2010 the input status is OR’d with the actual
contact state. If the input is serial only please ensure the contact type is set to Normally
Open and no customer wiring is made to the customer terminals located on the rear of
the associated cell.
With serial inputs 0 = Input Normal and 1 = Input Abnormal
