gefran 2500 Guide To Configuration And Network Installation

Page 10 80018C_MSW_2400-2500-Profibus_1209_ENG
4.5.2 PARAMETRIC DATA: READING A WORD
Request bytes
TRG
ADD SLAVE
FC
ADD MSB
ADD LSB
NW MSB
NW LSB
Trigger Slave
Address
3 or 4 Address word
to read
Address word
to read
No. of word to
read
(always 00)
No. of word to
read
(always 01)
Reply bytes
TRG
ADD SLAVE
FC
NB
W MSB
W LSB
#
Reply to set
trigger
Confirm Slave
address
Confirm
process code
Number of
bytes read
(always 2)
Msb value of
word
Lsb value of
word
Empty
4.5.3 PARAMETRIC DATA: WRITING A BIT
Request bytes
TRG
ADD SLAVE
FC
A
DD MSB
ADD LSB
BIT
00
Trigger Slave
Address
5 Address bit to
write
Address bit to
write
Value bit to
write
(00 or FF)
Always 00
Reply bytes
TRG
ADD SLAVE
FC
ADD MSB
ADD LSB
BIT
00
Reply to set
trigger
Confirm Slave
address
Confirm
process code
Address bit
written
Address bit
written
Value bit
written
(00 or FF)
Always 00
4.5.4 PARAMETRIC DATA: WRITING A WORD
Request bytes
TRG
ADD SLAVE
FC
ADD MSB
ADD LSB
W MSB
W LSB
Trigger Slave
Address
6 Address word
to write
Address word
to write
Value word to
write
Value word to
write
Reply bytes
TRG
ADD SLAVE
FC
ADD MSB
ADD LSB
W MSB
W LSB
Reply to set
trigger
Confirm Slave
address
Confirm
process code
Address word
written
Address word
written
Msb value
word written
Lsb value
word written
In case of error, 80hex plus the requested process code will be shown instead of the process code. The error code
will be shown in the CODE field.
Reply bytes
TRG
ADD SLAVE
FC
CODE
#
#
#
Reply to set
trigger
Confirm Slave
address
Process code
+ 80hex
Error code Empty Empty Empty
The error codes are:
1 = Illegal function 6 = Slave device busy
2 = Illegal data address 9 = Illegal number data
3 = Illegal data value 10 = Read only data

gefran 2500 Specifications

General

Brand	gefran
Model	2500
Category	Controller
Language	English