WAGO-I/O-SYSTEM 750
Fieldbus Communication 241
750-880, 750-880/025-000 ETHERNET Programmable Fieldbus Controller
Manual
Version 1.0.1
Bit Access Reading (with FC1 and FC2)
Table 128: Bit access reading (with FC1 and FC2)
MODBUS address
Memory range
[dec]
[hex]
Description
0...511
0x0000...0x01FF
Physical input area (1) First 512 digital inputs
512...1023
0x0200...0x03FF Physical output area (1) First 512 digital outputs
1024...4095 0x0400...0x0FFF
-
MODBUS
exception:
“Illegal data address”
4096...8191 0x1000...0x1FFF %QX256.0...%QX511.15 PFC OUT area
Volatile PFC output variables
8192...12287 0x2000...0x2FFF %IX256.0...%IX511.15 PFC IN area
Volatile PFC input variables
12288...32767 0x3000...0x7FFF %MX0...%MX1279.15 NOVRAM
2 kB retain memory (max. 24 kB)
32768...34295 0x8000...0x85F7
Physical input area (2) Starts with the 513
th
and ends with the
2039
th
digital input
34296...36863 0x85F8...0x8FFF
-
MODBUS exception:
“Illegal data address”
36864...38391 0x9000...0x95F7 Physical output area (2) Starts with the 513
th
and ends with the
2039
th
digital output
38392...65535 0x95F8...0xFFFF
-
MODBUS exception:
“Illegal data address”
Pos: 109.23 /Alle Serien (Allgemeine Module)/Feldbuskommunikation/MODBUS/MODBUS-Register-Mapping - Bitzugriff Schreiben (mit FC5 und FC15) NOVRAM 2 statt 8 kB (881) @ 8\mod_1278681571557_21.doc @ 59527 @ @ 1
Bit Access Writing (with FC5 and FC15)
Table 129: Bit access writing (with FC5 and FC15)
MODBUS address
Memory Range
[dez]
[hex]
Description
0...511
0x0000...0x01FF Physical output area (1) First 512 digital outputs
512...1023
0x0200...0x03FF Physical output area (1) First 512 digital outputs
1024...4095 0x0400...0x0FFF
-
MODBUS
exception:
“Illegal data address”
4096...8191 0x1000...0x1FFF %IX256.0...%IX511.15 PFC IN area
Volatile PFC input variables
8192...12287 0x2000...0x2FFF %IX256.0...%IX511.15 PFC IN area
Volatile PFC input variables
12288...32767 0x3000...0x7FFF %MX0...%MX1279.15 NOVRAM
2 kB retain memory
32768...34295 0x8000...0x85F7 Physical output area (2) Starts with the 513
th
and ends with the
2039
th
digital input
34296...36863 0x85F8...0x8FFF
-
MODBUS-Exception:
“Illegal data address”
36864...38391 0x9000...0x95F7 Physical output area (2) Starts with the 513
th
and ends with the
2039
th
digital output
38392...65535 0x95F8...0xFFFF
-
MODBUS-Exception:
“Illegal data address”
Pos: 109.24 /Dokumentation allgemein/Gliederungselemente/---Seitenwechsel--- @ 3\mod_1221108045078_0.doc @ 21810 @ @ 1