Details of the implicit exchange objects of the T_COM_PBY-type IODDT
(Original Document)
About us
At a Glance
The following tables present the implicit exchange objects of the T_COM_PBY-type IODDT that apply to Profibus DP communication.
Error bit
The following table presents the meaning of the CH_ERROR error bit (%Ir.m.c.ERR).
Standard symbol
Type
Access
Meaning
Address
CH_ERROR
BOOL
R
Communication channel error bit.
%Ir.m.0.ERR
Status bits
The following table presents the meaning of the bits of status word (%IWr.m.0.242).
Standard symbol
Type
Access
Meaning
Address
CHAN_FLT
BOOL
R
bit 0 = 1: if bit 8 = 1 or bit 9 = 1 or bit 10 = 1, channel error.
%IWr.m.0.242.0
MAST_OP_FLT
BOOL
R
bit 8 = 1 Master module operating error (DP_ERROR).
%IWr.m.0.242.8
PCMCIA_OP_FLT
BOOL
R
bit 9 = 1 PCMCIA card operating error (IOM_ERROR).
%IWr.m.0.242.9
MAST_CONF_FLT
BOOL
R
bit 10 = 1 Master module configuration error (CM_ERROR).
%IWr.m.0.242.10
CONF_FLT
BOOL
R
bit 13 = 1 Configuration error.
%IWr.m.0.242.13
COM_FLT
BOOL
R
bit 14 = 1 Communication error. no communication with the programmable controller.
%IWr.m.0.242.14
Status bits
The following table presents the meaning of the bits of status word STS_243 (%IWr.m.0.243).
Standard symbol
Type
Access
Meaning
Address
-
BOOL
R
address of the last diagnosed slave.
%IWr.m.0.243.0 to 6
BUS_FLT
BOOL
R
bit 7 = 1: Hardware fault on the bus (line termination, cabling, connectors, TAP, etc).
%IWr.m.0.243.7
MAST_MOD_OP
BOOL
R
bit 8 = 1: Master module operating.
%IWr.m.0.243.8
IO_FLT
BOOL
R
bit 9 = 1: Inputs/outputs error (one or more slaves faulty).
%IWr.m.0.243.9
NEW_MAST_DIAG
BOOL
R
bit 10 = 1: New diagnostics available for the master module.
%IWr.m.0.243.10
NEW_SLAVE_DIAG
BOOL
R
bit 11 = 1: New diagnostics available for a slave (address provided by bits 0 to 6).
%IWr.m.0.243.11
NEW_SLAVES_DIAG
BOOL
R
bit 12 = 1: New diagnostics received for several slaves.
%IWr.m.0.243.12
-
BOOL
R
Code of last management event (bus inoperative, communication error between master devices, etc.).
%IWr.m.0.243.13 to 15
Diagnostics bits
The following table presents the meaning of the bits of diagnostics word (%IWr.m.0.242).
Standard symbol
Type
Access
Meaning
Address
STS_SLAVE_0
BOOL
R
Status bit of slave 0.
%IWr.m.0.244.0
STS_SLAVE_1
BOOL
R
Status bit of slave 1.
%IWr.m.0.244.1
STS_SLAVE_n
BOOL
R
Status bit of slave n.
%IWr.m.0.244.n
STS_SLAVE_15
BOOL
R
Status bit of slave 15.
%IWr.m.0.244.15
Diagnostics bits
The following table presents the meaning of the bits of diagnostics word (%IWr.m.0.245).
Standard symbol
Type
Access
Meaning
Address
STS_SLAVE_16
BOOL
R
Status bit of slave 16.
%IWr.m.0.245.0
STS_SLAVE_17
BOOL
R
Status bit of slave 17.
%IWr.m.0.245.1
STS_SLAVE_n
BOOL
R
Status bit of slave n.
%IWr.m.0.245.i
STS_SLAVE_31
BOOL
R
Status bit of slave 31.
%IWr.m.0.245.15
Diagnostics bits
The following table presents the meaning of the bits of diagnostics word (%IWr.m.0.246).
Standard symbol
Type
Access
Meaning
Address
STS_SLAVE_32
BOOL
R
Status bit of slave 32.
%IWr.m.0.246.0
STS_SLAVE_33
BOOL
R
Status bit of slave 33.
%IWr.m.0.246.1
STS_SLAVE_n
BOOL
R
Status bit of slave n.
%IWr.m.0.246.i
STS_SLAVE_47
BOOL
R
Status bit of slave 47.
%IWr.m.0.246.15
Diagnostics bits
The following table presents the meaning of the bits of diagnostics word (%IWr.m.0.247).
Standard symbol
Type
Access
Meaning
Address
STS_SLAVE_48
BOOL
R
Status bit of slave 48.
%IWr.m.0.247.0
STS_SLAVE_49
BOOL
R
Status bit of slave 49.
%IWr.m.0.247.1
STS_SLAVE_n
BOOL
R
Status bit of slave n.
%IWr.m.0.247.i
STS_SLAVE_63
BOOL
R
Status bit of slave 63.
%IWr.m.0.247.15
Diagnostics bits
The following table presents the meaning of the bits of diagnostics word (%IWr.m.0.248).
Standard symbol
Type
Access
Meaning
Address
STS_SLAVE_64
BOOL
R
Status bit of slave 64.
%IWr.m.0.248.0
STS_SLAVE_65
BOOL
R
Status bit of slave 65.
%IWr.m.0.248.1
STS_SLAVE_n
BOOL
R
Status bit of slave n.
%IWr.m.0.248.i
STS_SLAVE_79
BOOL
R
Status bit of slave 79.
%IWr.m.0.248.15
Diagnostics bits
The following table presents the meaning of the bits of diagnostics word (%IWr.m.0.249).
Standard symbol
Type
Access
Meaning
Address
STS_SLAVE_80
BOOL
R
Status bit of slave 80.
%IWr.m.0.249.0
STS_SLAVE_81
BOOL
R
Status bit of slave 81.
%IWr.m.0.249.1
STS_SLAVE_n
BOOL
R
Status bit of slave n.
%IWr.m.0.249.i
STS_SLAVE_95
BOOL
R
Status bit of slave 95.
%IWr.m.0.249.15
Diagnostics bits
The following table presents the meaning of the bits of diagnostics word (%IWr.m.0.250).
Standard symbol
Type
Access
Meaning
Address
STS_SLAVE_96
BOOL
R
Status bit of slave 96.
%IWr.m.0.250.0
STS_SLAVE_97
BOOL
R
Status bit of slave 97.
%IWr.m.0.250.1
STS_SLAVE_n
BOOL
R
Status bit of slave n.
%IWr.m.0.250.i
STS_SLAVE_111
BOOL
R
Status bit of slave 111.
%IWr.m.0.250.15
Diagnostics bits
The following table presents the meaning of the bits of diagnostics word (%IWr.m.0.251).
Standard symbol
Type
Access
Meaning
Address
STS_SLAVE_112
BOOL
R
Status bit of slave 112.
%IWr.m.0.251.0
STS_SLAVE_113
BOOL
R
Status bit of slave 113.
%IWr.m.0.251.1
STS_SLAVE_n
BOOL
R
Status bit of slave n.
%IWr.m.0.251.i
STS_SLAVE_125
BOOL
R
Status bit of slave 125.
%IWr.m.0.251.13
MOD_INP_TRANS
BOOL
R
Transfer of inputs from the module to the PLC processor.
%IWr.m.0.251.14
CPU_OUTP_TRANS
BOOL
R
Transfer of outputs from the PLC processor to the module.
%IWr.m.0.251.15
Words and error codes
The following table presents the meaning of the words MAST_ERR_COD (%IWr.m.0.252) and IO_ERR_COD (%IWr.m.0.253).
Standard symbol
Type
Access
Meaning
Address
MAST_ERR_COD
INT
R
Master module error codes.
%IWr.m.0.252
IO_ERR_COD
INT
R
Inputs/outputs error codes.
%IWr.m.0.253