ProSoft Technology ProTalk PTQ-104C Manual de usuario Pagina 162

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PTQ-104S Quantum/Unity Platform Reference
IEC-60870-5-104 Server Communication Module User Manual
Page 162 of 181 ProSoft Technology, Inc.
October 5, 2009
Information object address
(System-specific parameter)
One octet Structured
Two octets Unstructured
Three octets
Cause of transmission
(System-specific parameter)
One octet Two octets (with originator address)
Length of APDU
(System-specific parameter, specify the maximum length of the APDU per
system)
The Maximum length of the APDU is 253 (default). The maximum length may be
reduced by the system.
253 Maximum length of APDU per system
8.7.3 Selection of standard ASDUs
Process information in monitor direction
(Station-specific parameter, mark each Type ID 'X" if it is only used in the
standard direction, "R" if only used in the reverse direction, and "B" if used in
both directions)
<1> := Single-point information M_SP_NA_1
<3> := Double-point information M_DP_NA_1
<5> := Step position information M_ST_NA_1
<7> := Bitstring of 32 bit M_BO_NA_1
<9> := Measured value, normalized value M_ME_NA_1
<11> := Measured value, scaled value M_ME_NB_1
<13> := Measured value, short floating point value M_ME_NC_I
<15> := Integrated totals M_IT_NA_1
<20> := Packed single-point information with status change detection
M_PS_NA_1
<21> := Measured value, normalized value without quality descriptor
M_ME_ND_1
<30> := Single-point information with time tag CP56Time2a
M_SP_TB_1
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