GE b30 - Page 519

CHAPTER 6: IEC 60870-5-104 COMMUNICATION INTEROPERABILITY DOCUMENT
UR FAMILY – COMMUNICATIONS GUIDE 6-3
6
Cause of transmission
 One Octet
 Two Octets (with originator address). Originator address is set to zero if not used.
Maximum Length of APDU: 253 (the maximum length may be reduced by the system)
Selection of standard ASDUs
For the following lists, the boxes indicate the following:
 – used in standard direction
 – not used
 – cannot be selected in IEC 60870-5-104 standard
Process information in monitor direction
 <1> := Single-point information M_SP_NA_1
 <2> := Single-point information with time tag M_SP_TA_1
 <3> := Double-point information M_DP_NA_1
 <4> := Double-point information with time tag M_DP_TA_1
 <5> := Step position information M_ST_NA_1
 <6> := Step position information with time tag M_ST_TA_1
 <7> := Bitstring of 32 bits M_BO_NA_1
 <8> := Bitstring of 32 bits with time tag M_BO_TA_1
 <9> := Measured value, normalized value M_ME_NA_1
 <10> := Measured value, normalized value with time tag M_NE_TA_1
 <11> := Measured value, scaled value M_ME_NB_1
 <12> := Measured value, scaled value with time tag M_NE_TB_1
 <13> := Measured value, short floating point value M_ME_NC_1
 <14> := Measured value, short floating point value with time tag M_NE_TC_1
 <15> := Integrated totals M_IT_NA_1
 <16> := Integrated totals with time tag M_IT_TA_1
 <17> := Event of protection equipment with time tag M_EP_TA_1
 <18> := Packed start events of protection equipment with time tag M_EP_TB_1
 <19> := Packed output circuit information of protection equipment with time tag M_EP_TC_1
 <20> := Packed single-point information with status change detection M_SP_NA_1
 <21> := Measured value, normalized value without quantity descriptor M_ME_ND_1
 <30> := Single-point information with time tag CP56Time2a M_SP_TB_1
 <31> := Double-point information with time tag CP56Time2a M_DP_TB_1
 <32> := Step position information with time tag CP56Time2a M_ST_TB_1
 <33> := Bitstring of 32 bits with time tag CP56Time2a M_BO_TB_1
 <34> := Measured value, normalized value with time tag CP56Time2a M_ME_TD_1
 <35> := Measured value, scaled value with time tag CP56Time2a M_ME_TE_1
 <36> := Measured value, short floating point value with time tag CP56Time2a M_ME_TF_1
 <37> := Integrated totals with time tag CP56Time2a M_IT_TB_1
 <38> := Event of protection equipment with time tag CP56Time2a M_EP_TD_1
 <39> := Packed start events of protection equipment with time tag CP56Time2a M_EP_TE_1
 <40> := Packed output circuit information of protection equipment with time tag CP56Time2a M_EP_TF_1