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PowerOff (1672/0x688:18) - Telecommand Packet


"Instructs the LAT to power off tem, epu, acd" (DAQ/ISIS)

ITOS Mnemonic:  LISISPOWEROFF

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Context:

Description:

    Command instructs the LAT to power off some components (where some may be one, several or all).

Layout:  (hide detail; help)

Instructs the LAT to power off tem, epu, acd (PowerOff)
Telecommand Packet Format
0x 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
000 Version=0 T=1 SH APID=0x688:18
002 SF=3 Sequence Count
004 Packet Length=112
006 0 Function Code=18
008 tem_off_cfg tem
010 epu_off_cfg epu
012 acd_off_cfg acd
014 UWRD pad
016 Packet Checksum

    typedef struct _ISIS_PowerOff_Pkt {
    
        /* CCSDS header */
        char                 hdr[8];
    
        /* Command payload */
        ISIS_PowerOff_Prm    pay;
    
    } ISIS_PowerOff_Pkt;
    

Fields:

      Attribute(s):  

      Brief:  "Identifies the FREE boards to power off"

      Instance(s):  acd

      Attribute(s):  

      Brief:  "Identifies the EPUs to power off"

      Instance(s):  epu

      Attribute(s):  

      Brief:  "Specifies the TEMs and/or towers to power off"

      Instance(s):  tem

      Attribute(s):  

      Brief:  "Unsigned 16-bit integer"

      Instance(s):  pad