"Notification main power feed turned off" (DAQ/ISIS)

ITOS Mnemonic:  LISISMAINFEEDON

View Options: (help)

Focus:	Maintenance / Operation
Structures:	Abstract / Concrete

Context:

Description:

The MainFeedOn command is part of the power on sequence and is sent to the LAT to indicate that the Main Feed switch has been closed. The LAT can now continue with the initialisation of the LCB-CRU-PDU chain.

Layout:  (hide detail; help)

Notification main power feed turned off (MainFeedOn) 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=0x688:16
002	SF=3		Sequence Count
004	Packet Length=16
006	0	Function Code=16
008	siu_cfg siu
00A	Packet Checksum

MainFeedOn (pkt)
|  siu_cfg siu (bf)
|  |  siu_id siu (0-1)
|  |  p_s_select mf (2)
|  |  on_off_select pdu_0 (3) ... pdu_1 (4)
|  |  p_s_select dab (5)
|  |  on_off_select pps_i (6)
|  |  p_s_select pps (7) ... ssr (9)
|  |  BITS_6 pad (10-15)

typedef struct _ISIS_MainFeedOn_Pkt {

    /* CCSDS header */
    char                 hdr[8];

    /* Command payload */
    ISIS_MainFeedOn_Prm  pay;

} ISIS_MainFeedOn_Pkt;

Fields:

siu_cfg (index)

Attribute(s):  

Brief:  "SIU on configuration"

Instance(s):  siu