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

ITOS Mnemonic:  LISISPOWERON

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Focus:	Maintenance / Operation
Structures:	Abstract / Concrete

Context:

Description:

The power on command instructs the LAT to power on and initialise some components (where some may be one, several or all of the LAT components). The command payload specifies the components, the PDU to use for each and whether any secondary power management systems (power convertors etc) should be used

Layout:  (hide detail; help)

Instructs the LAT to power on tem, epu, acd (PowerOn) 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=0x688:17
002	SF=3		Sequence Count
004	Packet Length=96
006	0	Function Code=17
008	tem_on_cfg tem
010	epu_on_cfg epu
012	acd_on_cfg acd
014	Packet Checksum

PowerOn (pkt)
|  tem_on_cfg tem (bf)
|  |  twr_mask pwr (0-15) ... tkr (48-63)
|  epu_on_cfg epu (bf)
|  |  epu_mask pwr (0-2) ... sec_con (6-8)
|  |  BITS_7 pad_notused (9-15)
|  acd_on_cfg acd (bf)
|  |  on_off_select pwr (0)
|  |  pdu_id pdu (1)
|  |  p_s_select sec_con (2) ... sec_sup (3)
|  |  free_mask free (4-15)

typedef struct _ISIS_PowerOn_Pkt {

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

    /* Command payload */
    ISIS_PowerOn_Prm     pay;

} ISIS_PowerOn_Pkt;

Fields:

acd_on_cfg (index)

Attribute(s):  

Brief:  "Identifies the FREE boards to power and the PDU to use"

Instance(s):  acd

epu_on_cfg (index)

Attribute(s):  

Brief:  "Identifies the EPUs to power on and the PDUs to use"

Instance(s):  epu

tem_on_cfg (index)

Attribute(s):  

Brief:  "Specifies the TEMs to power on and the PDUs to use."

Instance(s):  tem