Byte Name: TLM Addr: Bit7: Bit6: Bit5: Bit4: Bit3: Bit2: Bit1: Bit0: Notes:
Temporary #180







Used by 2Mux handler. Note: 2MUX[i] commanded with #NN i !S
EPU Configuration #181 Output Valve C Output Valve B Input valve A
Flow Cntl. 2, Valve B Flow Cntl. 1, Valve C EPU run Gas generator on #01 = EPU Configuration + Gas Generator on
LIU Power #182 1 = on 0 = on 1 = on 0 = on 1 = on 0 = on 1 = on 0 = on #AA = LIU power on, all else is OFF
EPU - Power #183 1 = on 0 = on 1 = on 0 = on 1 = on 0 = on 1 = on 0 = on #AA = EPU power on, all else is OFF
X-Tx Control #184 TWTA C1 TWTA C0

AGC 3 AGC 2 AGC 1 AGC 0 TWTA C1 = helix overcurrent limit override
TWTA C0 = filament boost on control
EPU - Current #185







#32 = 80% current; 0 = highest current
CURRENT = 10.337 - 0.0366 * X
EPU - Flow rate #186







#00 = min flow rate
Wheel power #187
EPU config. On
EPU config. On
Wheel 3 power on Wheel 2 power on Wheel 1 power on NOTE: before turning wheel power on, speed must be set to #5FFE (0)

NEVER TURN OFF 28V-S with wheels running. Wheels must be despun to #5FFE

#50 = EPU configuration ON, 50... 57
Experiment control #188 Cdex power on Cdex cntrl. on B cam on A cam on Mon Rx on GPS on Rudak on ARU on For Monitor preamp to be on 21/24 MHz Rx must be on
Antenna control #189



Lband higain preamp on Lband omni preamp on U rx to omni, U tx to higain V rx to omni, V tx to higain telem. addr #129 for antenna R1 position
SEU ES Sensitivity #18A 2.4 mV 1.2 mV 600 mv 300 mV 150 mV 75 mV 37 mV 20 mV Hysteresis = 200 mV
Threshold = 600 mV
PSU Relay control #18B



auxillary heater on charger on aux/main main battery off aux battery off if bit0 & bit1 = 1
then aux and main battery ON. Charger charges whichever batteries are NOT on active.
NOTE: The heater must be toggled on and off every 20 mS to function.
Battery voltage offset #18C







if X<64 then X+=256 ; Offset = 0.04*X + 17.76
offset
BCR-1 Array voltage #18D







if X<128 then X+=256 ; Offset = 0.10*X - 5.6
voltage offset
BCR-2 Array voltage #18E







if X<128 then X+=256 ; Offset = 0.10*X - 5.6
voltage offset
BCR-3 Array voltage #18F







if X<128 then X+=256 ; Offset = 0.10*X - 5.6
voltage offset
SS1 (count) #190







C=255 or C=0, PLL locked. Sun-Sensor angular position oscillator, Slit antenna side.
SS2 #191







Time offset from SS-1, counts
SS-Flags #192





SS2 flag SS1 flag
Spin-count, raw #193







Updated every 20ms
Sensor ctrl (OUT7) - Beacon #194 7,6 bits: (MSB,LSB)
00 - Sun data
01 - spin ref./spin countr
10 - ES lower beam
11 - ES upper beam
7,6 bits: (MSB,LSB)
00 - Sun data
01 - spin ref./spin countr
10 - ES lower beam
11 - ES upper beam
EB is PSK source for GB Ranging is PSK source EB on DPSK off FSK/GB GB off
Schiel-Korrektur #195







SS correction (see also #1DD)
Z - last lower ES pulse #196








Orbit# - last lower ES pulse #197







Orbit# MOD 256
Z - last upper ES pulse #198








Orbit# - last upper ES pulse #199







Orbit# MOD 256
ES lockout range #19A







Within +- C counts from sun sensor pip, earth
sensor handler ignores data (Spin count 1 circle = 256 counts.)
ES1 lower beam (+X) #19B







Spin count at edge selected, lower beam.
Update flag 1, lower beam (+X) #19C







Indicates updating, lower beam. Alternate: when in 3-axis mode means +X in view
ES2, upper beam (-X) #19D







Spin count at edge selected, upper beam.
Update flag 2, upper beam (-X) #19E







Indicates updating, upper beam. Alternate: when in 3-axis mode means -X in view
Sensor mode #19F






1 = spin, 0 = 3-axis
Modus #1A0





1 = magnet on 1 = undespun magnet
M-SOLL #1A1







magnet vector desired angle to the despun Sun
(clockwise as seen from top, 1 circle = 256)
M-Out #1A2


IR (laser) beacon Magnet on current polarity, arm 3 current polarity, arm 2 current polarity, arm 1
Z - fraction lo (LSB) #1A3







Fractional Z increment in 20ms
Z - fraction hi (MSB) .256 #1A4







Counts down to 0 from preset value. 255th Z has different value of Z-FRAC.
~8046 counts/Z for 11.44 hour orbit
Z (MA) counter #1A5







0 to 255 MA
Orbit# (LSB) #1A6







Orbit#, LSB
Orbit# .256 (MSB) #1A7







Orbit#, MSB
UHR - 1/100 sec #1A8








UHR - secs #1A9








UHR - minutes #1AA








UHR -hours #1AB








UHR -days (LSB) #1AC








UHR - days.256 (MSB) #1AD








SU0 - 1/100 sec #1AE








SU0 - secs #1AF








SU0 - min (LSB) #1B0








SU0 - min.256 (MSB) #1B1








SU1 - 1/100 sec #1B2








SU1 - secs #1B3








SU1 - min (LSB) #1B4








SU1 - min.256 (MSB) #1B5








SU2 - 1/100 sec #1B6








SU2 -secs #1B7








SU2 - min (LSB) #1B8








SU2 - min.256 (MSB) #1B9








SU3 - 1/100 sec #1BA








SU3 - secs #1BB








SU3 - min (LSB) #1BC








SU3 - min.256 (MSB) #1BD








unused #1BE








MUX Flag 1 #1BF








Wheel-1 speed (LSB) #1C0







Speed = 960.0/19.0 * 2.4e6 * (1.0/(C+2.0) - 1.0/24576.0) #5FFE = 0
Wheel-1 speed (MSB) #1C1







Speed = 960.0/19.0 * 2.4e6 * (1.0/(C+2.0) - 1.0/24576.0) #5FFE = 0
Wheel-2 speed (LSB) #1C2







Speed = 960.0/19.0 * 2.4e6 * (1.0/(C+2.0) - 1.0/24576.0) #5FFE = 0
Wheel-2 speed (MSB) #1C3







Speed = 960.0/19.0 * 2.4e6 * (1.0/(C+2.0) - 1.0/24576.0) #5FFE = 0
Wheel-3 speed (LSB) #1C4







Speed = 960.0/19.0 * 2.4e6 * (1.0/(C+2.0) - 1.0/24576.0) #5FFE = 0
Wheel-3 speed (MSB) #1C5







Speed = 960.0/19.0 * 2.4e6 * (1.0/(C+2.0) - 1.0/24576.0) #5FFE = 0
SEU control (LIU/EPU Instr. on) (LSB) #1C6 2.4 v sun sensor threshold 1.2 v sun sensor threshold 0.6v sun sensor threshold 0.3v sun sensor threshold LIU + EPU Instr. ON ES +Edge select ES-2, 3-axis (top pt.) ES-1, spin (side pt.) #F is 1 solar constant
Bit3 must be 1 to read EPU/LIU pressures
SEU control (MSB) #1C7





45 deg sensor 25 deg sensor + omni This byte needs to be updated in all routines.
Transmitter control (LSB) #1C8
KuTx - EB XTx - low

U tx on - low*
S2 tx on * Bit10 must also be set to 1 for the U-band Tx to be in low power mode (see #449)
Transmitter control (MSB) #1C9 (15) (14) Ku Tx on (13) X TWTA on (12) (11) S1 Tx on (10) U Tx on (9) V Tx on (8) YAHU on 2m Rx must be On to enable the U-band Tx
S2 Tx IF is shared with the Ku Band Tx
NEVER TURN THE TWTA OFF UNTIL IT HAS FULLY CYCLED ON!!!!
Receiver control (LSB) #1CA C Rx on S1 Rx on L2 Rx on not used S2 Rx on V Rx on / U Rx off 24 MHz Rx on 21 MHz Rx on V Rx must be on to enable U Tx
Receiver control (MSB) #1CB







Not used
Matrix control (LSB) #1CC







-see matrix columns at end of syspage for bit functions
Matrix control (MSB) #1CD not used column bit C2 column bit C1 column bit C0



-see matrix columns at end of syspage for bit functions
unused (LSB) #1CE








unused (MSB) #1CF








LEILA1 contrl (LSB) #1D0 0=notch off / 1=notch 0=jam off / 1= jam 1=IHU cntrl. / 0=Auto 0=scan reset, 1=scan threshold threshold threshold threshold normal mode = D*, *=threshold (8) ,bent pipe = #1F
LEILA2 contrl (MSB) #1D1 0=notch off / 1= notch 0=jam off / 1=jam 1=IHU cntrl. / 0=Auto 0=scan reset, 1=scan threshold threshold threshold threshold normal mode = D*, *=threshold(8), bent pipe = #1F
spare (LSB) #1D2








spare (MSB) #1D3








unused #1D4








unused #1D5








unused #1D6








A/D control (OUT 5) #1D7








T/Z #1D8








Status ( IN E ) #1D9 soft error count - bit 2 soft error count - bit 1 soft error count - bit 0

EPU power S/A = "armed" (0 = "safe) LIU power on
Input A/B (LSB) #1DA








Input A/B (MSB) #1DB








unused #1DC








Korr. count #1DD







in association with #195
Event count (LSB) #1DE







Events, LSB
Event count (MSB) #1DF







Events*256, MSB
Command# (LSB) #1E0







Command#, LSB
Command# .256 (MSB) #1E1







Command# * 256, MSB
Pl #1E2







counter in GB handler, RTTY
ph #1E3







counter in GB handler, RTTY
N CW speed #1E4







no. of 20ms per dot, morse speed.
n CW speed #1E5







running count of units for morse.
Status #1E6







do not use
OUT 7, temp #1E7







OUT7, temp only
M #1E8







Out7, temp. only
unused #1E9








unused #1EA








unused #1EB








unused #1EC








unused #1ED








unused #1EE








unused #1EF








unused #1F0








unused #1F1








Matrix column 1, (LSB) #1F2 Rudak #1 to S Tx Rudak #1 to U Tx V Rx to Leila #2 V Rx to Leila #1 V Rx to K +S2 Tx V Rx to 3 cm Tx V Rx to S1 Tx V Rx to U Tx
Matrix column 1, (MSB) #1F3 not used column#, bit 2 = 0 column#, bit 1 = 0 column#, bit 0 = 1 Rudak #1 to Leila #2 Rudak #1 to Leila #1 Rudak #1 to K/S2 Tx Rukak #1 to 3cm Tx
Matrix column 2, (LSB) #1F4 U Rx to S1 Tx U Rx to V Tx 21/24 Mhz Rx to Leil#2 21/24 Mhz Rx to Leila#1 21/24 Mhz Rx to K/S2 Tx 21/24 Mhz Rx to 3cm Tx 21/24 Mhz Rx to S1 Tx 21/24 Mhz Rx to V Tx
Matrix column 2, (MSB) #1F5 not used column#, bit 2 = 0 column#, bit 1 = 1 column#, bit 0 = 0 U Rx to Leila#2 U Rx to Leila#1 U Rx to K/S2 Tx U Rx to 3cm Tx
Matrix column 3, (LSB) #1F6 S1 Rx to U Tx S1 Rx to V Tx Leila#1 to Leila#2 Leila#1 to Leila#1 (? used) Leila#1 to K/S2 Tx Leila#1 to 3 cm Tx Leila#1 to U Tx Leila#1 to V Tx
Matrix column 3, (MSB) #1F7 not used column#, bit 2 = 0 column#, bit 1 = 1 column#, bit 0 = 1 S1 Rx to Leila#2 S1 Rx to Leila#1 S1 Rx to K/S2 Tx S1 Rx to 3 cm Tx
Matrix column 4, (LSB) #1F8 Leila#2 to U Tx Leila#2 to V Tx Rudak#2 to Leila#2 Rudak#2 to Leila#1 Rudak#2 to K/S2 Tx Rudak#2 to S1 Tx Rudak#2 to U Tx Rudak#2 to V Tx
Matrix column 4, (MSB) #1F9 not used column#, bit 2 = 1 column#, bit 1 = 0 column#, bit 0 = 0 Leila#2 to Leila#2 (?used) Leila#2 to Leila#1 Leila#2 to K/S2 Tx Leila#2 to S1 Tx
Matrix column 5, (LSB) #1FA GB to U Tx GB to V Tx EB to Leila #2 EB to Leila#1 EB to 3 cm Tx EB to S1 Tx EB to U Tx EB to V Tx
Matrix column 5, (MSB) #1FB not used column#, bit 2 = 1 column#, bit 1 = 0 column#, bit 0 = 1 GB to Leila#2 GB to Leila#1 GB to 3 cm Tx GB to S1 Tx
Matrix column 6, (LSB) #1FC MB to U Tx MB to V Tx L2 Rx to Leila#2 L2 Rx to K/S2 Tx L2 Rx to 3 cm Tx L2 Rx to S1 Tx L2 Rx to U Tx L2 Rx to V Tx
Matrix column 6, (MSB) #1FD not used column#, bit 2 = 1 column#, bit 1 = 1 column#, bit 0 = 0 MB to Leila#2 MB to K/S2 Tx MB to 3 cm Tx MB to S1 Tx
Matrix column 7, (LSB) #1FE L1 Rx to U Tx L1 Rx to V Tx C/S2 Rx to Leila#1 C/S2 Rx to K/S2 Tx C/S2 Rx to 3 cm Tx C/S2 Rx to S1 Tx C/S2 Rx to U Tx C/S2 Rx to V Tx
Matrix column 7, (MSB) #1FF not used column#, bit 2 = 1 column#, bit 1 = 1 column#, bit 0 = 1 L1 Rx to Leila#1 L1 Rx to K./S2 Tx L1 Rx to 3 cm Tx L1 Rx to S1 Tx