WSR-88D DCU BITE Packets
RCP8 generates this BITE packet when the WSR-88D DCU pedestal interface has been enabled. The
identification byte is selectable to avoid conflicts with other BITE packets. The S number after each table
entry is the numbered status variable that is driven by the respective bit. Most bits in the
BITE packet are copies of their DCU counterparts (with
their original word and bit numbers shown in parenthesis). However, S110
... S119 are supplied by RCP8.
| Char | Function |
|---|---|
| 1 | SYNC Byte (C0 Hex) |
| 2 | Identification byte (User Choice) |
| 3 | WSR-88D DCU Status and Fault Conditions |
| D6 = (1/6) Elev Axis Enc Light Source Monitor (S70) | |
| D5 = (1/5) Spare (S69) | |
| D4 = (1/4) Elevation Axis minus Normal Limit (S68) | |
| D3 = (1/3) Elevation Axis plus Normal Limit (S67) | |
| D2 = (1/2) Spare (S66) | |
| D1 = (1/1) Elevation Axis Deal Limit (S65) | |
| D0 = (1/0) Elevation Axis PCU Data Parity (S64) | |
| 4 | WSR-88D DCU Status and Fault Conditions |
| D6 = (1/14) Elevation Axis Motor Over Temp. (S77) | |
| D5 = (1/13) +150 V Under Voltage (S76) | |
| D4 = (1/12) +150 V Over Voltage (S75) | |
| D3 = (1/11) EL Axis Servo Amp Over Temp (S74) | |
| D2 = (1/10) EL Axis Servo Amp Short Circuit (S73) | |
| D1 = (1/9) Elevation Axis Servo Amp Inhibit (S72) | |
| D0 = (1/7) Elevation Axis Gearbox Oil Level (S71) | |
| 5 | WSR-88D DCU Status and Fault Conditions |
| D6 = (2/5) Elevation Handwheel Engaged (S84) | |
| D5 = (2/4) Spare (S83) | |
| D4 = (2/3) Azimuth Axis Bull Gear Oil Level (S82) | |
| D3 = (2/2) Azimuth Axis Gearbox Oil Level (S81) | |
| D2 = (2/1) Azith Axis Encoder Light Source Mon (S80) | |
| D1 = (2/0) Azimuth Axis PCU Data Parity (S79) | |
| D0 = (1/15) Elevation Axis Stow Pin Engaged (S78) | |
| 6 | WSR-88D DCU Status and Fault Conditions |
| D6 = (2/13) Spare (S91) | |
| D5 = (2/12) Spare (S90) | |
| D4 = (2/11) AZ Axis Servo Amp Over Temp (S89) | |
| D3 = (2/10) AZ Axis Servo Amp Short Circuit (S88) | |
| D2 = (2/9) Azimuth Axis Servo Amp Inhibit (S87) | |
| D1 = (2/7) Spare (S86) | |
| D0 = (2/6) Azimuth Handwheel Engaged (S85) | |
| 7 | WSR-88D DCU Status and Fault Conditions |
| D6 = (3/4) Spare (S98) | |
| D5 = (3/3) Spare (S97) | |
| D4 = (3/2) Spare (S96) | |
| D3 = (3/1) Spare (S95) | |
| D2 = (3/0) Spare (S94) | |
| D1 = (2/15) Azimuth Axis Stow Pin Engaged (S93) | |
| D0 = (2/14) Azimuth Axis Motor Over Temp (S92) | |
| 8 | WSR-88D DCU Status and Fault Conditions |
| D6 = (3/12) Azimuth Axis Servo Amp PS (S105) | |
| D5 = (3/11) Spare (S104) | |
| D4 = (3/10) Spare (S103) | |
| D3 = (3/9) Spare (S102) | |
| D2 = (3/7) Spare (S101) | |
| D1 = (3/6) Spare (S100) | |
| D0 = (3/5) Spare (S99) | |
| 9 | WSR-88D DCU Status and Fault Conditions |
| D6 = Spare (S112) | |
| D5 = Spare (S111) | |
| D4 = Spare (S110) | |
| D3 = DCU Timeout (From DCU antenna record) (S109) | |
| D2 = (3/15) Ped Interlock (S108) | |
| D1 = (3/14) Servo Off (S107) | |
| D0 = (3/13) Elevation Axis Servo Amp PS (S106) | |
| 10 | WSR-88D DCU Status and Fault Conditions |
| D6 = No ANT record received for 0.5 seconds (S119) | |
| D5 = No BIT record received for 2.5 seconds (S118) | |
| D4 = Spare (S117) | |
| D3 = Spare (S116) | |
| D2 = Spare (S115) | |
| D1 = Spare (S114) | |
| D0 = Spare (S113) | |
| 11 | END OF MESSAGE (FF Hex) |
| Char | Function |
|---|---|
| 1 | SYNC Byte (C0 Hex) |
| 2 | Identification byte (User Choice) |
| 3 | WSR-88D DCU Status and Fault Conditions |
| D6 = (1/6) Elev Axis Enc Light Source Monitor (S70) | |
| D5 = (1/5) Elev Axis Final plus Limit (S69) | |
| D4 = (1/4) Elevation Axis minus Normal Limit (S68) | |
| D3 = (1/3) Elevation Axis plus Normal Limit (S67) | |
| D2 = (1/2) Elevation Axis Final minus Limit (S66) | |
| D1 = (1/1) Spare (S65) | |
| D0 = (1/0) Spare (S64) | |
| 4 | WSR-88D DCU Status and Fault Conditions |
| D6 = (1/14) Elevation Axis Motor Over Temp. (S77) | |
| D5 = (1/13) +150 V Under Voltage (S76) | |
| D4 = (1/12) +150 V Over Voltage (S75) | |
| D3 = (1/11) EL Axis Servo Amp Over Temp (S74) | |
| D2 = (1/10) EL Axis Servo Amp Short Circuit (S73) | |
| D1 = (1/9) Elevation Axis Servo Amp Inhibit (S72) | |
| D0 = (1/7) Elevation Axis Gearbox Oil Level (S71) | |
| 5 | WSR-88D DCU Status and Fault Conditions |
| D6 = (2/5) Elevation Handwheel Engaged (S84) | |
| D5 = (2/4) Elevation Housing 5 V status (S83) | |
| D4 = (2/3) Azimuth Axis Bull Gear Oil Level (S82) | |
| D3 = (2/2) Azimuth Axis Gearbox Oil Level (S81) | |
| D2 = (2/1) Azimuth Axis Encoder Light Source Mon (S80) | |
| D1 = (2/0) Spare (S79) | |
| D0 = (1/15) Elevation Axis Stow Pin Engaged (S78) | |
| 6 | WSR-88D DCU Status and Fault Conditions |
| D6 = (2/13) Azimuth Housing 5 V status (S91) | |
| D5 = (2/12) Spare (S90) | |
| D4 = (2/11) AZ Axis Servo Amp Over Temp (S89) | |
| D3 = (2/10) AZ Axis Servo Amp Short Circuit (S88) | |
| D2 = (2/9) Azimuth Axis Servo Amp Inhibit (S87) | |
| D1 = (2/7) Spare (S86) | |
| D0 = (2/6) Azimuth Handwheel Engaged (S85) | |
| 7 | WSR-88D DCU Status and Fault Conditions |
| D6 = (3/4) Spare (S98) | |
| D5 = (3/3) Spare (S97) | |
| D4 = (3/2) Spare (S96) | |
| D3 = (3/1) Spare (S95) | |
| D2 = (3/0) Spare (S94) | |
| D1 = (2/15) Azimuth Axis Stow Pin Engaged (S93) | |
| D0 = (2/14) Azimuth Axis Motor Over Temp (S92) | |
| 8 | WSR-88D DCU Status and Fault Conditions |
| D6 = (3/12) Azimuth Axis Servo Amp PS (S105) | |
| D5 = (3/11) Spare (S104) | |
| D4 = (3/10) Spare (S103) | |
| D3 = (3/9) Spare (S102) | |
| D2 = (3/7) Spare (S101) | |
| D1 = (3/6) Spare (S100) | |
| D0 = (3/5) Spare (S99) | |
| 9 | WSR-88D DCU Status and Fault Conditions |
| D6 = Spare (S112) | |
| D5 = Spare (S111) | |
| D4 = Spare (S110) | |
| D3 = Spare (S109) | |
| D2 = (3/15) Ped Interlock (S108) | |
| D1 = (3/14) Servo Off (S107) | |
| D0 = (3/13) Elevation Axis Servo Amp PS (S106) | |
| 10 | WSR-88D DCU Status and Fault Conditions |
| D6 = Spare (S119) | |
| D5 = Spare (S118) | |
| D4 = Spare (S117) | |
| D3 = Spare (S116) | |
| D2 = Spare (S115) | |
| D1 = Spare (S114) | |
| D0 = Spare (S113) | |
| 11 | END OF MESSAGE (FF Hex) |
RCP8 generates this BITE packet when the WSR-88D DCU pedestal responds to a Self-Test1 command. Most bits in the BITE packet are copies of their DCU counterparts (with their original word and bit numbers shown in parenthesis).
| Char | Function |
|---|---|
| 1 | SYNC Byte (C0 Hex) |
| 2 | Identification byte (User Choice) |
| 3 | D6 = (1/6) Az Command loopback |
| D5 = (1/5) Az Command loopback | |
| D4 = (1/4) Az Command loopback | |
| D3 = (1/3) Az Command loopback | |
| D2 = (1/2) Az Command loopback | |
| D1 = (1/1) Az Command loopback | |
| D0 = (1/0) Az Command loopback | |
| 4 | D6 = (1/13) Az Command loopback |
| D5 = (1/12) Az Command loopback | |
| D4 = (1/11) Az Command loopback | |
| D3 = (1/10) Az Command loopback | |
| D2 = (1/9) Az Command loopback | |
| D1 = (1/8) Az Command loopback | |
| D0 = (1/7) Az Command loopback | |
| 5 | D6 = (2/4) El Command loopback |
| D5 = (2/3) El Command loopback | |
| D4 = (2/2) El Command loopback | |
| D3 = (2/1) El Command loopback | |
| D2 = (2/0) El Command loopback | |
| D1 = (1/15) Az Command loopback | |
| D0 = (1/14) Az Command loopback | |
| 6 | D6 = (2/11) El Command loopback |
| D5 = (2/10) El Command loopback | |
| D4 = (2/9) El Command loopback | |
| D3 = (2/8) El Command loopback | |
| D2 = (2/7) El Command loopback | |
| D1 = (2/6) El Command loopback | |
| D0 = (2/5) El Command loopback | |
| 7 | D6 = Spare |
| D5 = Spare | |
| D4 = Spare | |
| D3 = (2/15) El Command loopback | |
| D2 = (2/14) El Command loopback | |
| D1 = (2/13) El Command loopback | |
| D0 = (2/12) El Command loopback | |
| 8 | END OF MESSAGE (FF Hex) |
RCP8 generates this BITE packet when the WSR-88D DCU pedestal responds to a Self-Test2 command. Most bits in the BITE packet are copies of their DCU counterparts (with their original word and bit numbers shown in parenthesis).
| Char | Function |
|---|---|
| 1 | SYNC Byte (C0 Hex) |
| 2 | Identification byte (User Choice) |
| 3 | D6 = (1/6) AZ Power Amp |
| D5 = (1/5) Spare | |
| D4 = (1/4) Spare | |
| D3 = (1/3) Spare | |
| D2 = (1/2) Spare | |
| D1 = (1/1) Spare | |
| D0 = (1/0) Digital PWA | |
| 4 | D6 = (1/13) Spare |
| D5 = (1/12) El Encoder | |
| D4 = (1/11) AZ Encoder | |
| D3 = (1/10) El Motor | |
| D2 = (1/9) AZ Motor | |
| D1 = (1/8) Analog PWA | |
| D0 = (1/7) El Power Amp | |
| 5 | D6 = <unused> |
| D5 = <unused> | |
| D4 = <unused> | |
| D3 = <unused> | |
| D2 = <unused> | |
| D1 = (1/15) Spare | |
| D0 = (1/14) Spare | |
| 6 | END OF MESSAGE (FF Hex) |