TM 1–1520–238–T–3
9–11
9–44 SIGNAL NAME:
PYLON 1 MRTU TYPE II STATUS DISCRETE OUTPUT BIT
MEMORY LOCATION: 001653
MEMORY DATA BIT(S):
16
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates self–test status of 5 VDC discrete outputs.
REMARKS: From PYLON 1 MRTU Type II to FCC.
PASS:
If second digit on HOD is 1, 3, 5, or 7, go to paragraph 9–45.
FAIL: Location of fault: MUX L PYL OUTBD circuit breaker, wiring from MUX L PYL OUTBD circuit
breaker to PYLON 1 MRTU, PYLON 1 MRTU. Troubleshoot wiring to isolate fault
(TM 9–1230–476–20–2).
9–45 SIGNAL NAME:
PYLON 1 MRTU TYPE II STATUS DC ANALOG OUTPUT BIT
MEMORY LOCATION: 001653
MEMORY DATA BIT(S):
15
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates state of output DC analog circuits.
REMARKS: From PYLON 1 MRTU Type II to FCC.
PASS:
If second digit on HOD is 3 or 7, go to paragraph 9–46.
FAIL: Location of fault: MUX L PYL OUTBD circuit breaker, wiring from MUX L PYL OUTBD circuit
breaker to PYLON 1 MRTU, PYLON 1 MRTU. Troubleshoot wiring to isolate fault
(TM 9–1230–476–20–2).
9–46 SIGNAL NAME:
PYLON 1 MRTU TYPE II INPUT BIT STATUS
MEMORY LOCATION: 001653
MEMORY DATA BIT(S):
14
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates status of turn–on test of input circuitry.
REMARKS: From PYLON 1 MRTU Type II to FCC.
PASS:
If second digit on HOD is 7, go to paragraph 9–47.
FAIL: Location of fault: MUX L PYL OUTBD circuit breaker, wiring from MUX L PYL OUTBD circuit
breaker to PYLON 1 MRTU, PYLON 1 MRTU. Troubleshoot wiring to isolate fault
(TM 9–1230–476–20–2).
9–47 SIGNAL NAME:
PYLON 1 MRTU TYPE II A/D BIT STATUS
MEMORY LOCATION: 001653
MEMORY DATA BIT(S):
13
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates self–test status of analog to digital converter.
REMARKS: From PYLON 1 MRTU Type II to FCC.
PASS:
If third digit on HOD is 1, go to paragraph 9–48.
FAIL: Location of fault: MUX L PYL OUTBD circuit breaker, wiring from MUX L PYL OUTBD circuit
breaker to PYLON 1 MRTU, PYLON1 MRTU. Troubleshoot wiring to isolate fault
(TM 9–1230–476–20–2).
9–48 SIGNAL NAME:
PYLON 1 MRTU TYPE II SERIAL DIGITAL ERROR
MEMORY LOCATION: 001653
MEMORY DATA BIT(S):
10
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Monitors left outboard missile launcher.
REMARKS: From PYLON 1 MRTU Type II to FCC.
PASS:
If fourth digit on HOD is 0, go to paragraph 9–49.
FAIL: Location of fault: go to Chapter 8, paragraph 8–75.
