Wood and Douglas 1335, Operating Instructions Manual

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1892 1335 - Orion Radio Modem Operating Instructions - v2.9 / Aug 2009
Unit Supervision and Test
Command Parameters
Description Set Syntax Read
Syntax Parameter Description Value or
Range
Meaning of Values Default
Value
Master control of whether Outstation
may initiate transmission (spontaneous, ATS330=m ATS330? m Enable/inhibit 0 No transmissions may be
initiated
ack or alarm). 1 Transmissions may be initiated 1
Failsafe behaviour for whole unit ATS188=b ATS188? b Failsafe behaviour on 0 No failsafe action. 0
comms failure or low
battery
1 Failsafe dictated by setting on
individual outputs
Set alert output trigger source ATS337=s ATS337? s Code for source(s) 0 0 = never triggered 0
1 1 = Comms alarm
2 2 = Telemetry alarm
3 3 = both
Alert output ‘on’ period following trigger ATS336=t ATS336? t ‘On’ period 0 Alert output is not used 0
1 to 65535 Units of 10ms
Read supply level ATBL? Returned ADC level 0 - 1023 Proportional to supply voltage
High/Low PSU trip level ATS172=b,c,d,e ATS172? b ADC reading at or below 0 No alarm 0
which = alarm condition 1 - 1023 ADC reading (proportional to
voltage)
c ADC reading at or above 0 No alarm 0
which = alarm condition 1-1023 ADC reading (proportional to
voltage)
d Low PSU dwell time 0-255 time in units of 10ms 1
e High PSU dwell time 0-255 time in units of 10ms 1
RSSI (Received Signal Strength ATS156? - Returned value 0 - 1023 Proportional to RSSI
Indicator) for last message received. XX Not available
No. of acks or polls missed before
raising a Comms Alarm ATS184=n ATS184? n No of missed acks or
polls
1 to 10 Acks or polls 10
Max no. of retries if no ack received ATS185=n ATS185? n No. of attempts 1 to 7 Messages (inc first) 3
Output Preamble (Test mode) ATI2=b ATI2? b On or off 0 or 1 0 = off, 1 = on 0
Output test string (“The quick brown...”) ATI3=b ATI3? b On or off 0 or 1 0 = off, 1 = on 0
Period between repetitions of test
message switched by ATI3) ATS162=nnn ATS162? nnn Period between test
messages
1 to 255 period in units of 10ms 60
All test modes off ATI10=n ATI10? n All tests status 0 All tests off 0
1 (return
value only)
Some test(s) still active