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1892 1335 - Orion Radio Modem Operating Instructions - v1.3 / Aug 2006 31
Messages from Base Station to Outstation:
04 IDS IDD 20 CH
Poll outstation IDD
Note: IDS = 0 for base station
04 IDS IDD 21 nn tt dd ss CH
Set input trigger state for digital input port nn
Logic 1 in byte tt = send alarm message, 0 = don’t
Dwell time dd, (1 -255)*10ms, (0 = no dwell time)
Logic 0 in byte ss indicates a High to Low change
Logic 1 in byte ss indicates a Low to High change
04 IDS IDD 22 nn cc llll dd ss
CH
Set analogue input set by bit in byte nn to:
Analogue input type: cc = 1, 20mA; cc = 2, 0 - 5V; cc = 3; 0 -
10V
ADC trip level ll, 1 - 1024, (0 = no trip level)
Note: if trip level = 0, no alarm message sent
Dwell time dd, (1 -255)*10ms, (0 = no dwell time)
If bit 0 in byte ss = 1 then alarm sent if above trip level
If bit 0 in byte ss = 0 then alarm sent if below trip level
04 IDS IDD 23 nn mmmm CH
Set analogue output port nn to ADC value mmmm
04 IDS IDD 24 nn CH
Set digital outputs:
Logic 0 in byte nn indicates output = Low
Logic 1 in byte nn indicates output = High
04 IDS IDD 25 pp dd CH
Enable/Disable pulse count input:
If pp = 1, enable pulse count (Input bit 1) with Dwell time dd, (1 -
255)*10ms, (0 = no dwell time)
If bit 0 of pp = 0, disable pulse count (Input bit 1)
04 IDS IDD 26 bbbb CH
Set battery trip level to ADC value bbbb (1 to 1023, where 1023
= 50VDC)
04 IDS IDD 27 CH
Store config in EEPROM
04 IDS IDD 28 aa ff CH
Set channel of outstation to value ff (0 to 99) where aa is + or -
from centre frequency.
Channel change will occur after acknowledge message
received.
04 IDS IDD 29 bb CH
Set TX power to level bb
If bb = 0 then LOW, if bb = 1 then HIGH
04 IDS IDD 30 bbbb CH
Set Pulse Counter alarm trip level (1 to 1023)
04 IDS IDD 31 nn CH
Read setup for digital input port nn
04 IDS IDD 32 nn CH
Read setup for analogue input port nn
04 IDS IDD 33 CH
Read Pulse Counter alarm level
04 IDS IDD 40 CH
Read analogue input ADC level for all ports
04 IDS IDD 41 CH
Read state of digital inputs
04 IDS IDD 42 nn CH
Read analogue input ADC value for port nn