User's Manual

Serial communication protocol
TIME
193 TIME 12/12/1998 22:10:10 0
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FREQ
DESCRIPTION Sets/returns the operating frequency.
PARAMETERS The operating frequency and step (Hz), or none in the GET version.
RETURNS The actual frequency and step, in Hz.
REMARKS GET/SET.
REMOTE Yes, SET only.
EXAMPLE FREQ 433925000 25000
193 FREQ 0
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FREQ
193 FREQ 433925000 25000 0
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RSSI
DESCRIPTION Sets/returns the Relative Signal Strength Indicator threshold at which an RF
receiver must wake up.
PARAMETERS The threshold value, which is an unsigned char. For the A740, it can take values
from 0 to 255; it is typically factory set to 42.
RETURNS The instant RSSI value and the programmed threshold.
REMARKS GET/SET.
REMOTE No.
EXAMPLE RSSI 42
193 RSSI 0
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RSSI
193 RSSI 31 42 0
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Note: The values of the RSSI threshold have no units, they are arbitrary. However, a
value of 240 corresponds approximately to the maximum value allowed in the
addVANTAGE software (that is, 8 µV).
ID
DESCRIPTION Sets/returns the RTU’s ID.
PARAMETERS The node ID.
RETURNS The node ID.
REMARKS GET/SET.
REMOTE Yes, SET only.
EXAMPLE ID 4557
193 ID 0
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ID
4557 ID 4557 0
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