Advantech AWMA – C250 Installation And Operating Manual page 40

11. '1' - A message is available / '0'- no messages
12. '1' - A request to go LOCAL was issued / '0'- no event
13. '1' - Computer interface in control / '0'- Hardware interface in control (if byte #9 is a '1')
F3 - Requests alarm or fault message. No message bytes are shown if no message is available.
See 'F2' response byte 11.
F4 - Requests various parameters. After disregarding the header, 'P' indicates this is a parameter
response;
'A' is followed by an attenuation level (20.0 dB on power-up)
'C' is followed by supply current
'M' is followed by user threshold in dBm
'O' is followed by output power in dBm
'R' is followed by reflected power in dBm
'TM' is followed by power module's hot spot temperature in Celsius
'TS' is followed by shroud temperature in Celsius
F5 - Resets faults and restarts the unit for all alarm conditions except over temperature (which
restarts by itself when the unit cools down).
F6 - MUTE the unit.
F7 - Brings the amplifier back to its pre-MUTE state.
F8 - Sets the attenuator level. For 0 dB level enter 0, for 15 dB enter 150, for 20 dB enter 200.
(0.1 dB steps, no decimal required).
F9 - Selects the unit. Any value between 0 and 15. (Default: 0)
F10 - 'MORE' goes to next menu (screen) page.
AWMA-C250
Page 39