INSTRUMENT MANUAL
VACUUM GAUGE MODEL MM200
160Phone:(215) 947-2500 fax:(215) 947-7464 e-mail:sales@televac.com web site:www.televac.com
MM-200_im REV M
Page 95 of 160
RS232/RS485 COMMAND SUMMARY
NOTE: All commands that do not require a response otherwise, respond with an "A" and a carriage return if
properly recognized. Whenever any command is not properly recognized, the Modular unit will respond with a
question mark, "?" followed by a carriage return. All other command responses end with a carriage return. All
"?<cr>" responses will be preceded by a letter indicating the reason for the rejection of the command. The
following list gives the definitions of those letters; all other command responses end with a carriage return.
A Atmospheric correction only allowed for 4A gauges
C A non number was where a number should have been.
D Disallowed, usually by the configuration of the unit.
L Value inputted was too large.
N Number not in range, or not a number.
O Input buffer overloaded
R Command not recognized.
S Wrong sensor type.
COMMAND RESPONSE
BURST MODE
BF<cr> Exit Burst Mode (can be stored).
BN<cr> Go to Burst Mode (can be stored).
BO<cr> Output Data in Burst Mode.
BRE<cr> Burst mode, RS485 & every parity.
BRO<cr> Burst mode, RS485 & odd parity.
SRE<cr> Like "BRE", except default only.
SRO(<cr> Like "BRO", except default only.
SRC<cr> Clears defaults for "SRE" and "SRO".
COLD CATHODE
CAE<cr> Changes mode of even station C/C gauge to AUTO.
CAO<cr> Changes mode of odd station C/C gauge to AUTO.
CBE<cr> Changes mode of even station C/C gauge to BOTH.
CBO<cr> Changes mode of odd station C/C gauge to BOTH.
CFE<cr> Turns off the high voltage to the even station C/C. CFO<cr> Turns off the high
voltage to the odd station C/C.
CNE<cr> Turns on the C/C gauge with an even station number. CNO<cr> Turns on the C/C
gauge with an odd station number.
CPF<cr> Cold cathodes are off at power up.
CPU<cr> Cold cathodes as previous at power up.
CSE<cr> Changes mode of even station C/C gauge to SELF.
CSO<cr> Changes mode of odd station C/C gauge to SELF.
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