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 101 of 160
The same alternate as above is available for broadcast commands as was discussed above.
UNIT ADDRESSES BROADCAST COMMANDS
NO CODE NO CODE CODE COMMAND
1 0 17 V 1 BN Burst mode
2 3 18 Y 2 BE Blank echoes
3 5 19 Z 4 PE Even parity
4 6 20 c 7 PF Parity off
5 9 21 e 8 PO Odd parity
6 A 22 f C FA Inhibit some PBs
7 B 23 i E FE Enable all PBs
8 D 24 j F FI Inhibit some PBs
9 G 25 l I AH HC filament auto
10 H 26 o J EH Enable HC(no T/C)
11 K 27 q L FF Filament OFF
12 M28 r O FN Filament ON
13 N 29 t Q GF Degas OFF
14 P 30 w R GN Degas ON
15 S 31 x T PCA Control all relays
16 U W PUA Control no relays
X BN,BE,FA,FI
a DH Do Diagnostics
& hold results
NOTE: Codes are case sensitive.
RS232 COMMANDS USED TO IMPLEMENT RS485
"G2<cr>" Go to RS422 mode. The command is normally issued through the RS232 port.
RS422 requires use of the RS485 full duplex module. NOT YET AVAILABLE.
"G4<cr>" Go to the RS485 mode. This command is entered through the RS232 or RS422
port. This command also implements the following other command: BE. The MPU
is set up to interpret addresses and broadcast commands. The input is then
switched to the RS485 port. This mode will be aborted when any character is
received via the RS232 port.
"RA<cr>" Read the unit address.
"EAn<cr>" Set the unit address to "n", where "n" is the address code from the table above.
This address code may be stored using the "SE<cr>" command.
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