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Teledyne API - Model T200H/T200M Operation Manual Operating Instructions
177
4.15.4.2. Hessen Com Port Configuration
Hessen protocol requires the communication parameters of the T200H/M’s com ports to
be set differently than the standard configuration as shown in the table below.
Table 4-34: RS-232 Communication Parameters for Hessen Protocol
Parameter Standard Hessen
Data Bits 8 7
Stop Bits 1 2
Parity None Even
Duplex Full Half
Note Ensure that the communication parameters of the host computer are
properly set
Be aware that the instrument software has a 200 ms latency response to
commands issued by the host computer.
Operation via modem is not available over any com port on which
HESSEN protocol is active.
The first step in configuring the T200H/M to operate over a Hessen protocol network is
to activate the Hessen mode for com ports and configure the communication parameters
for the port(s) appropriately. Press:
SETUP X.X PRIMARY SETUP MENU
CFG DAS RNGE PASS CLK MORE EXIT
SAMPLE A1:NXCNC1=100PPM NOX=XXX.X
< TST TST > CAL SETUP
SETUP X.X SECONDARY SETUP MENU
COMM VARS DIAG ALRM EXIT
SETUP X.X COMMUNICATIONS MENU
ID COM1 COM2 EXIT
SETUP X.X COM1 MODE:0
SET> EDIT EXIT
Continue pressing next until …
Select which COMM
port to configure
SETUP X.X COM1 QUIET MODE: OFF
NEXT OFF ENTR EXIT
SETUP X.X COM1 HESSEN PROTOCOL : ON
PREV NEXT ON ENTR EXIT
SETUP X.X COM1 HESSEN PROTOCOL : OFF
PREV NEXT OFF ENTR EXIT
ENT
R
buttonaccepts the
new settings
EXIT key ignores the new
settings
The sum of the mode
IDs of the selected
modes is displayed
here
SETUP X.X COM1 E,7,1 MODE: ON
PREV NEXT ON ENTR EXIT
SETUP X.X COM1 E,7,1 MODE: OFF
PREV NEXT OFF ENTR EXIT
Toggle OFF/ON
buttons to change
activate/deactivate
selected mode.
Repeat the
entire process to
set up the
COM2 port
07270B DCN6512