Controller / User Interface | 4-23
RUN / CFG Mode – F4 Commands
Keystroke Term Denition
F4 • MBAddr Modicon Modbus
®
slave address – can be any value between 0–255. ‘0’ disables the
Modbus
®
communication. Addresses 1–127 select the RS-232 port and addresses 128–255
select the RS-422 port.
F4 – ComPara zn The setup parameters for the Baud Rate, Stop Bits, and Parity of the serial communication
port, where ‘z’ = 1..3 and where ‘n’ = 0..3.
n = 0..3 Baud Rate Stop Bits Parity
z = 1 z = 2 z = 3
0 9600 Invalid None
1 4800 1 Odd
2 2400 1.5 None
3 1200 2 Even
Note: Parameter changes must be saved to the EEPROM and the analyzer must be
resetforthechangestotakeeect.
To reset the analyzer, take all necessary safety precautions and then press
‘•’ and ‘Ent’ simultaneously.
F4 0 TStPtz ** The control Set Point for the four temperature zones, where ‘z’ = 1..4. If the Set Point is
‘0’, that zone is not used. The zones are:
1 = Sample Line
2 = Vent (sample return) Line
3 = ASR900 Probe (or SKO)
4 = Oven
F4 1 Kpz ** The Proportional term of the PID temperature control algorithm for each temperature
zone, where ‘z’ = 1..4.
1 = Sample Line (default = 10.00 %)
2 = Vent (sample return) Line (default = 10.00 %)
3 = ASR900 Probe, or SKO (default = 10.00 %; 0.00 % if not used)
4 = Oven (default = 10.00 %)
F4 2 Tiz ** The Integral term of the PID temperature control algorithm for each temperature zone,
where ‘z’ = 1..4.
1 = Sample Line (default = 1000.00 seconds)
2 = Vent (sample return) Line (optional, default = 1000.00 seconds)
3 = ASR900 Probe, or SKO (default = 1500.00 seconds; 0.00 seconds if not used)
4 = Oven (default = 5000.00 seconds)
F4 3 Tdz ** The dierential (Derivative) term of the PID temperature control algorithm for each tem-
perature zone, where ‘z’ = 1..4.
1 = Sample Line (default = 0 seconds)
2 = Vent (sample return) Line (optional, default = 0 seconds)
3 = ASR900 Probe, or SKO (default = 0 seconds)
4 = Oven (default = 0 seconds)
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