Teledyne 6000B - Photometric analyzer - Manual (Page 24)

2 Installation Model 6000B
2-10: Part I
Teledyne Analytical Instruments
The data sent is status information, in digital form, updated every two
seconds. Status is reported in the following order:
• The concentration in percent
• The range is use (HI< MED< LO)
• The span of the range 0-100%, etc)
• Which alarm - if any - are disabled (AL-x DISABLED)
• Which alarms - if any - are tripped (AL-x ON)
Each status output is followed by a carriage return and line feed.
Three input functions using RS-232 have been implemented to date.
They are described in Table 2-4.
Table 2-4: Commands via RS-232 Input
Command Description
as Immediately starts an autospan.
az Immediately starts an autozero.
st Toggling input. Stops/Starts any status message output
from the RS-232, Until st is sent again.
The RS-232 protocol allows some flexibility in its implementation.
Table 2-5 lists certain RS-232 values that are required by the 6110B.
Table 2-5: Required RS-232 Options
Parameter Setting
Baud 2400
Byte 8 bits
Parity none
Stop Bits 1
Message Interval 2 seconds
Remote Bench and Solenoid Valves: The 6000B is a single-chassis
instrument. However, the REMOTE BENCH and SOLENOID RETURN
connectors are provided on the interface PCB. The Remote Bench is wired
at the factory as well as any optional solenoid valves included in the system.