Teledyne BDS-3000 - Oxygen analyzer - Manual (Page 20)

Introduction BDS 3000
Teledyne Analytical Instruments 6
• Alarm Connections 2 concentration alarms and 1
system alarm.
• RS-232 Port Serial digital concentration signal
output and control input.
• Remote Probe Used in the BDS 3000 for
controlling external solenoid
valves only.
• Remote Span/Zero Digital inputs allow external
control of analyzer calibration.
• Calibration Contact To notify external equipment that
instrument is being calibrated and
readings are not monitoring
sample.
• Range ID Contacts Four separate, dedicated, range
relay contacts. Low, Medium,
High, Cal.
• Network I/O Serial digital communications for
local network access. For future
expansion. Not implemented at this
printing.
Note: If you require highly accurate Auto-Cal timing, use external
Auto-Cal control where possible. The internal clock in the
Model BDS 3000 is accurate to 2-3 %. Accordingly,
internally scheduled calibrations can vary 2-3 % per day.