5.1.1.1 User Setup A: Display range select
This parameter allows the user to map the display and electrical output range scale of the Model 7100E to
suit the application (Appendix E – Range / Output Chart).
Valid Settings: 1 (fixed range 0-10 PPM) • 2 (fixed range 0-100 PPM) • 3 (fixed range 0-1000 PPM) • 4
(fixed range0-2000 PPM) • 8 (full auto-range)
5.1.1.2 User Setup 1: Alarm-1 relays ascending/descending action
This parameter allows the user to set the Alarm-1 relay action to ascending (the relay is set to its active
state when the oxygen level is above the Alarm-1 level set point) or to descending (the relay is set to its
active state when the oxygen level is below the Alarm-1 level set point).
Valid Settings: 0 (Descending) • 1 (Ascending)
5.1.1.3 User Setup 2: Alarm-2 relays ascending/descending action
This parameter allows the user to set the Alarm-2 relay action to ascending (the relay is set to its active
state when the oxygen level is above the Alarm-2 level set point) or to descending (the relay is set to its
active state when the oxygen level is below the Alarm-2 level set point).
Valid Settings: 0 (Descending) • 1 (Ascending)
5.1.1.4 User Setup 3: Analog voltage output setting
This parameter allows the user to set the Analog Output Voltage full scale to 1, 5, or 10 volts. Note that
the software settings must match the RA and RB jumper settings on the Main CPU PCB (section 4.1.3).
Valid Settings: 0 (0-5 VDC) • 1 (0-10 VDC), 2 (0-1 VDC)
5.1.1.5 User Setup 4: Serial output format
This parameter allows the user to set the RS-232 communications timed output format.
Valid Settings: 0 (Output on Request) • 1 (Human Readable) • 2 (Machine Code) • 3 (Machine Code with
Checksum) • 4 (Tab Delimited)
5.1.1.6 User Setup 7: Set assume low-end calibration range code
The zero calibration range code allows the user to set the “low-span” calibration concentration range for
the Model 7100E two-point calibration system. During calibration, the Model 7100E analyzer will
recognize an applied calibration gas as a “zero-range” calibration gas without further user action if its
oxygen concentration is within the range set in by zero calibration code. Refer to section 3.2.1 for a
detailed explanation of the calibration system.
Valid Settings: 0 (single point calibration) • 3 (0-5 PPM) • 4 (0-50 PPM) • 5 (0-500 PPM)
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