73
Model 4688-IR / Model 4679-IR
Operation & Maintenance Manual
Manual #087-0007G, 10/2003
Since there is no associated error checking, Scott Instruments strongly
recommends that this parameter not be set above 9 minutes. Setting the
IDR1 register to 0 cancels alarm inhibit. The set alarm inhibit timer function
does not affect the RFF bit in the STS register.
Sequence: IDR1={# of minutes}; FSR=12
Command (13): Zero-calibrate sensor
Command (13): Zero-calibrate sensor
Command (13): Zero-calibrate sensor
Command (13): Zero-calibrate sensor
Command (13): Zero-calibrate sensor
Sets the transmitter’s zero point. Does not use PSR or data registers. Care
must be taken to ensure that clean, zero-grade air is present at the sensor.
Updates the RFF bit in the STS register.
FSR=20
Command (30): Update real-time clock date
Command (30): Update real-time clock date
Command (30): Update real-time clock date
Command (30): Update real-time clock date
Command (30): Update real-time clock date
Synchronizes instrument date to host date. Does not use PSR register.
Updates the RFF bit in the STS register.
Sequence:
CDR1=0-99 (2 digit year)
CDR2= 1-12 (month)
CDR3=1-31 (day)
FSR=30
Command (31): Update real-time clock time
Command (31): Update real-time clock time
Command (31): Update real-time clock time
Command (31): Update real-time clock time
Command (31): Update real-time clock time
Synchronizes instrument time (military time) to host time. Does not use the
PSR register. Updates the RFF bit in the STS register.
Sequence:
CDR1=0-23 (hours)
CDR2= 1-59 (minutes)
CDR3=1-59 (seconds)
FSR=31
Command (40): T
Command (40): T
Command (40): T
Command (40): T
Command (40): Toggle password security on/off
oggle password security on/off
oggle password security on/off
oggle password security on/off
oggle password security on/off
Uses the password stored in IDR1 to toggle security on/off. Note that if the
password is incorrect, this function will not be successful. Updates both the
RFF and LCK bits in the STS register.
Sequence: FSR=40
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
