Campbell Scientific PVS4100/4120/4150 Portable Automatic Samplers - Manual (Page 20)

Section 1. Product Overview
1-12
1.3.4 Controller Specifications
TABLE 1-7. Controller Specifications
Feature Function Capability
START DELAY Disabled No start delay.
Time/Day Adjustable, up to 1 week in advance.
Pulse Count Adjustable, up to 9,999,999.
4-20mA Adjustable, up to 9,999,999 (4-20mA = 0-100 Pulses/min).
External Contact Momentary, 25 millisecond dry contact closure.
Level Control Adjustable up to 99 second contact duration.
SAMPLE INITIATION Disabled No sample initiation.
Interval Time Adjustable up to 999 hours, 99 minutes
Pulse Count Adjustable, up to 9,999,999.
4-20mA Adjustable, up to 9,999,999 (4-20mA = 0-100 Pulses/min).
External Contact Momentary, 25 millisecond dry contact closure.
PROGRAM TYPE Composite Terminate after up to 9,999,999 samples.
Multi-Composite Adjustable, up to 99 cycles per bottle.
Consecutive Adjustable, up to 9 bottles per cycle.
Daily Cycle Adjustable, up to 9 bottles per day.
Timed Step Adjustable, up to 99 hours, 99 minutes per step.
CLOCK Real Time Clock Real time operating system.
PINCH VALVE Sample release Adjustable, normally open / normally closed.
PURGE CYCLE Draw and purge time Adjustable, 1 to 99 seconds.
SUCTION CYCLE Variable Adjusts automatically to double the value of the purge time setting or
until liquid contacts level electrode in metering chamber.
Vacuum System pressure range is -14 psi to +20 psi, which can be shown on
the Optional Pressure Gauge.
ALARM OUTPUTS Independent Container Full (Latched. Any key resets. NPN*)
Sample Fault (Latched. Any key resets. NPN*)
Cycle Abandoned (Pulsed. NPN*)
*NPN (sinking) – see Technical Appendix for details.
STATUS OUTPUTS Independent Sample Taken (DC relay driver, sinking)
DIRECT FUNCTION
KEYS Manual Sample Samples manually when pressed twice. Does not interrupt program.
Manual Purge Purges system during second press as long as button is pressed.
Manual Bottle Advance Moves distributor arm to next bottle.
Restart Re-initiates program when pressed twice.
AVAILABLE
DISPLAYS Real-Time Clock
Process Timing Elapsed, remaining.
Process Totals
Pulse Counting Internal/external.
Event Response With time stamp.
Multi-Level
Descriptions
Flashing Text
AUTOMATIC
DISPLAYS Container Full Sample program complete.
Fault Program not completed.
Power Interrupt –
Program Resumed
Alternating Time Stamp
Cycle(s) Abandoned