Agilent Technologies 949-9360, User Manual

Page: 90 / 102

5
Technical Information
RS 232/RS 485 Communication Description
90/102 HS452, HS652 Rotary Vane Pumps User Manual / 87-900-978-01 (H)
Operational limits:
Tab. 10
Input Voltage (V) Controller status
< 85 Power fail
85 – 140 Operative
140 – 170 Power fail
170 – 270 Operative
> 270 Power fail
Status Led
Tab. 11
Led status Controller status
Off Stop
Green flashing
Ramp – Autotuning
Green Normal Operation
Red Fail
Slow red flashing (2 Hz)
Oil level fail
Quick red flashing (10 Hz) Oil level sensor fail
Off Reset + selftest
NOTE
When you switch the controller on an electronic self-test is performed, during
such phase you’ll see the led Orange for 1 sec. And turned off for two other
seconds. Immediately after the first phase the controller perform a specific test
on the pump rotor in order to be sure that it isn’t locked.