Operation Manual

Continuous valve actuator CHEOPS control
theben
As of: Jul-11 (Subject to change without notice) Page 7 of 71
1.3 Hardware versions
There are 2 hardware versions of Cheops, up to 2008 and from 2008, with some different
features.
The version up to 2008 (left) has two circuit boards mounted at right-angles to each other.
The version from 2008 (right) only has one circuit board.
The different features of the two versions are indicated in this manual by "up to 2008"
and "from 2008".
Distributed software (firmware) versions (displayed by the LEDs see Reading the software
version number):
Devices up to 2008
Devices from 2008
V110
V121
V44 since March 2008
V63 since December 2008