USER MANUAL : CDS552 CIRRUS LOOP LOGGER
DOCUMENT NAME
CLASSIFICATION
DATE
PAGE
CDS552 CIRRUS LOOP LOGGER USER
MANUAL
CONFIDENTIAL
15-JUL-21
8 OF 29
In order to reset the Bluetooth interface, with the housing open, please follow the below procedure.
Remove all power from the logger - remember to remove the batteries if external power is present.
Press and hold the Bluetooth reset button.
Power up the logger again while holding the button. Bluetooth LED will be on confirming the button has been
pressed.
Once the Red Status LED comes on again, the button can be released.
This will now reset the Bluetooth interface.
1.7
Connections
Connections are available on a series of 10 terminal connectors.
These connections are as follows:
1. External Power Supply / Solar system ground (optional)
2. External 12V Power Supply / Solar system (optional)
3. 24V 30mA max power generator output (used for powering a current loop device)
4. Ground for the 24V generator
5. Isolated negative connection for 4-20mA isolated loop input
6. Isolated positive connection for 4-20mA isolated loop input
7. Pulse input 1 positive
8. Pulse input 1 ground
9. Pulse input 2 positive
10. Pulse input 2 ground
