USER MANUAL :
DOCUMENT NAME
1.8
Connections
Connections are available on a series of terminal connectors labelled from 1 to 22.
These connections are as follows:
1. External Power Supply / Solar system ground (optional)
2. External 12V Power Supply / Solar system
3. Digital output connection (switch to ground)
4. Ground connection for the digital output
5. 24V 30mA max power generator output (used for powering a current loop device)
6. Ground for the 24V generator
7. Negative connection for 4-20mA isolated loop input
8. Positive connection for 4-20mA isolated loop input
9. Pulse 1 input
10. Ground for Pulse 1 input
11. Ground for Pulse 1 output (pulse splitter output)
12. Pulse 1 pulse splitter output (switch to ground)
13. Pulse 2 input
14. Ground for Pulse 2 input
15. Ground for Pulse 2 output (pulse splitter output)
16. Pulse 2 pulse splitter output (switch to ground)
17. Digital input
18. Ground for digital input
19. ECO interface TX line
20. ECO interface RX line
21. ECO interface ground line
22. Earthing connection ECO interface input (transient voltage protection)
MANUAL : CDS541 CUMULUS PULSE LOGGER
NAME
CLASSIFICATION
DATE
PAGE
Connections are available on a series of terminal connectors labelled from 1 to 22.
ground (optional)
/ Solar system (optional)
onnection (switch to ground)
5. 24V 30mA max power generator output (used for powering a current loop device)
20mA isolated loop input
20mA isolated loop input
11. Ground for Pulse 1 output (pulse splitter output)
(switch to ground)
15. Ground for Pulse 2 output (pulse splitter output)
16. Pulse 2 pulse splitter output (switch to ground)
input (transient voltage protection)
PAGE
