Intelligent inputs (if installed), System monitors, Controls – ADS Environmental Services Spider QR 775010 A0 User Manual
Page 15: Intelligent inputs ( if installed )

ADS Environmental Services ADS Spider User Manual
Page 13
All native input types may be logged and/or used to trigger alarms.
Please refer to Appendix A: ADS Spider Inputs on page 83 for a
summary of native input types, their specifications, and typical uses.
Intelligent Inputs (if installed)
Intelligent sensors are connected to Spider auxiliary connectors.
Please refer to Physical Connections beginning on page 19 for
details.
Currently, the Spider supports SDI-12 intelligent inputs, described in
Appendix I: SDI-12 Operation (if SDI-12 interface is installed)on
page 108.
System Monitors
Each Spider is fitted with 3 System Monitors:
1. System Temperature
–
measures temperature inside the
Spider enclosure
2. Battery Voltage
–
measures the voltage of an external battery
connected to the battery connector
3. Battery Charger Status
–
gives the current state of the battery
charger (ON or OFF)
System monitors can be used in the same way as inputs (i.e., they
may be logged and/or used to trigger alarms).
Controls
The ADS Spider provides eight controls on two multi-pole connectors.
Each multi-pole connector accepts four controls. Controls are labeled
CN1 through CN8, and each is provided with two screw terminals
internally connected to a relay. In the inactive state, the two terminals
are open-circuit. Upon activation, the relay switches and the terminals
are shorted together. Controls can be activated manually through an
active alarm and/or a programmable, built-in timer. Each control has