beautypg.com

Xylem CHATTER RTU and E-mail User Manual

Page 78

background image

USERS MANUAL

CHATTER™ DATA LOGGER

78

Active low, a voltage greater
than 2 V relative to GND is the
normal state, a voltage
between 2 V and 5 V relative
to GND generates an event or
alarm.

Active high, a voltage less
than 2 V relative to GND is the
normal state, a voltage
between 2 V and 5 V relative
to GND generates an event or
alarm.

The power supply for the
alarm switch is provided by
the Chatter™ Data Logger

Active low, voltage greater
than 2 V relative to GND is the
normal state, a voltage
between 2 V and 5 V relative
to GND generates an event or
alarm.

The power supply for the
alarm switch is provided by
the Chatter™ Data Logger

Take great care NOT to short-circuit the terminal 3V6-A to GND if you use it as a power source
for the digital inputs. It will cause irreparable damage to the Chatter™ Data Logger

Delay [sec]

Enter the number of seconds, you want the signal on the
digital input to be stable before the state is considered
valid.

The delay can be between 0 and 250 seconds.