The I/O (Input/Output) Card; Wiring Digital Inputs - Mace HydroMace 3000 Product Manual

7.0 the I/O (Input/Output) card

The I/O card (module) supplied in the HydroMace 3000 provides the
inputs for connecting environmental monitoring sensors and outputs for
connection to ancillary devices.
The input and output terminals available on each I/O card are shown in the
diagram below.
MaCe recommends the user studies the relevant documentation
supplied with each third party sensor prior to connection
WarNINg: the maximum system current available for powering sensors
attached to aLL I/O cards is 1.25 amps at 12VDC
WarNINg: the maximum input voltage on any terminal is 30VDC
I/O CARD DIAGRAM
TERMINALS
Should insufficient I/O be available on a single I/O card another card
(part No. 850-329) should be purchased. hydroMace 3000 supports a
maximum of five I/O cards
14 SeCtion a Hardware Manual

8.0 Wiring digital inputs

8.1 Frequency Input
Each I/O card provides up to two frequency inputs for connecting devices
such as ultrasonic depth sensors and/or flow meters. The frequency input
terminals available on each I/O card are shown in the diagram below.
NOte: If a frequency input is wired a shaft encoder input is not
available
8.2 Digital or Counter Input
Each I/O card provides up to three digital inputs or one counter input
for connecting devices such as rainfall gauges, hours run meters and/or
counting pulses. The digital/counter input terminals available on each I/O
card are shown in the diagram below.
NOte: If a shaft encoder input is wired only a single
digital/counter input is available
RetuRn to toC RetuRn to toC
FREQUENCY INPUT DIAGRAM
DIGITAL OR COUNTER INPUT DIAGRAM
FREQUENCY INPUT DIAGRAM
SHAFT ENCODER INPUT DIAGRAM
DIGITAL OR COUNTER INPUT DIAGRAM
SHAFT ENCODER INPUT DIAGRAM
MaCe HydRoMaCe 3000 Product Manual 15