9
I/O module (option)
Digital input (DI)
An external power supply (16~30 V DC – max load 2 mA) is required for the
digital inputs. DI can be used as a pulse counter to monitor switch status or to
monitor event sequences.
Digital output (DO)
Two modes available: alarm output and energy pulse output. One module can only
support one mode at a time. In alarming mode, conditions can be set using the
utility software. In energy pulse mode, output parameters can be set from the unit
front or from the utility software (voltage 20~160 V AC/DC, max. load 100 mA).
Relay output (RO)
Two modes available: control (latch or pulse) and alarm output (latch only).
One module can only support one mode at a time. In control mode, relays can be
switched on and off from the utility software. In alarming mode, conditions can be
set using the utility software (max voltage 250 V AC/30 V DC, load 3 A).
Analogue input (AI)
Each module supports 4-20 mA or 0-20 mA current input. Tracking object and
upper/lower limit can be set from the front panel control keys or from the utility
software.
Analogue output (AO)
Each module supports 4-20 mA or 0-20 mA current output. Settings can be set
from the front panel control keys or from the utility software.
Power supply for DI
24 V isolated power supply is used as an auxiliary power supply for digital inputs.
Output current 42 mA load, Max 21 X Digital Input (DI).
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