V 2 0 0 - 1 8 - E 4 X B
S n a p - i n I / O M o d u l e
6 / 0 5
12
Unitronics
Transistor Outputs
Number of outputs
17 (in two groups). See Note 5.
Output type
Outputs #0 and #1
pnp: P-MOSFET (open drain)
npn: N-MOSFET (open drain)
Each can be individually set as pnp (source) or npn (sink) via wiring and
jumper settings
Outputs #2 to #16
pnp: P-MOSFET (open drain)
Galvanic isolation
Transistor outputs to bus
Yes
Transistor outputs to
transistor outputs
No
Group to group
No
Output current
pnp: 0.5A maximum per output, total maximum current for each group: 3A.
npn: 50mA maximum per output
Maximum frequency
Resistive load
20Hz
Inductive load
0.5Hz
High-speed output maximum
frequency (resistive load).
See Note 6
pnp: 2kHz
npn: 50kHz
ON voltage drop
pnp: 0.5VDC maximum
npn: 0.4VDC maximum
Short circuit protection
Yes (pnp only)
pnp (source) power supply
See Digital Output’s Power Supply above
npn (sink) power supply
operating voltage
3.5V to 28.8VDC,
unrelated to the voltage of either the I/O module or the controller
Notes:
5.
Outputs #0, 1, 2, 3, 4, 5, 6, 7 and 8 share a common power signal. Outputs
#8,9,10,11,12,13,14,15 and 16 share a common power signal. All outputs share a common 0V
signal.
6.
Output #0 and 1 may be used as high-speed outputs.
Analog I/O’s Power Supply
Nominal operating voltage
24VDC
Operating voltage
20.4 to 28.8VDC
Quiescent current
70mA@24VDC
Max. current consumption
130mA@24VDC
Galvanic isolation
Analog power supply to bus
Yes
Analog power supply to
analog inputs
Yes
Analog power supply to
analog outputs
Yes
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