Outputs
The Communication card features sixteen independent outputs (OUTPUTS 0 -15), which are optically isolated.
l OUTPUTS 0 - 7 provide up to 50mA current (maximum). These outputs are typically connected (directly or
indirectly) to an input, such as a trigger input or PLC input.
l OUTPUTS 8 - 15 provide up to 100mA of current (maximum). These outputs are typically connected (directly or
indirectly) to a load, such as a relay, indicator light or reject mechanism.
Refer to Wire Inputs and Outputs on page27 for common wiring configurations.
Note:
l There are four sets of outputs: OUTPUTS 0 - 3 share the OUTPUT COMMON 1 connection; OUTPUTS4 - 7
share the OUTPUT COMMON 2 connection; OUTPUTS 8-11 share the OUTPUT COMMON 3 connection;
and OUTPUTS 12 - 15 share the OUTPUT COMMON4 connection. Therefore the output devices for each
set of outputs must be the same; either current sinking or current sourcing.
l To maintain optical isolation of the I/O lines, the devices connected to these lines must not be connected to
the same power supply as the PC. If they are connected to, or share a ground with, the same power supply,
they may still function but will no longer be optically isolated.
OUTPUTS 0 - 7 Specifications:
Specification Description
Voltage 24VDC maximum between an output and output common.
Current 50mA maximum. Each line protected against over-current, short circuit and reverse polarity.
Maximum Voltage Drop 3VDC @ 50mA
Delay
1
25µs (maximum due to opto-isolators turning ON)
OUTPUTS 8 - 15 Specifications:
Specification Description
Voltage 24VDC maximum between an output and output common.
Current 100mA maximum. Each line protected against over-current, short circuit and reverse polarity.
Maximum Voltage Drop 3.5VDC @ 100mA
Delay
2
25µs (maximum due to opto-isolators turning ON)
1
Delay when opto-isolators turn OFF depends on the load to which the output is connected. With a 1K load, the maximum delay will be 500 µs.
2
Delay when opto-isolators turn OFF depends on the load to which the output is connected. With a 1K load, the maximum delay will be 500 µs.
15
Specifications
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