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EZReader HF & EZTune Antenna Installation & User Guide Installation Requirements 15

EZReader HF Manual - 29982 Trigger Inputs 1 and 2

Two optically isolated inputs or two non-isolated inputs are available on the I/O Port. These inputs are used when the unit is in Hardware Trigger Mode of operation and allow the unit to operate autonomously. When using isolated inputs user must supply both positive and negative voltage references. When using non isolated inputs user must connect to sink output of trigger device (active low). A current limited (100 ma max combined Trigger 1&2) 12VDC connection is available for purposes of providing power to low current consuming devices such as a photo-eyes. Non isolated inputs are internally pulled to +5VDC through a 2.2k ohm resistor. NOTE: Avoid sourcing any current into the Non-Isolated Trigger inputs. Failure to do so can damage unit.

Outputs 1 and 2

Two Solid-State Form A Relay Outputs are available on the I/O Port. These outputs can be configured by the user to close on various conditions such as valid or invalid tag reads. The outputs can also be controlled by remotely by the user. NOTE: Relay Outputs are capable of switching voltages (35VDC max@250ma or 24VAC max@250ma) only.
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