Horner offers several general-purpose signal conditioning products designed to augment the OCS product line.
These devices are designed to transform I/O already present on the XLe controller to support alternate signal types and voltages.
These devices are not limited to use with the XLe, but will most commonly be used with that controller series. These products allow normally incompatible signals and loads (AC inputs, AC outputs, etc.) to easily interface with OCS.
Three categories of these products are available—those which adapt digital input signals, those which drive specialized digital output loads and those which allow analog outputs to be generated from digital, PWM outputs.
The XL Series OCS directly supports DC digital inputs only. Two signal conditioning devices allow the connection of AC inputs as well.
The HEXDIA converts 120/240 VAC digital inputs to 24 VDC (8 points). Similarly, the HE-XDIA-24 converts lower voltage 24 VAC input signals to 24 VDC (8 points).
Three signal conditioning devices allow the standard 24 VDC, 0.5 A outputs of the XL Series OCS to drive specialized loads.
The solid-state HEXDQA allows a 120/250 VAC load to be driven at up to 2 A (four points). The solid state HE-XDQD will drive a 24 VAC/24 VDC load at up to 3 A (four points).
The mechanical HE-XDQR can drive up to a 10A load, supporting voltages of 120/250 VAC, and 24/30 VDC (four points).
Two signal conditioning devices provide the XL Series OCS with additional analog outputs, by converting 24 VDC PWM outputs already present on the controllers.
The HE-XPC converts 24 VDC PWM outputs to 4 to 20 mA (2 channels), while the HE-XPV converts 24 VDC PWM outputs to 0 to 10V (two channels).
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