Honeywell ControlEdge 900 platform, Hardware Planning And Installation Manual, Page: 95 / 230

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Minimum Pulse Width: 2.25 μsec
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Quadrature Counter: 32 bits signed
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Quadrature Modes: For variable resolution there are three count
modes for the Pulse/Quadrature input: X1: rising edges of signal A
are counted (increment); falling edges of signal A (decrement) X2:
rising and falling edges of signal A are counted X4: rising and
falling edges of signals A and B are counted
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Quadrature LEDs: Two LEDs indicate UP and DOWN direction of
counting.
Analog Output Module (4 Channels)
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4 channel 0-21.8 mA, range selectable analog output
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Load resistance: 750 ohms maximum
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Accuracy: 0.1% full scale
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D/A resolution: 12 Bitsat reference conditions
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Modules per rack: 10 max, up to 12 with product ambient
temperature de-rating. See the figure below:
Figure 5-16: De-rating of AO modules
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Update rate: 500 ms
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Minimum current sensing: >3.5 mA per output
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Isolation:
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500V DC channel to channel
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600V DC isolation from logic
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Output Verification: Readback to controller that indicates output
current flowing.
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D/A resolution: 12 bits