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Honeywell MU-PAOY22 Analog Output 16-Point Processor/FTA

Configured for 4-20 mA analog signal execution in Honeywell process control I/O environments, the Honeywell MU-PAOY22 (MU-PAOY22 Analog Output 16-Point Processor/FTA) provides direct physical and electrical output conversion from digital input codes to field current signals.

Hardware Specifications

Parameter	Specification
Model	MU-PAOY22
Brand	Honeywell
Product Type	Analog Output 16-Point Processor/FTA
Origin	USA
FTA Models	MU-TAOY22, MU-TAOY23, MU-TAOY52, MU-TAOY53
Output Type	4-20 mA
Output Channels	16
Output Ripple	100 mV peak-to-peak at power line frequency across 250 ohm load
Output Temperature Stability	+/-0.02% Full Scale/deg C
Output Readback Accuracy	+/-4%
Humidity Effect	+/-0.1% full scale at 50% RH +/-40% RH
Output Current Linearity	+/-0.05% nominal
Resolution	+/-0.05%
Calibrated Accuracy	+/-0.35% at 25 deg C including linearity
Directly Settable Output Current Range	0 mA, 2.9 mA to 21.1 mA
Absolute Maximum Current Output	24 mA
Maximum Resistive Load	750 ohm at 24 V supply and 20 V output compliance
Maximum Output Compliant Voltage	15 V
Output Settling Time	4 ms from digital input code to 98% final output value
Surge Withstand Capability	ANSI/IEEE C37.90.1-1978

Honeywell 4-20 mA Process Control Output Characteristics

The MU-PAOY22 provides sixteen independent analog output channels with a 4-20 mA current interface. Therefore, the module converts internal digital control values into proportional field current signals for process actuators, control valves, and analog input devices.

The output stage supports direct current adjustment from 0 mA and 2.9 mA to 21.1 mA. In addition, the module maintains calibrated accuracy within +/-0.35% at 25 deg C while controlling current linearity within +/-0.05% nominal.

The design supports process control requirements involving channel-to-channel signal management and stable analog transmission. Furthermore, the output circuit provides surge withstand capability according to ANSI/IEEE C37.90.1-1978 requirements.

Frequently Asked Questions

Q: What type of field signal does the Honeywell MU-PAOY22 generate?
A: The MU-PAOY22 generates 4-20 mA analog current output signals through 16 independent output channels.

Q: What is the maximum resistive load supported by each output channel?
A: Each output channel supports a maximum resistive load of 750 ohm when the supply condition is 24 V with 20 V output compliance.

Q: How fast does the output signal reach the commanded value?
A: The module reaches 98% of the final output value within 4 ms after receiving the digital input code.

Field Installation Guidelines

Install the MU-PAOY22 according to Honeywell system hardware installation procedures and approved cabinet wiring practices.

Use shielded cables for analog current loops when the installation environment contains electrical noise sources. Connect cable shields according to the control system grounding design to reduce signal interference.

Separate analog output wiring from high-voltage power conductors and switching circuits. Maintain proper terminal identification during field wiring to prevent incorrect current loop connections.

Verify the output loop resistance before commissioning. Confirm that connected field devices remain within the module output compliance voltage and current capability limits.

Check channel operation by applying controlled digital output commands and measuring the corresponding 4-20 mA field current response.

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