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Honeywell 900A16-0101 HC900 High-Level Analog Input Module

Configured for high-level analog signal acquisition in Honeywell HC900 / ControlEdge 900 systems, the Honeywell 900A16-0101 (900A16-0101 High-Level Analog Input Module) provides direct physical signal conversion for voltage and current field inputs.

Hardware Specifications

Parameter	Specification
Model	900A16-0101
Brand	Honeywell
Product Type	High-Level Analog Input Module
Series	HC900 / ControlEdge 900
Input Channels	16 isolated analog input channels
Input Signal Types	Configurable voltage and current inputs
Input Ranges	0-10 V, +/- 10 V, 0-20 mA, 4-20 mA
A/D Resolution	15 bit
Accuracy	Factory calibrated: +/- 0.1% of range; Field calibrated: +/- 0.05% of range
Update Rate	100 ms parallel module update
Input Impedance	Greater than 1 Mohm for voltage input; 250 ohm for current input with shunt resistor
Channel Isolation	Up to 400 VDC channel-to-channel isolation
Logic Isolation	Up to 1000 VDC channel-to-backplane isolation
Backplane Power Consumption	5 VDC, 75 mA max
External Supply Consumption	24 VDC, 50 mA max
Noise Rejection	CMRR greater than 90 dB at 120 VAC; SMRR greater than 31 dB
Operating Temp	0 deg C to 60 deg C
Storage Temp	-40 deg C to 85 deg C
Relative Humidity	10% to 90% non-condensing
Estimated Shipping Size	13.3 x 3 x 14.5 cm
Weight	0.2 kg

Honeywell Process Signal Interface Characteristics

The 900A16-0101 module processes standard process instrumentation signals through configurable analog input channels. Each channel accepts voltage or current inputs independently, which allows mixed signal measurement within the same module.

The module supports 4-20 mA HART loop protocol applications when used with compatible external transmitters and system configurations. Additionally, the channel-to-channel isolation structure separates field circuits and reduces signal interaction during multi-point analog measurement.

The integrated 250 ohm current shunt resistor can be enabled through onboard DIP switch settings. Therefore, external precision resistors are not required for standard current loop measurement configurations.

Frequently Asked Questions

Q: Does the Honeywell 900A16-0101 support mixed analog input types on one module?
A: Yes. Each of the 16 input channels can be configured independently for voltage or current signal measurement.

Q: Does the module provide electrical isolation between input channels?
A: Yes. The module provides galvanic isolation between individual channels and between field input circuits and the HC900 backplane.

Q: What power supply interface does the 900A16-0101 use?
A: The module receives backplane power from the HC900 system and requires 5 VDC backplane power with an additional 24 VDC supply connection.

Field Installation Guidelines

Install the 900A16-0101 module in the designated HC900 / ControlEdge 900 rack position according to the controller hardware configuration manual.

Connect analog field wiring using shielded instrumentation cable where required. Ground cable shields at the recommended single grounding point to reduce electromagnetic interference.

Separate analog signal wiring from high-voltage power cables and switching circuits. Verify polarity, signal range configuration, and channel settings before applying field power.

Check module LED status indicators after installation. Confirm normal module operation through the controller configuration software before placing the analog channels into process service.

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