10216/2/1 Honeywell Fail-Safe Loop-Monitored Digital Output Module 24 Vdc 1 A 4 Channels

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General Information

Model number	10216/2/1
Country of origin	USA
Condition	Brand New
Dimension	2.3x12.7x20.3cm
Weight	0.3kg
Lead time Warranty	in stock
MOQ	1 pcs

Core Description

The Honeywell 10216/2/1 is a high-reliability, fail-safe digital output module designed with four 24 Vdc, 1 A loop-monitored channels capable of driving loads up to 24 W. Built for critical industrial safety applications, it features comprehensive online self-testing that checks for internal faults, output de-energization capabilities, and channel cross-talk. With integrated short-circuit and lead-breakage detection, this module ensures ultimate loop integrity and fault-tolerant performance across challenging electrical control lines.

Specific Application

Fail-Safe Valve Actuation: Driving and monitoring critical 24 Vdc resistive or inductive solenoid valves up to 24 W in emergency shutdown systems.
Inductive Load Suppression: Managing heavy-duty inductive loops safely by utilizing a built-in dedicated suppression diode on every individual output channel.
Real-Time Loop Integrity Monitoring: Continuously auditing external field wiring configurations for instantaneous open-circuit (lead breakage) and short-circuit faults.

Ordering Information

Type Number	Description	Total Module Load	Hardware Key Coding	Compatible Range-Setting Modules
10216/2/1	Fail-Safe DO Module (24 Vdc, 1 A, 4-Ch)	3.6 A Maximum	Holes A13, C9	10216/A/1, 10216/A/2, 10216/A/3, 10216/A/4
10216/2/3	Fail-Safe DO Module (48 Vdc, 0.5 A, 4-Ch)	2.0 A Maximum	Holes A13, C13	10216/A/1, 10216/A/2, 10216/A/3, 10216/A/4
10216/A/1	Spare Channel Dummy Load Module	N/A	Programming Port	Integrated 4.7 kOhm Resistor

System Compatibility

System Compatibility: The 10216/2/1 module is designed exclusively for Honeywell Fail-Safe Control (FSC) systems and must be used in combination with a compatible I/O backplane in the chassis rack. It strictly requires external 10216/A/. range-setting programming modules to adjust current sensing levels on the back of the I/O backplane connector.
Alternative Models: Honeywell 10216/2/3.
Key Differences:
Voltage and Current Ratings: The 10216/2/1 operates at a standard 24 Vdc channel voltage with a maximum current rating of 1 A per channel. Conversely, the 10216/2/3 operates at 48 Vdc with a reduced maximum current limit of 0.5 A per channel.
Inductance & Overload Boundaries: The 10216/2/1 supports a maximum load inductance of 0.5 H and initiates overload detection when resistance drops below 10 Ohms. The 10216/2/3 accommodates up to 1 H load inductance and activates overload detection below 40 Ohms.
Physical Key Coding: To prevent accidental insertion into incorrect chassis slots, the 10216/2/1 uses mechanical key coding pins at holes A13 and C9. The 10216/2/3 is uniquely keyed at holes A13 and C13.

Installation & Troubleshooting FAQ

Q1: Why is the module detecting an unexpected fault code during its startup or standard operational self-test?
A: This is usually caused by a missing power connection. The 24 Vdc internal power supply lines at pins d8 and z8 must be securely connected to the module backplane to prevent internal logic fault detection during the automatic self-test routine.

Q2: How do I choose the correct companion range-setting module to ensure accurate loop-monitoring?
A: You must select a matching 10216/A/. module based on the power rating of your physical field load. For loads between 0.4W and 1.1W use the 10216/A/2; for loads between 1.2W and 4.7W select the 10216/A/3; and for heavy loads greater than or equal to 4.8W use the 10216/A/4.

Q3: The module is showing a "Lead Breakage" error on a channel that has no external wiring connected. How do I clear this?
A: Unused or spare channels will automatically trigger a lead breakage alarm if left completely open. To prevent this false diagnostic trip, you must install a dummy load resistor by plugging a 10216/A/1 spare channel module (which contains an integrated 4.7 kOhm dummy load resistor) into the corresponding programming connector slot on the backplane.

Q4: Can this digital output module drive inductive devices like heavy relays without external flyback protection?
A: Yes. The 10216/2/1 module features a built-in internal surge suppression diode directly integrated on each of its four output channels. This design absorbs inductive voltage spikes safely during channel de-energization, meaning external protection diodes are not required.

Q5: What are the primary fail-safe shutdown testing mechanisms executed automatically by this card?
A: The card continuously verifies its own safety integrity by performing background diagnostic pulses. These operations completely test the channel's ability to de-energize normally, its ability to cut power via a independent secondary watchdog means, output-to-output crosstalk levels, suppression diode health, and wiring shorts.

Contact information

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Sales Manager:Stella

Email:sales6@apterpower.com

Whatsapp:+86 18159889985

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