Johnson Controls DX-9100 — Extended Digital Controller

Part number	DX-9100
Brand	Johnson Controls
Category	Controller
Description	Extended Digital Controller
Manufacturer	Johnson Controls
Product Type	Extended Digital Controller
Product Line	Metasys DX
Part Number	DX-9100
Power Supply	24 VAC ±15%, 50/60 Hz
Power Consumption	10 VA nominal
Operating Conditions	0 to 40°C; 10-90% RH non-condensing
Storage Conditions	-20 to 70°C; 5-95% RH
Inputs	8 analog, 8 digital
Outputs	8 analog, 6 digital triac
Processor	NEC 78C10; Version 3 adds Neuron® 3150
Memory	8 Kb RAM, 56 Kb EPROM
Interfaces	RS-485, RS-232-C, LONWORKS Bus
Real-Time Clock	Date/time with automatic adjustment
Programmable Modules	PID, timers, calculations, sequencing
Network I/O	Supports analog/digital on LONWORKS
Housing	ABS + polycarbonate, IP30-rated

The DX-9100 is an extended digital controller from Johnson Controls' Metasys DX series. It is designed to operate with a power supply of 24 VAC ±15% at 50/60 Hz and consume a nominal power of 10 VA.

Compatibility data for this part number is being verified. Send an RFQ with your equipment model and serial — our suppliers confirm fitment before quoting.

Data compiled from 1 verified source. Last reviewed 2026-08-16.