![Johnson Controls NU-XRM101-0 XRM Momentary Relay Module [New]](https://cdn11.bigcommerce.com/s-hdj6s/images/stencil/500x659/products/70360/145385/a9832655-3a37-5a12-bf56-eaa94e9e0c9c__82066.1793117636.png?c=2 "Johnson Controls NU-XRM101-0 XRM Momentary Relay Module [New]")
![Johnson Controls NU-XRM101-0 XRM Momentary Relay Module [New]](https://cdn11.bigcommerce.com/s-hdj6s/images/stencil/500x659/products/70360/145386/15f8d595-c3be-56f8-9c95-75a6def1dcce__12656.1793117637.png?c=2 "Johnson Controls NU-XRM101-0 XRM Momentary Relay Module [New]")
Description
Point Multiplex Module, XRM - Multiplex Relay Momentary, 8 Binary Inputs / 8 Momentary Relay Outputs. The Multiplex Relay Momentary (XRM) is a module that connects points to the system and resides in the Network Control Unit (NCU) or Network Expansion Unit (NEU). It monitors eight binary inputs (voltage, dry contact, or pulse) and executes output commands through eight pairs of momentary relays, each with a set of Form A and Form C contacts. Auto/Manual local override switches are provided for each of the outputs. The XRM reports input changes-of-state and Auto/Manual switch settings to the NCU for processing. LEDs on the module face display the status for each input and Auto/Manual switch, and the commanded condition for each output. The XRM connects binary input/output points to the NCU/NEU. The inputs may be any combination of these points: dry contact, up to 10 Hz frequency, and up to 120 VAC or VDC. It also executes Network Control Module commands to momentary relay switches, which control miscellaneous devices. When residing in or remote to an NCU, the XRM serves to increase the point capacity of the NCU. If the points are clustered at a distant location, the XRM additionally provides an economical way to connect them to the NCU over the N2 Bus without having to hardwire each I/O separately to the NCU. Typically, XRMs control equipment requiring 3-wire control circuits, such as motors, pumps, and pulse-on/pulse-off lighting contactors. The starter circuits de-energize in the event of a power failure; upon power restoration the equipment does not immediately restart and cause a surge in demand. The user instead performs a safe and orderly restarting with software commands via the NCU. Specifications * Brand / Manufacturer: Johnson Controls * Model / Part Number: NU-XRM101-0 * Code Name (OEM): Multiplex Relay Momentary (NU-XRM101-0) * Type: Metasys Point Multiplex Module, XRM, 8 Binary Inputs / 8 Momentary Relay Outputs * Microprocessor: Intel 80C51 * Memory: 8K by 8-Bit Static RAM; 8K by 8-Bit E2PROM * Binary Inputs: Eight (contact, voltage present/absent, and low frequency pulses) * Maximum Input Voltage: 120 VDC or 120 VAC RMS 50/60 Hz * Maximum Pulse Input Frequency: 10 Hz or less (at 10 Hz, 12 mS < positive pulse width < 52 mS; and Debounce Filter set to 2) * Input Types: DC - Low Thresh: 3 V, Hi Thresh: 8 V; AC - Low Thresh: 2 V, Hi Thresh: 18 V; Dry Contact - Low Thresh: 100K ohms, Hi Thresh: 800K ohms; Pulse - (0-10 Hz) * Output Contacts: Form A and Form C, momentary. Each output signal is a Form A and Form C contact made from two momentary relays. Relays can directly control up to a size 4 NEMA starter * Contact Rating of Each Output: 1 A max. @ 125 VAC, pilot duty; 1 A @ 30 VDC, resistive * Minimum Output Load: 10 mA at 5 VDC * Source Power: Power is from PWR in the NCU/NEU * Operating Temperature: 32° to 122°F (0° to 50°C) * Storage Temperature: -40° to 158°F (-40° to 70°C) * Operating Humidity: 10% to 90% RH * Storage Humidity: 5% to 95% RH * Dimensions and Weight: 14 in. H x 1.5 in. W x 6 in. D (355 x 36 x 152 mm); 2 lbs 11 oz (1.23 kg) * Agency Compliance: FCC Part 15, Subpart J, Class A; UL916; CSA C22.2 No. 205 * Agency Listing: UL Listed and CSA Certified as part of the Metasys Network * LED Indicators (OEM): Software configured - eight inputs, eight outputs, N2 Transmit, N2 Receive, Power, and Error (sanity circuit reset, checksum, RAM test result) * Accumulator (OEM): For each status input, detects and totals transitions for pulses of less than or equal to 10 Hz (each pulse yields two transitions); releases up to 65,535 valid signal transitions before rolling over * Installation Note (OEM): When installing an XRM into a slot normally occupied by a DCM (Slots 1 and 5 of a 5-slot, Slot 1 of a 2-slot), IUN Function Modules are necessary to transmit input signals from the first eight terminal blocks of the NCU/NEU to the XRM * Related Parts: NU-XRM101-700 replacement assembly; NU-XRM202-0 and NU-XRM203-0 variants; NU-XBN101-0, NU-XRE101-0 and NU-XRL101-0 Point Multiplex Modules * Condition: New. Johnson Controls. Johnson Controls. NU-XRM101-0.
Warranty Information
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