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4.2.1 Terminology and Ordering Information Cables: Except for the style of “Slide-on Cover” supplied the pre-wired cable assembly used for A-B I/O modules and Honeywell I/O modules are identical. All Honeywell cables must have the HW designator in the catalog number. Basic pre-wired Cable Assembly catalog numbers:  1492-CABLE-Cable Assembly for Digital (discrete) IOM’s (A-B Slide-on Cover supplied)  1492-ACABLE-Cable Assembly for Analog IOM’s (A-B Slide-on Cover supplied)  1492-HWCAB-Cable Assembly for Digital (discrete) IOM’s (Honeywell style Slide-on Cover)  1492-HWACAB-Cable Assembly for Analog IOM’s (Honeywell style Slide-on Cover) Example catalog number:-1492-HWACAB ### UB 1492-HWACAB Indicates an analog IOM cable supplied with a Honeywell style cover. The ### indicates the desired cable length in meters. Two standard lengths are provided (use 010 for one meter or 3.28 feet) and (025 for 2.5 meters or 8.2 feet). Custom cable lengths up to 99 meters (374.72 feet) can be specified. UB indicates the wiring layout (In this case a cable pre-wired for module TC-IAH161 and single ended current inputs). Different letter designators are used with other IOM’s. RTPs: Honeywell always refers to the Din rail mountable terminal assembly as an RTP (Remote Terminal Panel). Rockwell uses the acronyms IFM, RIFM, AFIM, RAIFM, or XIM. The Rockwell catalog numbers begin with 1492- followed by alpha-numeric characters that indicate desired features, options, and associated IOM. When ordering RTPs, the following RTP catalog numbers are used:  1492-IFM - Identifies an RTP for use with Digital (discrete) I/O  1492-RIFM - Same as IFM with removable terminal blocks  1492-AIFM - Identifies an RTP for use with Analog I/O  1492-RAIFM - Same as AIFM with removable terminal blocks  1492-XIM -Identifies a “Relay Expander Module” that provide relays on the RTP for use with Digital Output IOM’s Example catalog number: - 1492-AIFM6TC-3 This RTP is use with the 6 channel TC-IXL062 T/C input module. Experion LS I/O Specifications and Technical Data, EP03-110-400, V2, January 2012 7 Relay and Expandable Interface Modules (XIM) provide additional flexibility for discrete output type IOM’s (TC/TKODD321 and TC/TK- ODA161). They were developed to maximize the effectiveness of user applications that require output contact ratings greater than 2 A. Driving large loads up to 10 A for applications such as motor starters is now possible using these relay type RTPs. In addition, the relay modules provide a means to isolate output points. The relay and expandable product line consists of a relay master module and expander module(s) with expander cable. The relay master modules provide the connection for the 20- or 40-pin cable connectors for the pre-wired cable. There are three types of expander XIMs: eight-channel relay, eightchannel fused, and eight-channel feed-through. Expander module capabilities are offered in eight-channel increments. After using 8 or 16 channels of I/O for relays (master relay module), design engineers can use expander modules for the other I/O point needs. The flexibility means that they work with relays, fuses, and feed-through modules. In addition, the expander modules can be added when system expansion is required.