4.1.2 YAIC Installation
➢➢ To install a new YAIC I/O module into an existing Mark VIeS panel
1. Securely mount the desired terminal board.
2. Directly plug one YAIC I/O pack for simplex or three YAIC I/O packs for TMR into the terminal board connectors.
3. Mechanically secure the packs using the threaded studs adjacent to the Ethernet ports. The studs slide into a mounting
bracket specific to the terminal board type. The bracket location should be adjusted such that there is no right-angle force
applied to the DC-37 connector between the pack and the terminal board. The adjustment should only be required once in
the life of the product.
4. Plug in one or two Ethernet cables depending on the system configuration. The pack will operate over either port. If dual
connections are used, the standard practice is to connect ENET1 to the network associated with the R controller. These
choices are also defined in the ToolboxST configuration.
5. Apply power to the pack by plugging in the connector on the side of the pack. It is not necessary to insert this connector
with the power removed from the cable as the I/O pack has inherent soft-start capability that controls current inrush on
power application.
6. Configure the I/O pack as necessary using the ToolboxST application.
4.1.2.1 Connectors
The I/O pack contains the following connectors:
• A DC-37 pin connector on the underside of the YAIC connects directly to the discrete input terminal board. The
connector contains the 24 input signals, ID signal, relay coil power, and feedback multiplex command.
• An RJ-45 Ethernet connector named ENET1 on the side of the pack is the primary system interface.
• A second RJ-45 Ethernet connector named ENET2 on the side of the I/O pack is the redundant or secondary system
interface.
• A 3-pin power connector on the side of the pack is for 28 V dc power for the pack and terminal board.
YAIC Analog I/O Modules GEH-6855_Vol_II System Guide 93
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