Mounting Procedure
The TPS mounts onto the right side of an expansion box, and connects to the Power Distribution Interface (PDI).
1. Slide the two tabs on the bottom of the TPS into the rightmost two slots on the expansion bay.
2. Push the TPS assembly against the back of the expansion bay.
a. Connect to the PDI, as shown below.
b. Three PDI headers, shown below, must be pushed through the three open slots in the back of the TPS assembly.
c. Align the two screw holes at the top of the TPS assembly with the holes in the cabinet backplane.
3. Use two #6 torx screws to secure the assembly to the expansion bay.
Figure 2: TPS Mounting
Configuring the TPS
Setting Earth Fault Enable/Disable Jumper
The Earth Fault Enable/Disable jumper allows you to enable or disable positive and negative Earth Fault detection.
Place the jumper block on Pins 1 and 2 to enable Earth fault detection. Place the jumper block on Pins 2 and 3 to disable Earth fault detection. See
below.
Figure 3: Earth fault enable/disable jumper
Note:
When one or more TPS unit resides in a system sharing a common "0V" with any other type power supply (SPS/RPS/XPS), jumper only one of the TPS
units to enable Earth Fault Detection. All other power supplies must be jumpered to disable Earth Fault Detection. Ensure that the Slave Exec firmware,
later than Revision 1.04, is loaded on this TPS.
Setting Address Switch
The TPS device address is set via DIP switch SW1, which is a bank of eight switches. From left to right (see Figure 4), these switches are designated as
SW1-1 through SW1-8. The function of these switches is as follows:
SW1-1. This switch sets the baud rate for the internal FACP communications line running between the card and the FACP CPU. Set this switch to ON.
SW1-2 through SW1-8. These switches set the card's address within the FACP.
Note:
page 4 579-336 Rev. M
4100-5120, 4100-5121, 4100-5122 TrueAlert Power Supply Installation Instructions
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