Replacement; Spare And Replacement Parts - Siemens QUADLOG Installation And Service Instructions Manual

SDQLCAI-1
2. Remove the associated CAI from its slot in the rack. Place the module in a static shielded bag for
protection.
3. Disconnect the Interconnect I/O Cable Assembly connector P2 or individual connections from the
termination assembly. All individual connections should be labeled for correct reconnection.
4. Loosen the captive mounting screws on the cable connector. Gently lift the bottom of the connector
in an arc until the connector is free of its alignment pin. Pull the top of the cable connector from the
grooved backplane spacer and lift it away from the rack.
5. Remove the Interconnect I/O Cable Assembly from the cable tray or other cable routing equipment.
3.7.2

Replacement

Refer to the mechanical details in Figure 2–2.
1. Route the Interconnect I/O Cable Assembly between the MODULRAC ( SIXRAC, or Remote I/O
rack) and the marshalling cabinet.
2. Label and key the replacement cable as described in section 2.5.3
3. Reconnect replacement cable as described in section 2.7.3.
4. Install the CAI. See section 2.6.

3.8 Spare and Replacement Parts

One spare Critical Analog Input Module should be stocked for every 1 to 10 in service. Spare and
replacement assemblies can be ordered from one of the addresses in the Warranty statement or through a
local Siemens representative. Assembly part numbers are stated in section 5 and printed on most
modules.
When ordering, provide the model number from the module's nameplate to be replaced or spared. A
purchase order number should also be included.
There are no user-serviceable parts within CAI. Only fuses can be replaced on the termination hardware.
May 2002
Maintenance
3-5