DANGER!
Working on the rack may disrupt the control of the generator, busbar or connection. Take the necessary precautions.
Equipment protection
CAUTION
Disconnect all power supplies before removing or adding a hardware module. The hardware modules are not designed for
hot swapping.
CAUTION
Protect the hardware modules against static discharge during installation. Protect the rack against static discharge if it has
not yet been mounted and the frame ground has not yet been connected.
Hardware support
CAUTION
Only use the hardware modules that are listed in the controller data sheet. Unsupported hardware modules can make the
controller malfunction.
Physical mounting of hardware modules
1. Disconnect all power supplies (that is, the PSM and, if present, other modules with independent power supplies), to protect the
hardware modules and personnel.
2. Optional: Test the resistance of the wrist strap and the resistance of the wrist strap connection. Do not continue if the wrist strap
connection is faulty. Use the wrist strap at all times while installing or uninstalling the hardware modules to protect them against
static discharge.
3. If applicable, remove the hardware module to be replaced from the rack:
a. Remove the terminal blocks, and make sure that there are no wires in the way of removing the hardware module.
• Where relevant, disconnect the Ethernet cables from the top and bottom of the hardware module.
b. Loosen the hardware module faceplate screws using a screwdriver with a TX20 bit.
• Do not force the screws to unscrew completely. The screws are built-in and therefore normally remain attached to the
faceplate.
c. Use pliers or your fingers to pull the faceplate screws, and carefully slide the hardware module out of the rack.
• Only pull the screws. Do not pull any other part of the faceplate.
d. If you want to re-use the hardware module, or send it in for testing, be careful to only handle it by its faceplate. Put the
hardware module in ESD protective packaging after removing it.
4. To install the new hardware module:
a. Open the ESD protective packaging, and remove the new hardware module, holding it only by its faceplate.
b. Make sure that the hardware module is the right way up, and slide it into the correct slot. The hardware module should slide
in easily.
c. Tighten the screws on the hardware module faceplate using a screwdriver with a TX20 bit, and 0.5 N·m (4.4 lb-in) of torque.
d. Replace all the terminal blocks, including any Ethernet cables to the module.
5. If the rack has not yet been mounted, return the rack to its protective packaging.
3.3 Mounting the controller rack
3.3.1 Rack dimensions
The following drawing shows a first-angle projection of the rack, with dimensions. Dimensions are in mm (followed by approximate
dimensions in inches). The rack is supplied with the cable strain relief plates mounted (not shown on the drawing).
INSTALLATION INSTRUCTIONS 4189340909I UK Page 17 of 144
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