Eurotherm Drives 590 DRV Digital, Product Manual, Page: 27 / 318

Chapter 3 Installation and Wiring
3 - 5
3
590 DRV Digital DC Drive Product Manual
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2. FOR MODELS RATED 200 to 400 HP, or 330 to 675 A, (units rated for a 20 A field, maximum):
WARNING!
Terminals FL1 and FL2 for DRV's rated 330 to 675 A are at line voltage and may present a
shock hazard.
• Verify that power is disconnected, then move the RED wire from its existing position to
internal terminal F8, and the YELLOW wire from its existing position to internal terminal F16
(see Figure 3.5).
• Externally protect the supply with suitable branch circuit protection fuses rated for the supply
voltage. The external fuse rating should not exceed 20 A.
3. FOR EXTERNAL STACK CONTROLLERS or 500 to 1000 HP MODELS (units equipped for a
30 A field, maximum), SEE Appendix L.
External Stack?
Refer to Appendix
F
Move RED Wire
to F8.
Move YELLOW
Wire to F16.
Fuse @ no more
than 20 A.
330 thru 675 A
DRV?
Figure 3.6 - Wire Harness Routing
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Control Wiring
The control wiring described in the following section should be bundled
and routed to the left side of the controller (see Figure 3.6) so the control
door is free to open for access to the power supply board. Leave about
1½" of slack in the control wiring harness and trail the wiring down and
leftward without straining the connections. Route the wire harness
diagonally down to the lower left mounting foot of the DRV. This permits
opening the control door and folding the drive open
without putting stress on the wires.
An optional 10 inch piece of 7.5 mm deep DIN rail can
be mounted to the lower cover (see Figure 3.6). This
option is designed to hold potentiometer boards, relays or
other signal devices. To prevent exceeding the overall
590 DRV Digital drive depth limit of 11.5 inches, the
depth of these components must not exceed three inches.
Wire harnesses from these devices should be kept tight to the devices and
routed to the left side of the drive with the drive harness. Be sure that any
devices or harnesses mounted on the DRV do not interfere with any devices
mounted on the panel below when the unit is hinged down for service and
maintenance access.
Optional DIN Rail
Route Control
Wiring to Left of
Drive
Hinge Point
Control Harness
Din Rail Option
Figure 3.5 - External Field Supply Jumper Connec-
tions for Units Rated 330 through 675 A.