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Mounting Your 1394-DCLM
Mounting the External Shunt
Resistor for 5 and 10 kW System
Modules
Mounting External Shunt Modules
for 22 kW System Modules
Installing Your 1394 (applies to all systems)
Two 1394 system power buses can be linked by connecting two
DCLMs together. This procedure is application specific and requires
proper implementation. Please contact your Allen-Bradley sales
representative for more information.
When using the 1394-DCLM for energy storage, the power plug must
be installed (refer to Figure 2.10 for location).
Figure 2.10
Locating the Power Plug
Allen-Bradley
DC Link
1394 Digital Servo Controller
System Module
Module
DANGER
RISK OF ELECTRICAL SHOCK. HIGH VOLTAGE MAY
EXIST UP TO FIVE MINUTES AFTER REMOVING POWER.
If your 5 or 10 kW 1394 system module requires a means of
dissipating regenerative energy that exceeds the capacity of the
internal shunt resistor, install a 1394 External Shunt Resistor Kit
(catalog number 1394-SR10A).
ATTENTION: To avoid the hazard of shock or burn
and ignition of flammable material, appropriate
!
guarding must be provided. These resistors can reach
temperatures in excess of 350° C (662° F). Install per
local codes.
To install the 1394-SR10A Shunt Resistor Kit use two M10 (3/8 in.)
bolts and mount the external shunt resistor assembly vertically on a
flat rigid metal surface that will not be subjected to shock, vibration,
moisture, oil mist, dust or corrosive vapors.
Note: To extend the leadwire length up to 15 m (49 ft total overall
length), use MTW, 105° C, (302° F) Class H insulated wire (UL
styles 3349, 3374, or equivalent).
If you are using a 22 kW system module, you must use a shunt
module (1394-SR9A, -SR9AF, -SR36A or -SR36AF). An external
shunt module is required for 22 kW system modules because there is
no internal shunt resistor.
DC Link Module
Power Plug
Publication 1394-5.0 — May 2000
2-11
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Troubleshooting
