Wiring the input:
Connect the output of the analog section that you want to amplify to the
input of the amplifier. Do not connect the amplifier to more than one output
because outputs of an analog section are not synchronized.
Wiring the load:
Connect the negative side of the load device to the output terminal (~ sig-
nal) of the amplifier and the positive side of the load to the positive terminal
oftheDCloadsupply.Forhighcurrentapplications,twoloadwiresandtwo
negative wires may be required (one on top terminal, one on bottom). Use
shieldedwireormetallicconduittoreduceEMI/RFIemissionsandkeepthe
length as short as possible. Be sure to ground the shield or conduit.
General:
Thisdevice is specifically designed to amplify the signal from an outputof a
T6analogI/Osection.Ittakestheoutputsignalandboostsitssinkingcapa-
bility to 27 amps. The output of the amplifier is thermal overload and load
transient protected. Unlike a solid state relay, this amplifier is designed to
operateatahighspeedandwithDCpower.Itusesthelatesttechnology,to
achieve a very high efficiency that generates the least amount of heat.
Additional amplifiers can be connected in parallel to further increase cur-
rent capabilities. For example, two amplifiers would be capable of sinking
a total of 54 amps.
Installation:
Amplifier sections must be DIN rail mounted. Since they do not connect to
the buss of the T6 system, they should be located to the far right of the
otherunits.Duetoitshighslewrateandpowerrating,theamplifierwillemit
EMI/RFI in excess of FCC regulations. Therefore, it should be housed in a
metallic enclosure that is properly grounded and output wires should be
properly shielded and as short as possible.
Wiring the (+) supply:
The amplifier needs a 10 to 15 vdc supply. This supply is used only to
operatethe amplifier,
notthe load device
.It is easiest to use the 10v supply
of the analog section as shown. The amplifier will consume just 10ma. of
current (leaving 90 ma. for other uses). If you want to use some other DC
source,besurethatitisofaregulatedtypemeasuring10-15volts.Theuse
of a linear supply is recommended because switching type supplies may
not perform well under a low load current.
Wiring the load supply:
A high power DC power supply is required to power the load device. This
supply must be rated for the voltage and current of the load. The voltage
must not exceed 95 volts. Connect the load supply as shown.
NOTICE: A linear (non-switching) power supply is highly recommended.
Switchingsuppliesmaynotbeabletoregulateproperlyduetotheinfluence
of the PWM load signal. This may cause voltage spikes in excess of 95v,
resulting in damage to the amplifier.
DC LOAD
SUPPLY
L
O
A
D
+
-
+
-
Note: Connections can be made
to either the top or the bottom
terminal. They are internally
connected together.