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The Nova Helix multichannel receiver provides an interface to connect SmartSwitch II
(SS II) devices to the receiver. The interface requires a common ground connection, and
one signal wire. The receiver sends all the information relevant to the SmartSwitch II
device over the signal wire. Figure 6 below details the wiring to connect a SmartSwitch II
device to the receiver. It is inconsequential whether the SmartSwitch II device is powered
from the same supply that powers the receiver, or a separate supply. All that is important
is that the devices share the same ground rail.
Up to 15 SmartSwitch II devices can be wired in a daisy-chained bus configuration to
the receiver. SmartSwitch II devices are addressable. Each of the 15 channels that
are supported on a four-channel receiver represents an address that can be used to
activate a SmartSwitch II device. Figure 5 illustrates the daisy-chained topology of the
SmartSwitch II bus.
8. SmartSwitch II Interface Capability
FIGURE 6. SMARTSWITCH II DEVICE WIRING
Four-Channel Receiver
-
COM1
COM
FRX
Tx
Rx
PSU
R1
R2
R4
J1
1 2 3 4
J2
OBR
PIC
R3
NC1
NC
GND
NO1
NO
Triggered
Equipment
+12
COM2
NO2
NC2
COM3
NC3
NO3
COM4
NC4
RX
NO4
GND
Channel X
Vs
Vs
SmartSwitch II
+
S
MARTS
W
ITCH
II
INTERF
ACE
CA
PA
BILITY
S
ECTION
8
Содержание Nova Helix
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