This manual will guide you through the setup and use of all Reactor Series relay controllers. Following this manual in the sequence outlined is absolutely essential to proper understanding and use of
Reactor Series Controllers. Please review the entire manual BEFORE contacting NCD technical support.
NCD technical support staff will direct your questions to this manual when applicable.
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AD8 Hardware
A.
Program/Run Jumper
: Used to change operating modes. For daily use always set to
RUN
position.
B.
Power Connector
: +12V DC center position 2.1 mm.
C.
Communication Module
: Modular Interface Support allows you to use about any kind of standard computer inter-
face available. Diagrams depicts a USB Communications module.
D.
Pull Up/Down Jumper
:
Up
Position pulls inputs high to plus 5 VDC. (used for contact closures or variable resistance signals)
Down
position pulls inputs low to ground (used for reading external 0-5 VDC signals.)
E.
10 Pin-8 Channel AD Connector
: Extreme right and left connections are GROUND. Connection 2-9 (left to right)
correspond to Analog Inputs 1-8 Respectively.
F.
Relay Connectors
: 3 Per Relay; Normally Open, Common and Normally Closed. Relay Connectors shown are Sin-
gle Pull Double Throw (SPDT).
1(NO): This terminal has no connection when the relay is off. The terminal is connected to COM when the
relay is on.
2(COM): This terminal is connected to NC when the relay is off. The terminal swings over to NO when the
relay is on.
3(NC): This terminal is connected to COM when the relay is off. This terminal has no connection when the
relay is on.
G.
Status LEDs
: Displays status of individual relays and the ready/busy status of the controller. The Ready LED en-
gages when power is supplied to the controller. The Busy LED, or Data Receive LED, flashes when valid data is
received. R1-R8 LEDs indicate the IO status of individual relays.
H.
Input Control Switch
: Each button controls a relay according to the settings applied in the Base Station Application.
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