SmarTek Systems SAS-1 Relay Interface Configuration And Connection User Manual

Page 4

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SmarTek Systems (www.smarteksys.com)

4

Connecting and Routing Relay Signals For The SAS-RI Type 170 Card

The type 170 card version is comprised of a
SAS-RI Main Card and up to two SAS-RI
Daughter Cards (D1 and D2) as shown in
Figure 3. Each SAS-RI Main and Daughter
Card has a ribbon cable header for relay
distribution and a Relay Routing Matrix.
The Relay Routing Matrix on each SAS-RI
Card provides complete flexibility for
connecting any of the ten relay signals from
each SAS-1 unit to any of the four standard
card edge contacts (F, W, S, and Y) as
specified for a type 170 Card File. For
Type 170 compatible detector cards, there
may be up to four relay signals brought
out to the card edge connector as shown in figure 4. Note that for the Type 170 Card File, the
relay signals at S and Y are actually routed to the F and W positions in the next lower slot.
Therefore, the Type 170 Card File provides only 2 relay signals per slot.

The following example shows how to connect and configure a SAS-RI Main Card and Two
SAS-RI Daughter Cards. Each of ten relay signals from a SAS-1 (bit serial message) are routed
to appropriate card edge connector contacts (physical relay signals) in a Type 170 Card File.
Since there are ten relay signals to be routed, three SAS-RI Cards (4 relays per card) are required
(1 SAS-RI Main Card, 2 SAS-RI Daughter Cards).

For each of the SAS-RI cards used, set the Relay Routing Matrix (header JP1) jumpers as shown
in Figure 4. These jumpers connect each relay signal (1A, 1B, 2A, 2B, etc.) from the SAS-RI to

Figure 4 Routing Relay Signals to the SAS-RI Card Edge

Figure 3 SAS-RI Main and Daughter Cards

K

K+3

K+2

Serial Cable
From SAS-CT

RJA

Ribbon Distributes

10 Relay Signals

RJB

Main

D 1

D 2

RLY1(F)
RLY2(W)
RLY3(S)
RLY4(Y)

1A 1B 2A 2B 3A

3B

4A

4B

5A 5B

Main

Daughter Card 1

Daughter Card 2

RLY1(F)
RLY2(W)
RLY3(S)
RLY4(Y)

1A 1B 2A 2B 3A

3B

4A

4B

5A 5B

RLY1(F)
RLY2(W)
RLY3(S)
RLY4(Y)

1A 1B 2A 2B 3A

3B

4A

4B

5A 5B

Installed Jumper -

A and B
C
F
H
S
T
W
X
Y
Z
All Others

Gnd and VDC
Reset
Ch1 (Collector)
Ch1 (Emitter)
Ch3 (Collector)
Ch3 (Emitter)
Ch2 (Collector)
Ch2 (Emitter)
Ch4 (Collector)
Ch4 (Emitter)
No Connection

Type 170 Card Edge Contacts

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