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Removing IO cards
Once the side screws on the earth brackets are removed, the IO cards can be easily pulled out of the IO card chassis
for replacement.
Inserting IO cards
The DR Graphic recorder has the backplane card fitted inside the IO Card Chassis along with the CPU card. Cards can
be inserted into the IO card chassis through the horizontal guides present inside the IO card chassis as per the
combinations mentioned in the table
bracket on the right side of the card is in line with the single fixing hole on the side of the IO card chassis. Ensure the
card is pushed fully home. Replace/fit the M3 x 8 earth screws and shake-proof washers, on the side of the case, to
secure the card.
One combination of IO cards installed inside the IO card chassis is shown in Figure 21, Slot A supports only AI cards
and Pulse cards; Slot B supports all the IO cards i.e. Analogue Input, Analogue Output, Pulse Input, Alarm/Relay Output
and DI/DO cards and acts as an universal slot.
Slot B supports all 5 types of IO cards but requires setting a jumper in the proper place to support a particular type of
card. Table below shows the jumper settings for Slot B. (This only applies to the DR Graphic Recorder).
Slot B
Note: Slot A jumpers functionality is reserved; do not move the jumpers J4 & J5 for Slot A from 1 & 2 position.
43-TV-33-56 iss.4 GLO Aug 19 UK
DR Graphic
cards. Carefully slide the card back into the case until the fixing
DR Graphic cards
Card Type
Analogue Input Card
Pulse Input Card
Analogue Output Card
Digital IO Card
Alarm Relay Card
Processor Card
Mother Board
AI/AO/PULSE
ALARM/DI/DO
Figure 22 – Jumpers
Slot
A, B
A, B
B
B
B
CPU Card Slot
Not shown
J8 & J9: SHORT 1 & 2
J8 & J9: SHORT 2 & 3
12
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