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# NATIONAL INSTRUMENTS
ER-8
Card Type Data-acquisition
I/O Options Daisy-chain connector, relay outputs (8)
Data Bus DIO-24/DIO-32 connector
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|----------------------+-------+---------------------+-------|
| 125V 2A fast fuse | F1 | Daisy-chain out | J3 |
|----------------------+-------+---------------------+-------|
| DIO-32 connector | J1A | Relay connections | SC1 |
|----------------------+-------+---------------------+-------|
| DIO-24 connector | J1B | +5V DC power | J8 |
|----------------------+-------+---------------------+-------|
| Daisy-chain in | J2 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| POWER SOURCE |
|------------------------------------------------------------|
| Setting | SW1 |
|-----------------------------------+------------------------|
| ยป | External power source | Position 3 |
|---+-------------------------------+------------------------|
| | Power off | Position 2 |
|---+-------------------------------+------------------------|
| | Internal power source | Position 1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|--------+---------+---------+-------------------------------|
| DS1 | Green | On | Channel 1 is in use |
|--------+---------+---------+-------------------------------|
| DS1 | Green | Off | Channel 1 is not in use |
|--------+---------+---------+-------------------------------|
| DS2 | Green | On | Channel 2 is in use |
|--------+---------+---------+-------------------------------|
| DS2 | Green | Off | Channel 2 is not in use |
|--------+---------+---------+-------------------------------|
| DS3 | Green | On | Channel 3 is in use |
|--------+---------+---------+-------------------------------|
| DS3 | Green | Off | Channel 3 is not in use |
|--------+---------+---------+-------------------------------|
| DS4 | Green | On | Channel 4 is in use |
|--------+---------+---------+-------------------------------|
| DS4 | Green | Off | Channel 4 is not in use |
|--------+---------+---------+-------------------------------|
| DS5 | Green | On | Channel 5 is in use |
|--------+---------+---------+-------------------------------|
| DS5 | Green | Off | Channel 5 is not in use |
|--------+---------+---------+-------------------------------|
| DS6 | Green | On | Channel 6 is in use |
|--------+---------+---------+-------------------------------|
| DS6 | Green | Off | Channel 6 is not in use |
|--------+---------+---------+-------------------------------|
| DS7 | Green | On | Channel 7 is in use |
|--------+---------+---------+-------------------------------|
| DS7 | Green | Off | Channel 7 is not in use |
|--------+---------+---------+-------------------------------|
| DS8 | Green | On | Channel 8 is in use |
|--------+---------+---------+-------------------------------|
| DS8 | Green | Off | Channel 8 is not in use |
|--------+---------+---------+-------------------------------|
| DS17 | Red | On | Board is receiving power |
|--------+---------+---------+-------------------------------|
| DS17 | Red | Off | Board is not receiving power |
+------------------------------------------------------------+