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# QUATECH, INC.
OPIN-241
Card Type Data Acquisition
I/O Options Solid-state relay, high-speed parallel, low-speed
parallel
Data Bus N/A
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|--------------------+-------+-----------------------+-------|
| PBX-721 header | CN1 | Power terminals (see | SC1 |
| | | pinout below) | |
|--------------------+-------+-----------------------+-------|
| I/O channel 1 (see | CN2 | Terminals for | SC2 |
| pinout below) | | channels 1 & 2 (see | |
| | | pinout below) | |
|--------------------+-------+-----------------------+-------|
| I/O channel 2 (see | CN3 | Terminals for | SC3 |
| pinout below) | | channels 1 & 3 (see | |
| | | pinout below) | |
|--------------------+-------+-----------------------+-------|
| I/O channel 3 (see | CN4 | | |
| pinout below) | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CN2-CN4 PINOUT |
|------------------------------------------------------------|
| Function | Pin | Function | Pin |
|-----------------------+------+----------------------+------|
| Bit 0 | 1 | Bit 0 | 14 |
|-----------------------+------+----------------------+------|
| Bit 1 | 2 | Bit 1 | 15 |
|-----------------------+------+----------------------+------|
| Bit 2 | 3 | Bit 2 | 16 |
|-----------------------+------+----------------------+------|
| Bit 3 | 4 | Bit 3 | 17 |
|-----------------------+------+----------------------+------|
| Bit 4 | 5 | Bit 4 | 18 |
|-----------------------+------+----------------------+------|
| Bit 5 | 6 | Bit 5 | 19 |
|-----------------------+------+----------------------+------|
| Bit 6 | 7 | Bit 6 | 20 |
|-----------------------+------+----------------------+------|
| Bit 7 | 8 | Bit 7 | 21 |
|-----------------------+------+----------------------+------|
| Not used | 9 | Not used | 22 |
|-----------------------+------+----------------------+------|
| Not used | 10 | Not used | 23 |
|-----------------------+------+----------------------+------|
| Not used | 11 | Not used | 24 |
|-----------------------+------+----------------------+------|
| Not used | 12 | Not used | 25 |
|-----------------------+------+----------------------+------|
| Not used | 13 | Not used | 26 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SC1 PINOUT |
|------------------------------------------------------------|
| Function | Screw | Function | Screw |
|----------------------+-------+---------------------+-------|
| AC or +VDC in | 1 | Power ground | 3 |
|----------------------+-------+---------------------+-------|
| AC or -VDC in | 2 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SC2 PINOUT |
|------------------------------------------------------------|
| Function | Screw | Function | Screw |
|----------------------+-------+---------------------+-------|
| Channel 1 bit 0 | 1 | Channel 1 bit 6 | 7 |
|----------------------+-------+---------------------+-------|
| Channel 1 bit 1 | 2 | Channel 1 bit 7 | 8 |
|----------------------+-------+---------------------+-------|
| Channel 1 bit 2 | 3 | Channel 3 bit 0 | 9 |
|----------------------+-------+---------------------+-------|
| Channel 1 bit 3 | 4 | Channel 3 bit 1 | 10 |
|----------------------+-------+---------------------+-------|
| Channel 1 bit 4 | 5 | Channel 3 bit 2 | 11 |
|----------------------+-------+---------------------+-------|
| Channel 1 bit 5 | 6 | Channel 3 bit 3 | 12 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SC3 PINOUT |
|------------------------------------------------------------|
| Function | Screw | Function | Screw |
|----------------------+-------+---------------------+-------|
| Channel 2 bit 0 | 1 | Channel 2 bit 6 | 7 |
|----------------------+-------+---------------------+-------|
| Channel 2 bit 1 | 2 | Channel 2 bit 7 | 8 |
|----------------------+-------+---------------------+-------|
| Channel 2 bit 2 | 3 | Channel 3 bit 4 | 9 |
|----------------------+-------+---------------------+-------|
| Channel 2 bit 3 | 4 | Channel 3 bit 5 | 10 |
|----------------------+-------+---------------------+-------|
| Channel 2 bit 4 | 5 | Channel 3 bit 6 | 11 |
|----------------------+-------+---------------------+-------|
| Channel 2 bit 5 | 6 | Channel 3 bit 7 | 12 |
+------------------------------------------------------------+