B&B Electronics 4 Channel Input Buffer Board SDAIBB User Manual
Page 10

8 SDAIBB1300
Manual
B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104
To support all 11 channels on the SDAxx modules connect 3
SDAIBBs to the I/O port of the SDAxx as shown in Figure 2 on page 4 and
set one board to JP9, one to JP10, and the last to JP11. This will provide
11 independent buffered inputs.
Table 3: Connections when the 4-position shunt is on JP11
Pin Connection
Pin Connection
1
---
14
---
2
Power
15
---
3
---
16
---
4
---
17
---
5
---
18
---
6
---
19
---
7
GND
20
---
8
---
21
---
9
---
22
---
10
---
23
A output
11
---
24
B output
12
---
25
C output
13
---
Table 4: Models Compatible with SDAIBB
Model
Channel Select
Jumper Connections
Supported
Channels
Supported
Power on
pins 2
and 7
2.5V
Output
Offset
Available
485SDA10
JP9, JP10, JP11
0-10
Yes
Yes
485SDA12
JP9, JP10, JP11
0-10
Yes
Yes
232SDA10
JP9, JP10, JP11
0-10
Yes
Yes
232SDA12
JP9, JP10, JP11
0-10
Yes
Yes
232SPDA
JP9
0-3
Yes
Yes
232SPDACL
JP9
0-3
Yes
Yes
485SPDA
JP9
0-3
Yes
Yes
485SPDACL
JP9
0-3
Yes
Yes
232OPSDA
*
4 and 5
No
No
ADIO12
JP9
4-7
No
No
ADIO10
JP9
4-7
No
No
Set the jumper for any position and use the solder pads on the DB25
connector to bring out connections for channels 4 and 5. The other
channels already have selectable gains.