IA-2660-E
37
Specifications are subject to change without notice
Isolated TCP/IP
96 Digital TTL/LVTTL
Pluggable Terminal Blocks
!aaPUdd
–
Set Pull-up source (dd=00-3F)
Description
The device structure includes 6 groups of 16 Pull-ups each, that can be
tied either to +Vcc or to GND. I/O groups Pull-ups are set by pairs.
This command defines whether a Pull-up group is tied to +Vcc or to GND.
‘1’ for +Vcc, ‘0’ for GND.
Syntax
!aaPUdd <CR>
!
Delimiter character
aa
Hexadecimal address of the device
PU
Sets Pull-up source.
dd
Pull-
ups source data, ‘1’ for +Vcc ‘0’ for
GND.
<CR> Carriage Return - End of command
Response
|dd<CR> if the command was valid
Example
Command: !00PU07<CR>
Response: |07<CR>
Sets the lowest 6 I/O groups Pull-ups to +VCC and all others to GND.
‘07’ meaning is that
the three lowest Pull-up groups are set to +Vcc. This
means that the lowest 6 I/O groups Pull-ups are set to +Vcc as each Pull-
up group include two I/O groups.
1.
!aa PU00
–
Factory default
2.
The Pull-ups may be tied either to +Vcc or to GND to best fit user
logic.
3.
The Pull-
ups has no effect on an I/O group that is set to “Output”.
Note
!
