Watlow 8PID Controller - Manual (Page 47)

6
Refer to the diagram below for interconnection and jumper information:
EXPANDER BOARD
____ J1 PIN __________ I/O LINE NR
| |----- 47 ------| |--------- 00
| U5 |----- 45 ------| |--------- 01
| |----- 43 ------| |--------- 02
|____|----- 41 ------| |--------- 03
| | | |
_o o_|_|______+5V | |
| J7 | |
GND | |
____ | |
| |----- 39 ------| |--------- 04
| U4 |----- 37 ------| |--------- 05
| |----- 35 ------| |--------- 06
|____|----- 33 ------| |--------- 07
| | | I/O |
_o o_|_|______+5V | |
| J6 | MODULE |
GND | |
____ | BOARD |
| |----- 31 ------| |--------- 08
| U3 |----- 29 ------| |--------- 09
| |----- 27 ------| |--------- 10
|____|----- 25 ------| |--------- 11
| | | |
_o o_|_|______+5V | |
| J5 | |
GND | |
____ | |
| |----- 23 ------| |--------- 12
| U2 |----- 21 ------| |--------- 13
| |----- 19 ------| |--------- 14
|____|----- 17 ------| |--------- 15
| | | |
_o o_|_|______+5V |__________|
| J4
GND
The four jumpers (J4, J5, J6 and J7) are located at the left side of the drawing and
determine the data direction by tying the driver enable pins high or low.
With a jumper installed the associated four lines are defined as outputs. Without the
jumper the four lines are defined as inputs.