Example:
The X100 is an 8-channel D/I board designed for the 7188X(D) /
7521(D). It removes all 5 resistors, R19 ~ R23, and reconfigures all
these pins as D/I pins. It installs another 5-pin female reconfiguration-
jumper into TP1 of the 7188XC(D)/7521(D).
Therefore, user can select
the original 3_DO_2_DI functions or new 5_DI functions by setting the
jumper in different positions.
The I-7188XB(D), I-7188XG(D), I-7188EX(D), I-7188EG(D) has 14
user-defined pins. But the I-7188XB(D), I-7188XG(D), I-7188EX(D),I-
7188EG(D) & I-7188XA(D) don’t support the reconfiguration-resistor.
So the user-defined pins of the 7188X / 7521 family are given as
follows:
Module
User defined pins
Reconfiguration pins
Customized I/O pins
7188XA (D)
0
0
0+0=0
7188XB (D)
14
0
14+0=14
7188XC (D)
3
5
3+5=8
7188XG (D)
14
0
14+0=14
7188EX (D)
14
0
14+0=14
7188EG (D)
14
0
14+0=14
7521 (D)
3
5
3+5=8
7522 / 23 / 24 / 27 (D)
0
0
0+0=0
Note:
The
7188XA(D)
supports I/O expansion bus but does not support
user defined pins, so the 7188XA only supports X002, X003, X560,
X600, X601, X607, X608.
I/O Expansion Bus for 7188X/7188E User’s Manual, Jan/2005 v1.5, 7PH-000-15---10