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Parallel I/O interface
3 Controller
Fig.3-32 ： Parallel I/O interface installation position (CR751)
■ Pin layout of connector
Fig.3-33 ： Pin layout of connector
■ Connector pin No. and signal assignment
The station number is fixed by the slot to install and the allocation range of the general-purpose input-and-
output signal is fixed.
Table 3-14 ： The slot number and the station number
The connector pin number of the parallel input-and-output interface installed in SLOT1 and signal number
allocation are shown in Table 3-15 and Table 3-16. If it installs in other slots, please interpret and utilize.
Slot number
Station
number
Range of the general-purpose input-and-output signal
Connector <1> Connector <2>
SLOT1 0 Input ： 0 to 15
Output ： 0 to 15
Input ： 16 to 31
Output ： 16 to 31
SLOT2 1 Input ： 32 to 47
Output ： 32 to 47
Input ： 48 to 63
Output ： 48 to 63
SLOT1
SLOT2
<CR751 controller>
1B
1A
20A
20B
1D
1C
20C
20D
Connector<2>
Output 16 to 31
Input 16 to 31
(when station number 0)
Connector<1>
Output 0 to 15
Input 0 to 15
(when station number 0)