Mounting and Wiring
I/O module limits
The controller backplane accommodates I/O module types, subject to the limitations as shown in Table 7. Slot Locations identify the allowable locations in the controller for each I/O module type. Maximum Allowed describes the maximum I/O configuration for each I/O type in a controller.
Table 7 I/O module installation limitations
I/O Module Type
Universal Analog Input (ID: 1)
Analog Output (ID: 2)
Digital Input (ID: 3,4,5)
Digital Input 16 point (ID: B)
Digital Output (ID: 6,7,8)
Digital Output (ID: A)
±15 Vdc pH Power Module (ID: C) Pulse/Frequency Input (ID: D)
Slot Locations (See Figure 9)
1 through 16
1 through 10
1 through 16
14 through 16
1 through 8
9 through 16
5, 6
1 through 16
Maximum Allowed
16 modules (64 points)
4 modules (16 points)
16 modules (96 points)*
3 modules (48 points)*
8 modules (48 points)*
2 modules (12 points)*
2 modules (8 points)
16 modules (64 points)
NOTE: Total combined I/O of all types is limited by the 16 available controller I/O slots.
* Total of 96 DI/DOs allowed for all types combined.
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