SD-53-2608
Figure 18-11. 16 Digital Input/ Digital Output (16DI/DO) PCB Option
16 Digital Input/Digital Output (16DI/DO) PCB Option (686B625U01)
1. This option card occupies Expansion Board slot 4 (J connectors 3 and 4).
2. It provides 16 additional Contact Closure Inputs (DIs) or Contact Closure Outputs (DOs) in
any mix. Each input or output can be conditioned using the OPTO-22 G4 modules or equivalent
that are listed in the Specifications table of Section 1.
3. The Contact Closure modules correspond to database locations for DI2-17 and DO2-17 (See
Configuration Tables 5-6 and 5-7). When a module is a DI, the corresponding DO bit must
be set to 0. For example, if the first module is dedicated to DI2, then DI2 L002 must be con-
figured to 1 and DO2 L026 must be configured to 0. The reverse would be true if the first
module was dedicated to DO2.
4. It requires a 16DI/DO ITB (686B628U01) and an ITB cable that connects to controller J5.
5. The controller must be expansion ready.
6. This option is mutually exclusive with the 6 Digital Input/4 Digital Output (6DI/4DO) option.
Section 18. Maintenance and Parts List
18-23
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