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* In overseas warehouse, about 1 week lead time for this Model.Delta Tau: Opto-Isolated I/O Board (ACC-27 OPT2/2A)
PMAC’s Accessory 27 (ACC-27) Opto-Isolated I/O board provides eight discrete optically isolated input and eight discrete optically isolated output interfaces to the PMAC controller. This accessory may be used in addition to the standard discrete I/O provided on the PMAC through its JOPT(J5) connector and those provided with the main I/O expansion board (Accessory 14). ACC-27’s Option 2 allows direct interface to the PMAC through its JTHW (J3) connector. The external (isolated) voltage supply to this board for the eight inputs and outputs can range from 12 to 24V.
Note: No other PMAC Accessory which communicates with PMAC through its Thumbwheel Port (JTHW) may be used in conjunction with this accessory.
Accessory 27 Option 2:
(Option 1 no longer exist)
Option 2 uses a 26-pin Header for direct interface to the PMAC's JTHW connector.
Option 2A has a 25-pin DB connector for interfacing to the external I/O. Option 2B uses the 18-pin terminal block instead.
Option 2B is the factory default option for ACC-27 which orders a 26-pin header for the PMAC interface and the 18-pin terminal block for the I/O connections.
Connectors:
Refer to the pin out description of the connectors at the end of this manual.
P1 (JiSBX) iSBX connector used for Option 1 which no longer exists.
P2 (JTHW) (Option 2 only) is a 26-pin Header that allows the ACC-27 to be an interface with a PMAC through its JTHW connector.Note: Only one ACC-27 may be connected to a PMAC through this connector.
P3 (25-pin DB) (Option 2A only) provides the I/O connections and the external (isolated) power supply connections.
TB1 (18-pin Terminal Block) (Option 2B only) provides the I/O connections and the external (isolated) power supply connections.