FLEX I/O Digital Input and Output Modules w/ Diagnostics 7
Publication 1794-IN096C-EN-P - August 2015
4. Position the module (4) with its alignment bar (5) aligned with the groove (6) on
the terminal base.
5. Press firmly and evenly to seat the module in the terminal base unit. The module
is seated when the latching mechanism (7) is locked into the module.
Connecting Wiring for the 1794-IB16D Module
(using a 1794-TB32 or 1794-TB32S Terminal Base)
1. Connect individual input wiring (IN00-IN15) to terminals 0 thru 15 on the 0-15
row (A) as indicated in the Wiring Connections for 1794-IB16D table.
2. Connect individual Sensor Power wiring (sensor power 0...15) to terminals
17...32 on the 16-33 row (B) as indicated in the Wiring Connections for
1794-IB16D table. Do not connect to terminals 16 or 33.
3. Connect the associated +V2 DC power lead of the input device to the
corresponding terminal on the 34-51 row (C) for each input as indicated in the
Wiring Connections for 1794-IB16D table. (The +V2 power terminals of row
(C) are internally connected together.)
4. Connect the associated input common (3-wire devices only) to the
corresponding terminal on the 34-51 row. (C) for each input as indicated in the
Wiring Connections for 1794-IB16D table. (Commons are internally connected
together.)
5. Connect +V DC power to pin 43 (+V) on the 34-51 row (C).
6. Connect -V DC common to pin 44 (COM2) on the 34-51 row (C).
7. If daisychaining input wiring power to the next terminal base, connect a jumper
from terminal 49 (+V DC) on this base unit to the power terminal on the next
base unit (refer to the installation instructions for the next terminal base unit).
8. If continuing input wiring common to the next base unit, connect a jumper from
terminal 50 (common) on this base unit to the common terminal on the next base
unit (refer to the installation instructions for the next terminal base unit).
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