Specifications

Publication 1794-SG002D-EN-P - May 2012
66 Select a FLEX I/O Terminal Base Unit
1794-TB3T Cage clamp,
temperature
16 I/O; 10 common; 4 +V;
8 chassis ground; 2 sets
of CJC for temperature
modules
Up to 132V AC/156V DC 10 Module
dependent
A cage clamp terminal base to be
used with the 1794-IT8 or 1794-IRT8
module (when used in thermocouple
mode) – also provides chassis ground
connections for the 1794-IR8 and
analog modules.
1794-TB3TS,
1794-TB3TSK
(2)
Spring
clamp,
temperature
16 I/O; 10 common; 4 +V;
8 chassis ground; 2 sets
of CJC for temperature
modules
Up to 132V AC/156V DC 10 2 A spring clamp version of the
1794-TB3T.
1794-TBKD Cage clamp,
knife
disconnect
16 I/O; 18 common; 2 +V — Module
dependent
A cage clamp terminal base with 16
knife disconnects.
1794-TBKDS A spring clamp version of the
1794-TBKD.
1794-TBN,
1794-TBNK
(2)
Screw clamp,
NEMA-style
16 I/O; 2 common; 2 +V 264V AC/DC A NEMA-style screw clamp terminal
base for larger gauge wires with a
cover for I/O wiring.
1794-TBNF Screw clamp,
fused
NEMA-style
Provides eight 5 x 20 mm fused,
screw terminals with a cover for I/O
wiring – shipped with fuses for the
1794-OA8 module; can be used to
fuse the 1794-OM8 and 1794-OW8
modules with a replacement fuse.
(3)
1794-TB37DS D-shell 37 Pin; digital and analog — Module
dependent
A 37-pin D-shell termination for both
digital and analog modules.
1794-TB62DS 62 Point; A 62-pin D-shell termination for both
digital and analog modules.
1794-TB62DSG Grounded
D-shell
62 Point; chassis ground A grounded version of the
1794-TB62DS – for use with analog
modules.
1794-TB62DST D-shell 16 I/O; 18 common; 2 +V;
2 sets of CJC for
temperature modules
A 62-pin D-shell termination to be
used with the 1794-IT8 or 1794-IRT8
module (when used in thermocouple
mode) – also provides chassis ground
connections for analog modules.
(1) Isolation voltage, channel to channel, is determined by the insert module. Use this conductor category information for planning conductor routing. Refer to Industrial
Automation Wiring and Grounding Guidelines, publication 1770-4.1
.
(2) The letter K in the last position of the catalog number, before the series designation, indicates a conformal coated versions of standard modules and can be used with
extended temperature modules (modules ending in -XT).
(3) Contains eight 5 x 20 mm fuses (one for each even-numbered terminal – 0…14 on row B). Shipped with 1.6 A, 250V AC Slow Blow fuse suitable for the 1794-OA8 AC
output module. Refer to individual installation instructions for fusing recommendations for other modules. Littlefuse PN23901.6 A-B PN94171304, SAN-O PNSD6-1.6A.
General Specification Comparison
Catalog
(1)
Termination
Type
Connections Used in Applications Current
Capacity,
max
Wiring
Category
Purpose