AutomationDirect T1K-08ND3 Quick Start Manual - Page 8
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Field Device Wiring and Power Options
Terminal base
specifications
Terminator I/O terminal bases are available in
screw clamp and spring clamp versions for both
half-size and full-size modules. Hot stamp silk
screen labeling is used for numbering I/O points,
commons, and all power terminals.
Terminal Base Specifications
Terminal Type
Screw type
Recommended
1.77–3.54 lb·in
Torque
(0.2–0.4 N·m)
Solid:
25–12 AWG
Wire Gauge
Stranded:
26–12 AWG
Field device wiring options
Power your DC input devices from the
integrated 24VDC power supply bus.
T1K-08ND3 and T1K-16ND3 DC input
modules include jumpers for selecting the
internal 24VDC power supply available
for 2- and 3-wire field devices. Clearly
labeled triple stack terminals make it easy
to wire 2- and 3-wire devices ensuring
clean wiring with only one wire per
termination.
External user supplied 24VDC power, or auxil-
iary 24VDC terminals from T1K-01AC, can
be easily applied directly to one end of the
terminal rows and jumpered across each base
in the system.
This is a convenient solution for powering
analog I/O and discrete DC output devices
whose modules do not have direct access
to the internal bussed 24VDC. If current
consumption increases, simply add addi-
tional T1K-01AC power supplies into the
system.
Hot-swap feature
The hot-swap feature allows Terminator I/O
modules to be replaced while system power is
on. Be careful not to touch the terminals with
your hands or other conductive material to
avoid the risk of personal injury or equipment
damage. Always remove power if it is equally
convenient to do so.
Note: Before hot-swapping analog or
w w w . a u t o m a t i o n d i r e c t . c o m
T1K-08B $62.00
T1K-16B $77.00
Spring clamp
N/A
Solid:
25–14 AWG
Stranded:
26–14 AWG
2 and 3-wire DC input devices
using bussed 24VDC power
Use externally supplied 24VDC
power or 24VDC auxiliary power
DC output modules in a Terminator I/O
system, make sure that each of the analog
and DC output module's 24VDC and 0
VDC base terminals are wired directly to
the external power supply individually. If the
external 24VDC and 0 VDC is jumpered
from base to base in a daisy chain fashion,
and an analog or DC output module is
T1K-08B-1 $62.00
Screw clamp, half-size
T1K-16B-1 $77.00
Screw clamp, full-size
from T1K-01AC
For the latest prices, please check AutomationDirect.com.
Do not jumper modules together
to create a 24VDC bus when using
the "hot swap" feature. See Note
below.
removed from its base, the risk of discon-
necting the external 24VDC and 0 VDC to
the subsequent I/O modules exists.
Universal Field I/O
Spring clamp, half-size
Spring clamp, full-size
tFED-57