Do-more T1H Series PLC User Manual, 1st Edition, Rev. C
7-9
Chapter 7: Specifications - Specialty I/O Modules
T1H-CTRIO Output Wiring Diagrams
The module has 4 optically isolated output points (pts. Y0–Y3 with isolated commons
C0–C3, respectively). The outputs must be wired so positive current flows into Cn terminal
and then out of the Yn terminal.
CTRIO
Output
Cn (where
n = 0, 1, 2, 3)
Yn
Load
+
–
Load
+
–
CTRIO
Output
Cn (where
n = 0, 1, 2, 3)
Yn
Output Wiring Schematic
Output Wiring Example
5–36 VDC
5–36 VDC
L
+
–
L
–
+
+
–
5–36 VDC
User Bus 1 = C0 = +24 VDC
User Bus 2 = Y1 = 0 VDC
+
–
+
–
CTRIO Sink
from Load
into “C1”
CTRIO
Source to
Load from
“Y0”
1A
User Bus Terminals (no internal connection to CTRIO)
Input / Output Channels
Channel Commons
–––––––USER BUS 1–––––––
–––––––USER BUS 2–––––––
1B 1C 1D Y0 Y0 Y1 Y1 2A 2B 2C 2D Y2 Y2 Y3 Y3
1M 1M 1M 1M C0 C0 C1 C1 2M 2M 2M 2M C2 C2 C3 C3
Sourcing
Sinking
Top
Row
Bottom
Row
