Do-more T1H Series PLC User Manual, 1st Edition, Rev. C
7-8
Chapter 7: Specifications - Specialty I/O Modules
Quadrature Encoder Wiring Example
Input Wiring Example
Output
+
_
Output
+
_
Output
+
_
Output
+
_
PNP Device
PNP Device
NPN Device
NPN Device
9–30
VDC
+
–
User Bus 1 = 1 M = +24 VDC
User Bus 2 = 2 M = 0 VDC
9–30
VDC
+
–
A
B
Z
Power +
Gnd –
User Bus 1 = 1 M = +24 VDC
User Bus 2 = 0 VDC
NPN Open Collector Output
Encoder
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
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
T1H-CTRIO Input Wiring Diagrams
Top
Row
Bottom
Row
Top
Row
Bottom
Row