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Wiring Section 3-2
Reference Specifications (Product Specifications for Phoenix Contact)
■ Terminal Crimping Tool
Power Supply Selection
Use a DC power supply satisfying the following requirements.
• The secondary circuits of the DC power supply must be isolated from the
primary circuit by double insulation or reinforced insulation.
• The DC power supply must satisfy the requirements for class 2 circuits or
limited voltage/current circuits defined in UL 508.
• The output hold time must be 20 ms or longer.
3-2-3 Wiring I/O Devices
Wiring Input Devices
Refer to the following information for input device selection and wiring.
Model of pin
terminal
Wire dimensions Pin terminal specifications
Dimensions
Cross-
sectional
area of
conductor
(mm
2
)
AWG Stripped
length of
insulation
(mm)
Overall
length L1
(mm)
Length of
metal
part L2
(mm)
Inner
diameter of
conductor
D1 (mm)
Inner
diameter of
insulative
cover D2
(mm)
One-wire pin
terminals
AI 0,34-8TQ 0.34 22 10 12.5 8 0.8 2.0 *1
AI 0,5-10WH 0.5 20 10 16 10 1.1 2.5
AI 0,75-10GY 0.75 18 10 16 10 1.3 2.8
AI 1-10RD 1.0 18 10 16 10 1.5 3.0
AI 1,5-10BK 1.5 16 10 18 10 1.8 3.4
Two-wire pin
terminals
AI-TWIN 2 x
0,75-10GY
2 x 0.75 − 10 17 10 1.8 2.8/5.0 *2
AI-TWIN 2 x 1-
10RD
2 x 1 − 10 17 10 2.05 3.4/5.4
*1: One-wire Pin Terminal *2: Two-wire Pin Terminal
Manufacturer Model
Phoenix Contact CRIMPFOX UD6
Dia. D2
L2
Dia. D1
Insulated cover
L1
Dia. D2
L2
Dia. D1
Insulation
Cover
L1
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