SM-P00077-A/3
2. INSTALLATION
51
2020-04-15
2.5.7
Flat cable connector (T50)
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Flat cable connector
The connector used for wiring method T50 complies with MIL-C-83503 standard. Flat cable insulation
displacement connector simplifies wiring work.
Pin numbers are assigned differently depending on the PLC manufacturer, but the functions are
assigned in the same way. Use the triangle mark (
▼
) shown on the connector and the table below as a
reference when wiring. The triangle mark (
▼
) indicates the reference point for both the plug and the
socket.
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Precautions on wiring the flat cable connector (T50)
• Signal arrays of the PLC output unit must match signal arrays on the valve side. Direct connections
with the PLC are limited. Use the cable specified by the PLC manufacturer.
• Only 24 VDC or 12 VDC power can be used.
• When driving T50 type with a general output unit, use the + terminal (20, 10) of the 20-pin connector
as the + side common and use the NPN transistor output open collector type for the drive circuit.
• Connecting this manifold to the input unit may cause damage not only to the manifold itself but also to
peripheral devices. Do not connect this manifold to the input unit.
• Manifold stations are numbered in order from left to right with the piping port towards the user (refer to
the figure below).
• Voltage drop occurs when energizing solenoids at the same time or depending on the cable length.
Make sure that the voltage drop on the solenoid does not exceed 10% of the rated voltage.
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Internal wiring
1st station
2nd station
3rd station
nth station
Manifold
station no.
