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SECTION 4
Basic I/O Unit Specifications
This section provides the basic specifications for the Basic I/O Units, including Communications Units, Transistor
Input Units, Transistor Output Units, and Relay Output Units.
4-1 Communications Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
4-2 Specifications Common to All Basic I/O Units . . . . . . . . . . . . . . . . . . . . . . . 40
4-2-1 Precautions for Connecting a DC 2-wire Sensor . . . . . . . . . . . . . . . 42
4-2-2 TS Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
4-3 Transistor Input Units. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
4-3-1 GT1-ID16 Transistor Input Unit with Terminal Block (NPN) . . . . 44
4-3-2 GT1-ID16-1 Transistor Input Unit with Terminal Block (PNP) . . . 46
4-3-3 GT1-ID16MX Transistor Input Unit with Connector (NPN) . . . . . 48
4-3-4 GT1-ID16MX-1 Transistor Input Unit with Connector (PNP) . . . . 50
4-3-5 GT1-ID16ML Transistor Input Unit with Connector (NPN). . . . . . 52
4-3-6 GT1-ID16ML-1 Transistor Input Unit with Connector (PNP) . . . . 55
4-3-7 GT1-ID16DS Transistor Input Unit with Connector (NPN) . . . . . . 57
4-3-8 GT1-ID16DS-1 Transistor Input Unit with Connector (PNP). . . . . 60
4-3-9 GT1-ID32ML Transistor Input Unit
with High-density Connector (NPN) . . . . . . . . . . . . . . . . . . . . . . . . 62
4-3-10 GT1-ID32ML-1 Transistor Input Unit
with High-density Connector (PNP) . . . . . . . . . . . . . . . . . . . . . . . . 64
4-4 Transistor Output Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
4-4-1 GT1-OD16 Transistor Output Unit with Terminal Block (NPN) . . 66
4-4-2 GT1-OD16-1 Transistor Output Unit with Terminal Block (PNP) . 68
4-4-3 GT1-OD16MX Transistor Output Unit with Connector (NPN) . . . 71
4-4-4 GT1-OD16MX-1 Transistor Output Unit with Connector (PNP) . . 73
4-4-5 GT1-OD16ML Transistor Output Unit with Connector (NPN) . . . 76
4-4-6 GT1-OD16ML-1 Transistor Output Unit with Connector (PNP) . . 78
4-4-7 GT1-OD16DS Transistor Output Unit with Connector (NPN) . . . . 81
4-4-8 GT1-OD16DS-1 Transistor Output Unit with Connector (PNP). . . 83
4-4-9 GT1-OD32ML Transistor Output Unit
with High-density Connector (NPN) . . . . . . . . . . . . . . . . . . . . . . . . 85
4-4-10 GT1-OD32ML-1 Transistor Output Unit
with High-density Connector (PNP) . . . . . . . . . . . . . . . . . . . . . . . . 87
4-5 Relay Output Units. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
4-5-1 GT1-ROP08 Relay Output Unit with Power Relay . . . . . . . . . . . . . 90
4-5-2 GT1-ROS16 Relay Output Unit with Miniature Relay . . . . . . . . . . 92