Hitachi NJI-350B manual Point Basic Unit, Name and function of each part Type

Chapter 4 Product lineup and wiring

4.2 10-Point Basic Unit

Name and function of each part

Type

EH-D10DT, EH-D10DTP, EH- D10DR

5] RUN input	6] Input terminals
9] Mounting hole	1] POW LED
	2] OK LED
	3] RUN LED
4] Serial port

8] Power terminal

7] Output terminals

10] DIN rail installation clip

No.	Item	Detailed explanation	Remarks
Explanation of operation		Operations are performed according to the contents of the program created
		by the user.
		The programming unit connected to the CPU module communication port
		writes and reads the user programs.
		Memory is installed inside the CPU module in which the user programs and
		internal output information are stored.
1]	POW LED	Lighting when the power is supplied.
2]	OK LED	Lighting at normal operation.	See Chapter 12.
3]	RUN LED	Lighting at RUN status.
4]	Serial port 1	Serial port for connecting the peripheral units. Communication speed is	See Chapter 11.
		fixed as 4800 bps.
		The communication specification is set to port 1.
5]	RUN input	External input to control the PLC’s RUN/STOP.	See Chapter 10.
		When 24 V DC is loaded to the RUN terminal and common terminal (C),
		the PLC is set to the RUN state.
6]	Input terminals	Terminals for wiring the external input units.	See Chapter 10.
		One piece of AWG14 to AWG22 (2.1 to 0.36 mm2) or two pieces of
		AWG16 to AWG22 (1.3 to 0.36 mm2) per terminal may be wired.
7]	Output terminals	Terminals for connecting the external load. The wiring specification is the	See Chapter 10.
		same as for the input terminals.
8]	Power terminal	Terminal for connecting the power supply. The wiring specification is the	See Chapter 10.
		same as for the input terminals.
9]	Mounting hole	Used when installing the PLC directly on a board with screws	See Chapter 10.
10]	DIN rail	Used when installing the PLC on a DIN rail	See Chapter 10.
	installation clip

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