S8M

Model			S8M-CP04	S8M-CP04-R	S8M-CP04-RS
Number of branches			4
I/O char- acter- istics	Rated input voltage		24 VDC (19.2 to 26.4 VDC)
	Allowable input current		17.0 A max.		16.0 A max.
	Maximum tripping output current (per branch output)		4.0 A		3.8 A
	Internal voltage drop *1		0.5 VDC max. (at 4.0 A)		0.7 VDC max. (at 3.8 A)
	Output leakage current		10 mA max.
	Power con- sumption *2	4 branches output, normal operation	10 W max. (at 4.0 A)		15 W max. (at 3.8 A)
		4 branches output, tripping operation	3 W max.
Func- tions	Tripping	Abnormal voltage tripping	28.8 V (fixed), tripping alarm output
		Abnormal current tripping	Setting range: 0.5 to 4.0 A (in 0.1-A units), tripping alarm output		Setting range: 0.5 to 3.8 A (in 0.1-A units), tripping alarm output
		Tripping alarm output	Transistor output 30 VDC max., 50 mA max., leakage current: 0.1 mA max., residual voltage: 2 V max.
	Alarms	Overvoltage	Setting range: 20.0 to 28.8 V (in 0.1-V units), alarm output
		Undervoltage	Setting range: 18.0 to 26.4 V (in 0.1-V units), alarm output
		Overcurrent	Setting range: 0.5 to 4.0 A (in 0.1-A units), alarm output		Setting range: 0.5 to 3.8 A (in 0.1-A units), alarm output
		Run time	Setting range: 0.0 to 99.9 kh (in 0.1-kh units), alarm output (The alarm output is disabled if the time is set to 0.0 kh.)
		Alarm output	Transistor output 30 VDC max., 50 mA max., leakage current: 0.1 mA max., residual voltage: 2 V max.
	Temper- ature	Temperature	Setting range: 25 to 80°C, over-temperature output
		Over- temperature output	Transistor output 30 VDC max., 50 mA max., leakage current: 0.1 mA max., residual voltage: 2 V max.
	Display	Input voltage	Display range: 17.0 to 30.0 V Display accuracy: 2% rdg ±1 digit max.
		Output current	Branch output display range: 0.0 to 4.0 A Peak output current display range:0.0 to 10.0 A Total current display range: 0.0 to 40.0 A Display accuracy: 5% FS (4 A) ±1 digit max.
		Run time	Display range: 0.0 to 99.9 kh Display accuracy: 2% rdg ±1 digit max.
		Temperature	Display range: -10 to 100°C Display accuracy: 2°C ±1 digit max.
	External tripping input		19.2 to 30 VDC, minimum signal width: 10 ms, tripping within 20 ms of input
	Startup sequence		Can be enabled/disabled for each branch output, setting range: 0.0 to 99.9 s in 0.1-s units.
	Shutdown sequence		Can be enabled/disabled for each branch output, setting range: 0.0 to 99.9 s in 0.1-s units.
	Communications		None	Supported (RS-232C)
	Sampling period		1 ms
Other	Ambient operating temperature		Refer to the derating curve in Engineering Data (with no condensation or icing)
	Storage temperature		-25 to 65°C
	Ambient operating humidity		25% to 85% (storage humidity: 25% to 90%)
	Dielectric strength		1.0 kVAC for 1 min (between all charged sections and all non-charged sections; detection current: 20 mA) 500 VAC for 1 min (between all I/O and I/O signals/communications; detection current: 20 mA) 500 VAC for 1 min (between all I/O signals and communications; detection current: 20 mA) 500 VAC for 1 min (between input signals and all output signals; detection current: 20 mA)
	Insulation resistance		100 MΩ min. (between all charged sections and all non-charged sections) at 500 VDC 100 MΩ min. (between all I/O and I/O signals/communications) at 500 VDC 100 MΩ min. (between all I/O signals and communications) at 500 VDC 100 MΩ min. (between input signals and all output signals) at 500 VDC
	Vibration resistance		10 to 55 Hz, 0.375-mm single amplitude for 2 h each in X, Y, and Z directions
	Shock resistance		150 m/s2, 3 times each in ±X, ±Y, and ±Z directions
	EMI	Conducted Emission	Conforms to EN 61204-3 Class B
		Radiated Emission	Conforms to EN 61204-3 Class B
	EMS		Conforms to EN 61204-3 High severity levels
	Approved standards	UL:	UL 508 (Listing)		UL 508 (Listing, Class 2: Per UL 1310)
		cUL:	CSA C22.2 No. 107.1		CSA C22.2 No. 107.1 (Class 2: Per No. 223)
		EN:	EN62477-1		EN62477-1
	Weight		400 g max.

*1. A voltage drop will occur in the S8M. Consider the voltage drop at the output.
*2. When selecting the power supply, be sure to include the internal power consumption of the S8M (approx. 10 W) and
      not just the power consumption of the load.