Digital Multicircuit Protector S8M CSM S8M DS E 3 1 Complete Flexible DC Circuit Protector That Has a Wide Array of Displays, Alarm Outputs, and Other Digital Functions. Four circuit protectors in one package Simple setting of current tripping values for each branch outputs in 0.1-A units Startup and shutdown sequence control Display and alarm functions (Input voltage, output current, run time, and over-temperature) Outputs conform to UL Class 2 (at 24 VDC, S8M-CP04-RS only) DIN Rail mounting RoHs-compliant For the most recent information on models that have been certified for Free Support Tool available safety standards, refer to your OMRON website. Refer to Safety Precautions for All Power Supplies and Safety Precautions on page 20. Model Number Structure Model Number Legend Note: Not all combinations are possible. Refer to List of Models in Ordering Information, below. S8M-CP04- 12 1. Communications 2. UL Class 2 Output (at 24 VDC) None: Not supported None: Not compliant R: Supported (RS-232) S: Compliant Ordering Information List of Models Note: For details on normal stock models, contact your nearest Recommended Power Supplies OMRON representative. Series name Model number Communications UL Class 2 output Model number S8VS S8VS-06024 None Not compliant S8M-CP04 S8VS-09024 Supported (RS-232C) Not compliant S8M-CP04-R S8VS-12024 Compliant S8M-CP04-RS S8VS-18024 S8VS-24024 S8VM S8VM-05024 S8VM-10024 S8VM-15024 S8VM-30024C S8VM-60024C Note: 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. This Datasheet describes only the minimum setting operations required when using the S8M for the first time. Refer to the S8M User s Manual (Cat. No. Z241), when making further settings. 1S8M Specifications Ratings/Characteristics Item Model S8M-CP04 S8M-CP04-R S8M-CP04-RS Number of branches 4 I/O Rated input voltage 24 VDC (19.2 to 26.4 VDC) character- Allowable input current 17.0 A max. 16.0 A max. istics Maximum tripping output current 4.0 A 3.8 A (per branch output) Internal voltage drop (See note 1.) 0.5 VDC max. (at 4.0 A) 0.7 VDC max. (at 3.8 A) Output leakage current 10 mA max. Power 4 branches output, 10 W max. (at 4.0 A) 15 W max. (at 3.8 A) consump- normal operation tion 4 branches output, 3 W max. (See note 2.) tripping operation Functions Tripping Abnormal voltage 28.8 V (fixed), tripping alarm output tripping Abnormal current Setting range: 0.5 to 4.0 A (in 0.1-A units), tripping alarm Setting range: 0.5 to 3.8 A (in 0.1-A tripping output units), tripping alarm output Tripping alarm out- Transistor output put 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. Temperature Temperature Setting range: 25 to 80C, over-temperature output Over-temperature Transistor output 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 100C Display accuracy: 2C 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 2