Omron S8M - Specifications

2 Digital Multicircuit Protector S8M
Specifications
■ Ratings/Characteristics
Item Model S8M-CP04 S8M-CP04-R S8M-CP04-RS
Number of branches 4
I/O
character-
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 (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
consump-
tion
(See note 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.
Functions 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 out-
put
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.
Temperature 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