49
Parameter Setting Ranges Section 4-2
4-2 Parameter Setting Ranges
Note (1) In the S8M-CP04-RS, the setting range is 0.5 to 3.8 A and the default val-
ue is 3.8 A.
(2) If the run time value is set to 0.0 kh, no alarm will be output.
(3) The default setting for the over-temperature output value is 80
°C, i.e., the
over-temperature output is essentially disabled.
4-3 Switching the Operating Mode
The S8M's parameters are set in Setting Mode. A newly purchased S8M auto-
matically starts in Setting Mode, but it may be necessary to switch to Setting
Mode if the S8M has been operated before.
Parameter LED Indicators Setting range Default value
Seven-segment
display
Branch output
indicator
Unit
indicator
Current tripping value c-v Only relevant
circuits lit
A 0.5 to 4.0 A (See
note 1.)
4.0 A (See note 1.)
Abnormal current tripping
type
c-t Standard or instan-
taneous
Standard
Overcurrent alarm value a-v 0.5 to 4.0 A (See
note 1.)
4.0 A (See note 1.)
Overcurrent alarm type a-t Standard or instan-
taneous
Standard
Undervoltage alarm value v-u Not lit V 18.0 to 26.4 V 20 V
Overvoltage alarm value v-o 20.0 to 28.8 V 28.8 V
Run time value tim kh 1 to 99.9 kh 0.0 kh (See note 2.)
Over-temperature output
value
tmp °C25 to 80°C80°C (See note 3.)
Startup sequence ups Only relevant
circuits lit
s 0 to 99.9 s 0 s
Shutdown sequence dws 0 to 99.9 s 0 s
External Tripping Input trg Only relevant
circuits lit
None Valid/Invalid Valid (Enabled)
Unit number uno Not lit None 0 to 31 0
Baud rate dps 4.8 or 9.6 kbps 9.6 kbps
Data length len 7 or 8 bits 7 bits
Stop bits bit 1 or 2 bits 2 bits
Parity pty None, Even, or Odd Even
Send wait time swt --- 00 to 999 ms 0 ms
Clear run time clr None --- ---
c -
V
Seven-segment display
Unit indicators
Branch output indicators
23
4
°C
kh
V
A
s
1
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