Omega CN158 User Manual
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(14) EE
(15) EF
(16) F1
(17) F2
(18) F3
(19) F4
(20) F5
(21) F6
(22) F7
8. Specifications
Display
• Digital display:
Measured value (PV)/7-segment green
LED 4 digits
Set value (SV) /7-segment orange
LED 4 digits
LED 4 digits
Set value (SV) /7-segment orange
LED 4 digits
• Parameter display:
7-segment LED for PV and SV
• Action display:
Green LEDs for 5 points of output
(OUT), auto tuning (AT), operating
mode (STBY), remote (COM) and
manual output (MAN). Red LEDs for
2 points of alarm (AH, AL/HB).
(OUT), auto tuning (AT), operating
mode (STBY), remote (COM) and
manual output (MAN). Red LEDs for
2 points of alarm (AH, AL/HB).
• Display accuracy:
±(0.3% FS+1 digit) excluding cold
junction temperature compensation
accuracy in the case of the
thermocouple input.
±5% FS for temperatures below 400°C
(750 °F) of thermocouple B.
junction temperature compensation
accuracy in the case of the
thermocouple input.
±5% FS for temperatures below 400°C
(750 °F) of thermocouple B.
• Display accuracy range: 23±5 °C (18~28 °C)
• Display resolution:
• Display resolution:
Depends on measuring range (0.001,
0.01, 0.1, 1)
0.01, 0.1, 1)
• Measured display range: -10~110% (-210~680 °C for -200~
600 °C of R.T.D. input)
Setting
• Setting:
By 5 front key switches
• Setting range:
Same as measuring range.
Input
• Type of input :
Multiple input of Thermocouple,
R.T.D., Voltage (mV), or Voltage (V),
or Current 4~20mA DC by code
selection
R.T.D., Voltage (mV), or Voltage (V),
or Current 4~20mA DC by code
selection
• Thermocouple:
B, R, S, K, E, J, T, N, {U, L (DIN
43710)} Refer to Measuring range
code table.
43710)} Refer to Measuring range
code table.
External resistance:
100
Ω max.
Input impedance:
500k
Ω min.
Burnout:
Standard feature (up scale)
Cold junction
temperature
compensation accuracy: ±2°C (°F) (5~45 °C)
temperature
compensation accuracy: ±2°C (°F) (5~45 °C)
±5 °C to the negative side of
measuring range in case of T and U
input, though.
input, though.
• R.T.D:
JIS Pt100 / JPt100 3-wire type
Amperage:
Approx. 0.25mA
Lead wire tolerable
resistance:
resistance:
5
Ω max. / wire (The 3 lead wires
should have same resistance.)
• Voltage :
0~10, 10~50, 0~100mV DC or 0~1,
1~5, 0~10V DC
1~5, 0~10V DC
Input impedance:
500k
Ω min.
• Current:
4~20mA DC
Receiving impedance:
250
Ω
• Input scaling function: Scaling possible for voltage (mV, V)
or current (mA) input.
Scaling range:
-1999~9999 counts.
Span:
100~5000 counts
Position of decimal
point:
point:
None, 0.0, 0.00, 0.000
• Sampling cycle:
0.5 sec.
• PV bias range:
± 200 unit
• PV filter:
0~100 sec. (0=without filter)
Control
• Control mode:
Auto tuning PID/ ON-OFF control
• Proportional band (P):
Off, 0.1~999.9% FS (Off setting: On-
Off action)
Off action)
• Integral time (I):
Off, 1~6000 sec. (Off setting: P-PD
action)
action)
• Derivative time (D):
Off, 1~3600 sec. (Off setting: P-PI
action)
action)
• Manual reset (MR):
-50.0~50.0% (Valid when P
≠ OFF
and I=OFF)
• Output limiter:
Lower limit limiter 0~99%, Higher
limit limiter 1~100% (Priority given to
lower limit limiter)
limit limiter 1~100% (Priority given to
lower limit limiter)
• Soft start of output:
Off, 1~100 sec.
• ON/OFF hysteresis:
1~999 units
• Proportional cycle:
1~120 sec. (Factory-set value: 30 sec.
for contact output and 3 sec. for SSR
drive voltage output.)
for contact output and 3 sec. for SSR
drive voltage output.)
• Control output
characteristics:
RA / DA selectable (set to RA when
shipped)
shipped)
• Set value function (SF) : Off (Off = 0.00) and 0.01~1.00
Control Output
• Contact output:
240V AC 2.5A / resistive load: 1.5A /
inductive load
inductive load
• Current output :
4~20mA DC / load resistance: 600
Ω
max.
• SSR drive voltage
output :
15±3V DC (with load resistance at
1.5k
1.5k
Ω) /load current: 20mA maximum
• Voltage output :
0~10V DC /
load current: 2mA maximum
load current: 2mA maximum
Manual Control
• Output setting range:
0~100% (setting resolution: 1%) but
within range set by higher/lower
output limiters.
within range set by higher/lower
output limiters.
• Auto/manual switching: Balanceless bumpless. Within
proportional band range.
Communication (Optional)
• Signal level:
EIA standards, conforming with RS-
422A and RS-485.
422A and RS-485.
• Communication system: RS-422A 4-wire half duplex multi-
drop system. RS-485 2-wire half
duplex multi-drop (bus) system.
duplex multi-drop (bus) system.
• Synchronous system:
Start-stop synchronous system.
• Data format:
Select data format of communication
from 7b_E (data bit length: 7bits,
parity: even, stop bit: 1) or 8b_n
(data bit length: 8bits, parity: none,
stop bit: 1)
from 7b_E (data bit length: 7bits,
parity: even, stop bit: 1) or 8b_n
(data bit length: 8bits, parity: none,
stop bit: 1)
E
E
DF (hysteresis) value
E
F
MR (manual reset) value
F
1
PV bias value
F
2
PV filter value
F
3
Proportional cycle time
F
4
Lower limit output limiter value
F
5
Higher limit output limiter value
F
6
Soft start time
E
7
C_MD
C MD:
Communication mode
Remote: 1 (31H)
Local:
Local:
0 (30H)