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S
PECIFICATIONS
part
4
91
Accuracy:
See the following Specification Chart.
Resolution:
1¡/0.1¡; 10 µV process
Temperature Stability:
0.08¡C/¡C; 50 ppm/¡C process
Thermocouple Cold End Tracking:
0.05¡C/¡C
NMRR:
60 dB
CMRR:
120 dB
A/D Conversion:
Dual slope
Reading Rate:
3 samples per second
Digital Filter:
Programmable
Display:
Dual 4-digit, 7-segment LED, 9.2 mm (0.36"); red process variable, green
setpoint; indicators for output and alarm status; 7.6 mm (0.3") for NEMA 12 units
Warmup to Rated Accuracy:
30 min
IINPUT
Input Types:
Thermocouple, RTD, analog voltage, analog current
Thermocouple Lead Resistance:
100 ½ max
RTD Input: 100/500/1000½ Pt sensor, 2, 3, or 4-wire; 0.00385 or 0.00392 curve
Voltage Input:
0 to 100 mV, 0 to 1 V, 0 to 10 Vdc
Current Input:
0 to 20 mA (5 ohm load)
Configuration:
Single-ended
Polarity:
Unipolar
Step Response:
0.7 sec for 99.9%
Decimal Selection:
None, 0.1, 0.01 or 0.001
Span Adjustment:
0.001 to 9999 counts
Offset Adjustment:
-999 to +9999
CONTR
ROL
Action:
Reverse (heat) or direct (cool)
Modes:
Time proportioning and proportional control modes; selectable preset tune,
adaptive tune, auto-tune, PID, proportional, proportional with integral, proportional
with derivative with anti-reset windup, on-off
Rate:
000.0 to 399.9 sec
Reset:
0 to 3999 sec
Cycle Time:
1 to 199 seconds; set to 0 for on/off operation
Gain:
0.5 to 100% of span; setpoints 1 or 2
Damping:
0000 to 0008
Soak:
00.00 to 99.59 (HH:MM), or off
Ramp to Setpoint:
00.00 to 99.59 (HH:MM), or off
Autotune:
Operator initiated from front panel
CONTR
ROL OUTPUT:
Relay:
5 A @ 120 Vac, 3 A @ 240 Vac; configurable for on/off, PID or
ramp and soak
Output 1:
SPDT type
Output 2:
SPST type
SSR:
Rated 0.5 A @ 120/240 Vac, continuous
DC Pulse:
non-isolated; 10 Vdc @ 20 mA
Analog Output:
0 to 10 Vdc or 0 to 20 mA; 500 ½ max
OPTIIONS:
Remote Setpoint Selection:
Up to 3 setpoints stored in memory;
contact closure selection
Summary of Contents for MICROMEGA CN77000 series
Page 4: ...NOTES ...
Page 19: ...SETUP part 2 11 Dip Switch Settings ...
Page 31: ...Figure 3 2 Flowchart for Input Type OPERATION CONFIGURATION MODE part 3 23 ...
Page 36: ...Figure 3 3 Flowchart for Reading Configuration part 3 OPERATION CONFIGURATION MODE 28 ...
Page 45: ...Figure 3 5 Flowchart for Loop Break OPERATION CONFIGURATION MODE part 3 37 ...
Page 49: ...OPERATION CONFIGURATION MODE part 3 41 Figure 3 6 Flowchart for Output 1 ...
Page 59: ...OPERATION CONFIGURATION MODE part 3 51 Figure 3 7 Flowchart for Output 2 ...
Page 65: ...OPERATION CONFIGURATION MODE part 3 57 Figure 3 8 Flowchart for Ramp Soak ...