| DISPLAY |
| Type |
4 digit, 7 segment green LED |
| Height |
.PV/SV, .32 (8.12mm) |
| Decimal point |
3 position user-programmable |
| Overrange indication |
Most significant digit = “1” |
| Polarity |
Auto with “-” indication, “+” implied |
| POWER REQUIREMENTS |
| AC Volt |
85-264 VAC @40-440 Hz |
| DC Volt |
24VDC/AC |
| Power Consumption |
100 VAC:5VA or less
240 VAC:8VA or less |
| Dielectric Strength |
1500VAC for 1 min between power source terminal
and input and output terminals. 500VAC for 1 min at other locations |
| Isolation Resistance |
20M min. at 500 VDC |
| Rated Circuit to Ground Voltage |
750 VRMS |
| ACCURACY @ 25°C |
0.5% FS ±1 digit
R T/C: 0-400°C ±1% FS ± 1 digit
B T/C: 0-500°C ±5% FS ± 1 digit |
| ENVIRONMENTAL |
| Operating Temperature |
-10 to 55°C |
| Storage Temperature |
-20 to 60°C |
| Relative Humidity |
0 to 90% non-condensing @ 40°C |
| Temperature Coefficient |
± 0.02% of input ± 0.2 digits)
/ °C |
| Warmup time |
30 minutes |
| NOISE REJECTION |
| NMRR |
50 dB, 50/60 Hz |
| CMRR |
(w/1 K unbalanced @ 60 Hz): 140 dB min |
| CONTROL FUNCTIONS |
| Fuzzy Control |
Basic actions in PID control have been realized
according to fuzzy control rules. |
| PID Control W/Auto-Tuning |
Proportional band (P) 0-999.9% FS (ON/OFF
action when P=0)
Reset Time (I) 0-3200 sec (No integral action when I=0)
Rate time (D) 0-999.9 sec (No derivative action when D=0) |
| Sampling Cycle |
0.5 sec |
| Output Cycle |
1-150 sec |
| Hysteresis Width |
0-50% (ON/OFF control) |
| Ramping SV |
8-segment ramp/soak
(SV: 0-100% FS/Time: 0-99 hr. 59 min)
Power on start of ramping SV is possible |
| MECHANICAL |
| Weight: |
P21-1: 150g
P21-2, -3: 300g
P21-4: 400g |
| INPUT RATINGS |
Input Signal |
Input Range
(°C) |
Input Range
(°F) |
Remarks |
| Thermocouple |
| J |
0-800 |
32-1472 |
Cold
Juncation compensating function built-in
|
| K |
0-1200 |
32-2192 |
| R |
0-1600 |
32-2912 |
| B |
0-1800 |
32-3272 |
| S |
0-1600 |
32-2912 |
| T |
-199-200 |
328-392 |
| T |
-150-400 |
-238-752 |
| E |
-199-800 |
-328-1472 |
| N |
0-1300 |
32-2372 |
| PL2 |
0-1300 |
32-2372 |
| RTD |
| Pt100 |
-150-850 |
-238-1562 |
Allowable wiring
resistance 10 ohms max (per wire) |
| DC
Voltage/ Current |
| 1-5V |
Scaling Range:-1999 to 9999
Engineering Units |
For current input use the 25 resistor
to obtain 1-5V or 0-5V DC input |
| 0-5V |
| 4-20mA |
| 0-20mA |
|
| OUTPUT |
| Relay Contact Output |
220VAC/30VDC 2A (resistive load) |
| SSR Driver Output |
On: 5VDC typ. (5.5V ± 1V), 20mA max. |
| Off |
0.5V or less |
| Alarm Output/2nd Control Output |
220VAC/30VDC 2A (resistive load) |
| Alarm |
Configurable from the front panel keys as
Absolute, Deviation, Zone, or Combination alarms with or without
the hold feature. |