Watlow EZ-ZONE RM Limit Module Rev C Instrukcja Użytkownika Pobierz pdf (Strona 121)

Watlow EZ-ZONE

RML Module • 118 • Appendix

Operating Range

Input Type Range Low Range High Units

J -210 1200 Deg C

K -270 1371 Deg C

T -270 400 Deg C

N -270 1300 Deg C

E -270 1000 Deg C

R -50 1767 Deg C

S -50 1767 Deg C

B -50 1816 Deg C

C 0 2315 Deg C

D 0 2315 Deg C

F (PTII) 0 1343 Deg C

RTD (100 ohm) -200 800 Deg C

RTD (1000 ohm) -200 800 Deg C

mV 0 50 mV

Volts 0 10 Volts

mAdc 0 20 mAmps DC

mAac 0 50 mAmps AC

Resistance, 5K

range

0 5000 Ohms

Resistance, 10K

range

0 10000 Ohms

Resistance, 20K

range

0 20000 Ohms

Resistance, 40K

range

0 40000 Ohms

Resistance, 40K

range

0 40000 Ohms

Thermistor Input

Input

Type

Max Error

@ 25 Deg C

Accuracy

Range

Low

Accuracy

Range

High

Units

Thermis-

tor, 5K

range

±5 0 5000 Ohms

Thermis-

tor, 10K

range

±10 0 10000 Ohms

Thermis-

tor, 20K

range

±20 0 20000 Ohms

Thermis-

tor, 40K

range

±40 0 40000 Ohms

• 0 to 40KΩ, 0 to 20KΩ, 0 to 10KΩ, 0 to 5KΩ

• 2.252KΩ and 10KΩ base at 25°C

• Linearization curves built in

• Third party Thermistor compatibility requirements

Base R

@ 25C

Alpha Tech-

niques

Beta

THERM

YSI

Thermistor

Curve

2.252K Curve A 2.2K3A 004 A

10K Curve A 10K3A 016 B

10K Curve C 10K4A 006 C

Digital Input

• Update rate 10Hz

• DC voltage

- Max. input 36V at 3mA

- Min. high state 3V at 0.25mA

- Max. low state 2V

Dry Contact

• Update rate 10Hz

• Min. open resistance 10KΩ

• Max. closed resistance 50Ω

Output Hardware

• Electromechanical relay, Form A, 24 to 240VAC or 30VDC max.,

5A resistive load, 100,000 cycles at rated load, 120/240 @ 125 VA

or 24VAC @ 25VA pilot duty

• Electromechanical relay, Form C, 24 to 240VAC or 30VDC max.,

5A resistive load, 100,000 cycles at rated load, 120/240 @ 125 VA

or 24VAC @ 25VA pilot duty

• Digital outputs

- Update rate 10Hz

- Switched DC

- Output voltage 20VÎ (dc)

- Max. supply current source 40mA at 20VÎ (dc) and 80mA at

12VÎ (dc)

- Open Collector

- Switched voltage max.: 32VÎ (dc)

- Max. switched current per output: 1.5A

- Max. switched current for all 6 outputs combined: 8A

• 0 to 10VÎ (dc) into a min. 1,000Ω load

• 0 to 20mA into max. 800Ω load

Programmable Application Blocks

Actions (events) 16 total

Alarms 16 total

Limit Loops 12 total

Compare 16 total

Off, greater than, less than, equal, not equal, greater than or

equal, less than or equal

Counters 16 total

Counts up or down loads, predetermined value on load signal.

Output is active when count value equals predetermined target

value

Logic 16 total

Off, and, nand, or, nor, equal, not equal, Latch

Linearization 16 total

Interpolated or stepped relationship

Math 16 total

Off, average, process scale, deviation scale, differential (subtrac-

tion), ratio (divide), add, multiply, absolute difference, min.,

max., square root, sample and hold

Timers 16 total

On Pulse produces output of fixed time on active edge of timer

run signal

Delay output is a delayed start of timer run, off at same time

One Shot oven timer

Retentive measures timer run signal, output on when accumu-

lated time exceeds target

Variable 16 total

User value for digital or analog variable

Note:

These specifications are subject to change without

prior notice.

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