Watlow EZ-ZONE RM Limit Module Rev C Manuel d'utilisateur télécharger pdf (Page 120)

Watlow EZ-ZONE

RML Module • 117 • Appendix

RML Specifications

Line Voltage/Power

• 20.4 to 30.8Vı (ac/dc), 50/60Hz, ±5 percent

• Any external power supply used should comply with a class 2 or

SELV rating. (See specific module specification listing for maxi-

mum VA power consumption)

• Data retention upon power failure via nonvolatile memory

• Compliant with Semi F47-0200, Figure R1-1 voltage sag require-

ments

Environment

• 0 to 149°F (-18 to 65°C) operating temperature

• -40 to 185°F (-40 to 85°C) storage temperature

• 0 to 90 percent RH, non-condensing

• Rail Mount modules are considered to be open type equipment

needing to be installed in a fire and shock protection enclosure,

such as a NEMA Type 1 enclosure; unless all circuit connections

are Class 2 or SELV (Saftey Extra Low Voltage)

Accuracy

• Calibration accuracy and sensor conformity: ±0.1% of span, ±1°C

@ the calibrated ambient temperature and rated line voltage

• Types R, S, B; 0.2%

• Type T below -50°C; 0.2%

• Calibration ambient temperature @ 77 ±5°F (25±3°C)

• Accuracy span :1000 °F (540°C) min.

• Temperature stability: ±0.1 °F/°F (±0.1°C/°C) rise in ambient

max.

Agency Approvals

•UL

Listed to UL

61010-1 File E185611

•UL

Reviewed to CSA C22.2 No.61010-1-04

•FM Class 3545 File 3039786 temperature limit switches

•CE-See Declaration of Conformity RoHS and W.E.E.E.

compliant

Serial Communications

• All modules ship with isolated Standard Bus protocol for con-

figuration and communication connection to all other EZ-ZONE

products. As an optional feature Modbus RTU can also be or-

dered.

Optional User Interface (RUI)

• 1⁄16 DIN

• Dual 4 digit, 7-segment LED displays

• Seven-segment address LED, programmed via push-button

switch

• Keys: Advance, infinity, up, down keys, plus an EZ-KEY pro-

grammable function key

• Typical display update rate 1Hz

Maximum Limit Configuration

• Up to 12 loops per module with a maximum of 16 modules

Mounting

• DIN-rail specification EN50022, 35 x 7.5 mm (1.38 x 0.30 in.)

• Can be DIN-rail mounted or chassis mounted with customer-

supplied fasteners

Dimensions Weight

155.0 mm

(6.10 in)

116.08 mm

(4.57 in)

Controller:

453.59 g (16 oz.)

Wiring Termination—Touch-Safe Terminals

• Right angle and front screw type terminal blocks (slots A, B, D,

- Input, power and controller output terminals, touch-safe re-

movable 12 to 30 AWG

• Wire strip length 7.6 mm (0.30 in.)

• Torque 0.8Nm (7.0 lb.-in.) right angle, 0.5Nm (4.51lb-in) front

terminal block

• Use solid or stranded copper conductors only

Connector Dimension “A” (mm/in.)

Standard 148 (5.80)

Straight 155 (6.10)

Optional Accessories

Power Supplies

• AC/DC Power supply converter 90-264VÅ (ac) to 24VÎ (dc) volts.

• P/N 0847-0299-0000: 31 W

• P/N 0847-0300-0000: 60 W

• P/N 0847-0301-0000: 91 W

EZ-ZONE RM Product Documentation

• User's Guide, printed hard copy, P/N 0600-0075-0000

• Watlow Support Tools CD, P/N 0601-0001-0000

Universal Input

• Thermocouple, grounded or ungrounded sensors

• >20MΩ input impedance

• 3µA open sensor detection

• Max. of 2KΩ source resistance

• RTD 2 wire, platinum, 100Ω and 1000Ω @ 0°C calibration to

DIN curve (0.00385Ω/Ω/°C)

• Process, 0-20mA @ 100Ω ,or 0-10V Î(dc) @ 20kΩ input imped-

ance; scalable, 0-50mV, 0-1000Ω

Voltage Input Ranges

- Accuracy ±10mV ±1 LSD at standard conditions

- Temperature stability ±100 PPM/°C maximum

Milliamp Input Ranges

- Accuracy ±20µA ±1 LSD at standard conditions

- Temperature stability ±100 PPM/°C maximum

Resolution Input Ranges

- 0 to 10V: 200 µV nominal

- 0 to 20 mA: 0.5 mA nominal

Input Type

Max

Error

@ 25

Deg C

Accuracy

Range

Low

Accuracy

Range

High

Units

J ±1.75 0 750 Deg C

K ±2.45 -200 1250 Deg C

T ±1.55 -200 350 Deg C

N ±2.25 0 1250 Deg C

E ±2.10 -200 900 Deg C

R ±3.9 0 1450 Deg C

S ±3.9 0 1450 Deg C

B ±2.66 870 1700 Deg C

C ±3.32 0 2315 Deg C

D ±3.32 0 2315 Deg C

F (PTII) ±2.34 0 1343 Deg C

RTD, 100 ohm ±2.00 -200 800 Deg C

RTD, 1000 ohm ±2.00 -200 800 Deg C

mV ±0.05 -50 50 mV

Volts ±0.01 0 10 Volts

mA dc ±0.02 0 20

mAmps

mA ac ±5 -50 50

mAmps

1 2 ... 115 116 117 118 119 120 121 122 123 124 125 126 127

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Watlow EZ-ZONE RM Limit Module Rev C Manuel d'utilisateur Page 120

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