Specifications – Watlow EZ-ZONE PM Express Limit User Manual

Page 30

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EZ-ZONE PM Limit Express

• 30 •

Specifications

Specifications

Line Voltage/Power

• All voltage levels represent minimums and maximums

• 85 to 264V~(ac), 47 to 63Hz

• 20 to 28VÅ(ac), +10/-15 percent; 50/60Hz, ±5 percent

• 12 to 40VÎ(dc)

• 10VA maximum power consumption (PM3 and PM6)
• 14VA maximum power consumption (PM4, 8 and 9)

• Data retention upon power failure via nonvolatile memory

• Compliant with SEMI F47-0200, Figure R1-1 voltage sag requirements @ 24VÅ(ac) or higher
Environment

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

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

• 0 to 90 percent RH, non-condensing
Accuracy

• Calibration accuracy and sensor conformity: ±0.1 percent of span, ±1°C @ the calibrated ambient temperature

and rated line voltage

• Type S, 0.2 percent

• Type T, below -50°C; 0.2 percent

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

• Accuracy span: 540°C (1000°F) minimum

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

• cULus

®

UL/EN/CSA C22.2 No. 61010-1 Listed File E185611

• cULus

®

ANSI/ISA 12.12.01-2007, CSA-C22.2 No.213-1987, Class 1 Division 2 Groups A, B, C and D, Tempera-

ture Code T4A, File E184390 (optional)

• UL

®

50, 4X indoor locations, NEMA 4X, IP66 front seal

• CSA C22.2 No. 24 File 158031 (1/32 and 1/16 DIN sizes)

• CE, RoHS by design, W.E.E.E.

• FM Class 3545 File 3029084

• SEMI F47-0200
Serial Communications

• Isolated communications

• Standard Bus Configuration Protocol
Wiring Termination—Touch-Safe Terminals

• Input, power and controller output terminals are touch safe removable 12 to 22 AWG

• Use 75°C, Cu conductor only
Universal Input

• Thermocouple, grounded or ungrounded sensors

• >20MΩinput impedance

• Maximum of 2KΩ source resistance (applies to T/C only)

• RTD 2- or 3-wire, platinum, 100Ω @ 0°C calibration to DIN curve (0.00385 Ω/Ω/°C)

• Process, 4-20mA @ 100Ω, or 0-10VÎ(dc) @ 20kΩ input impedance; scalable

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