Control module specifications – Watlow EZ-ZONE RMC User Manual
Page 227
Watlow EZ-ZONE
®
RMC Module
•
224
•
Chapter 8 Appendix
Control Module Specifications
Line Voltage/Power
• 20.4 to 30.8Vı (ac/dc), 50/60Hz, ±5 percent
• Power consumption: 7 W, 14VA
• Any external power supply used should comply with a class 2 or
SELV rating. (Safety Extra Low Voltage)
• Data retention upon power failure via nonvolatile memory
• Compliant with Semi F47-0200, Figure R1-1 voltage sag re-
quirements
Available 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
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
• RMC modules are considered to be open type equipment need-
ing 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
Agency Approvals
• UL®/EN 61010 listed; c-UL C22.2 #61010 File E185611 QUYX,
QUYX7
• ANSI/ISA 12.12.01-2007 Hazardous Locations Class 1, Div.
2-Group A, B, C, D Temperature code T4 (optional) File E184390
QUZW, QUZW7
• EN 60529 IP20; RM modules
• UL® 50, Type 4X Indoor use, EN 60529 IP66; 1⁄16 DIN RUI,
NEMA 4X
• RoHS by design, W.E.E.E.
• FM Class 3545 on limit control versions
• CE
Serial Communications
• The RMC module ships with isolated standard bus protocol for
configuration and communication connection to all other EZ-
ZONE products, Modbus RTU is optional.
User Interface
• Seven-segment address LED, programmed via push-button
switch
• Communication activity, 2 LEDs
• Error condition of each loop, 4 LEDs
• Output status indication, 16 LEDs
Maximum RM System Configuration
• Sixteen (16) modules, 152 loops. Maximum system capacity (all
RM modules) is 16 with one RM Access (RMA) module.
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,
E)
- Input, power and controller output terminals, touch-safe re
movable 12 to 30 AWG
• Wire strip length 7.6 mm (0.30 in.)
• Torque 0.8 Nm (7.0 lb.-in.) right angle, 0.5 Nm (4.51 lb-in) front
terminal block
• Dimensional Drawing
• Use solid or stranded copper conductors only
Connector
Dimension “A” (mm/in.)
Standard
148 (5.80)
Straight
155 (6.10)
Ring Terminal
166 (6.50)
Optional Accessories
Remote User Interface (RUI)
Basic RUI
• 1⁄16 DIN
• Dual 4 digit, 7-segment LED displays
• Keys: Advance, infinity, up, down keys, plus an EZ-KEY pro-
grammable function key
• Typical display update rate 1Hz
EZ-ZONE RMC Product Documentation
• User Manual, printed hard copy, P/N 0600-0070-0000
• Watlow Support Tools CD, P/N 0601-0001-0000
Process PID or over-temperature limit mode
options
• User selectable heat/cool, on-off, P, PI, PD, PID or alarm action,
not valid for limit controllers
• Auto-tune with TRU-TUNE+ adaptive control
• Control sampling rates: Input 10Hz, Output 10Hz
Profile Ramp and Soak
• 25 profiles, 15 sub-routines and 400 total steps
• Option for battery back-up and real-time clock via the access
module.
Accuracy
• Calibration accuracy and sensor conformity: ±0.1% of span, ±1°C
at the calibrated ambient temperature and rated line voltage
• Types R, S, B; 0.2%
• Type T below -50°C; 0.2%
• Calibration ambient temperature at 25°C ±3°C (77°F ±5°F)
• Accuracy span: 540°C (1000°F) min.
• Temperature stability: ±0.1°C/°C (±0.1°F/°F) rise in ambient
max.
Universal Input
• Thermocouple, grounded or ungrounded sensors
- >20MΩ input impedance
• Max. 2KΩ source resistance
• RTD 2- or 3-wire, platinum, 100Ω and 1000Ω @ 0°C (32°F) cali-
bration to DIN curve (0.00385 Ω/Ω/°C)
• Process, 0-20mA @100Ω, or 0-10VÎ (dc) @ 20kΩ input imped-
ance; scalable, 0-50mV
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
• Potentiometer: 0 to 1,200Ω
• Inverse scaling
• Current: input range is 0 to 50mA, 100Ω input impedance
Response time: 1 second max., accuracy ±1mA typical