Watlow EZ-ZONE RME - Manual (Page 117)

Watlow EZ-ZONE® RME Module • 114 • Chapter 7 Appendix
RME 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. (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)
Agency Certifications
• 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.
• CE
Serial Communications
• The RME module ships with the isolated Standard Bus protocol
for configuration and communication connection to all other EZ-
ZONE products
Maximum System Configuration
• One access module plus up to 16 additional RM modules (any
combination), with up to 152 control loops
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 0.8Nm (7.0 lb.-in.) right angle, 0.5Nm (4.51 lb-in) front
terminal block
• Ring lug terminal block
- Wire strip length 7.6 mm (0.30 in.)
- Torque 1.13Nm (10.0 lb.-in.)
• 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)
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 100KΩ
• Max. closed resistance 50Ω
Output Hardware
Digital Output
• Update rate 10Hz
• Switched DC
- Output voltage 20VÎ (dc) or 12VÎ (dc), user selectable
- 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
Dual Solid-State Relays
• Dual SSR board option, Form A, 10A max. each SSRs combined
@ 24VÅ (ac) min., 264VÅ (ac) max., opto-isolated, without con-
tact suppression
- Maximum resistive load 10 A per output @ 240V (ac)
- Maximum 20 A per card @ 50
0 C
- Maximum 12 A per card @ 65 0 C
Quad Relays
• Four electromechanical relays, Form A, 5A, 24 to 240VÅ (ac) or
30VÎ (dc) max., resistive load, 100,000 cycles at rated load. Re-
quires a min. load of 20mA at 24V, 120/240 VÅ (ac) 125VA, 24VÅ
(ac) 25VA pilot duty
Process/Retransmit Outputs, Range Selectable
• - 0 to 10V Î(dc) into a min. 4KΩ load
- 0 to 20mA into max. 400Ω load
Resolution
- dc ranges: 0.2mV nominal
- mA ranges: 0.4µA nominal
Calibration Accuracy
- dc ranges: ±15 mV
- mA ranges: ±30 µA
Temperature Stability
- 100 ppm FSR/°C
Quad Solid-State Relays
• 2 A at 20 to 264VÅ (ac) maximum resistive load
• 50 VA 120/240VÅ (ac) pilot duty
Programmable Application Blocks
Actions (events) 8 total
Alarms 8 total
Compare 8 total
Off, greater than, less than, equal, not equal, greater than or
equal, less than or equal
Counters 8 total
Counts up or down, loads predetermined value on load signal.
Output is active when count value equals predetermined target
value.
Logic 8 total
Off, and, nand, or, nor, equal, not equal, latch
Linearization 8 total
Interpolated or stepped relationship