Instruction Manual

Watlow EZ-ZONE
®
PM Limit Controller • 101 • Appendix
Thermistor Input
Input
Type
Max Er-
ror @ 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40KΩ,0to20KΩ,0to10KΩ,0to5KΩ
• 2.252KΩand10KΩbaseat77°F(25°C)
• Linearizationcurvesbuiltin
• ThirdpartyThermistorcompatibilityrequirements
Base R
@ 25C
Alpha
Tech-
niques
Beta
THERM
YSI
Prompt
[``t;C]
2.252K Curve A 2.2K3A 004 A
10K Curve A 10K3A 016 B
10K Curve C 10K4A 006 C
2 Digital Input/Output Option - 2 DIO
•Digitalinputupdaterate10Hz
 - DCvoltage
  •Max.input36VÎ@3mA
  •Min.highstate3Vat0.25mA
  •Max.lowstate2V
 -Drycontact
  •Min.openresistance10KΩ
  •Max.closedresistance50Ω
  •Max.shortcircuit20mA
•Digitaloutputupdaterate10Hz
 -Outputvoltage24V,currentlimit,Output6=10mAmax.,
 Output5=3poleDIN-A-MITE
®
or 24mA max.
Output Hardware
•Switcheddc=22to32VÎ (dc)@30mAoutput1and3,10mA
output 4
•Switcheddc/opencollector=30VÎ (dc)max.@100mAmax.cur-
rent sink
•Solid-StateRelay(SSR),FormA,0.5A@24VÅ (ac) min., 264V
Å (ac) max., opto-isolated, without contact suppression, 20 VA
120/240VÅ (ac) pilot duty
•Electromechanicalrelay,FormC,5A,24to240VÅ(ac)or30VÎ
(dc)max.,resistiveload,100,000cyclesatratedload,125VApi-
lotdutyat120/240VÅ (ac), 25 VA at 24VÅ (ac)
•Electromechanicalrelay,FormA,5A,24to240VÅ(ac)or30VÎ
(dc)max.,resistiveload,100,000cyclesatratedload,125VApilot
 dutyat120/240VÅ (ac), 25 VA at 24VÅ (ac)
•Universalprocess/retransmit,Outputrangeselectable:
 -0to10VÎ(dc)intoamin.1,000Ωload
 -0to20mAintomax.800Ωload
Resolution
- dc ranges: 2.5mV nominal
 -mAranges:5µAnominal
Calibration Accuracy
 -dcranges:±15mV
 -mAranges:±30µA
Temperature Stability
 -100ppm/°C
Operator Interface
•Dual4digit,7segmentLEDdisplays
•Advance,Reset,upanddownkeys,plusoptionalprogrammable
EZ-KEY(s) depending on model size
•Typicaldisplayupdaterate1Hz
•RESETkeysubstitutedforinfinityonallmodelsincludingthe
limit control
Dimensions
Size Behind
Panel
(max.)
Width Height Display Character
Height
1/32
101.6mm
(4.00 in)
53.3mm
(2.10in)
30.9mm
(1.22in)
left: 7.59 mm (0.299
in)
right: 5.90 mm (0.220
in)
1/4
100.8mm
(3.97in)
100.3mm
(3.95in)
100.3mm
(3.95in)
up:11.43mm(0.450
in)
middle:9.53mm
(0.375in)
low:7.62mm(0.300
in)
1/16
101.6mm
(4.00 in)
53.3mm
(2.10in)
53.3mm
(2.10in)
up:10.80mm(0.425
in)
low: 6.98 mm (0.275
in)
1/8
(H)
101.6mm
(4.00 in)
100.3mm
(2.10in)
53.9mm
(1.22in)
top:11.4mm(0.450
in)
middle:9.53mm
(0.375in)
bottom: 7.62 mm
(0.300in)
1/8
(V)
101.6mm
(4.00 in)
53.3mm
(2.10in)
100.3mm
(3.95in)
top:11.4mm(0.450
in)
middle:9.53mm
(0.375in)
bottom: 7.62 mm
(0.300in)
Weight
1/32 DIN (PM3)
• Controller:127g(4.5oz.)
1/8 DIN (PM8&9)
• Controller:284g(10oz.)
1/16 DIN (PM6)
• Controller:186g(6.6oz.)
1/4 DIN (PM4)
• Controller:331g(11.7oz.)
User's Guide
• 172.82g(6.11oz)
Modbus
®
is a trademark of AEG Schneider Automation Inc.
EtherNet/IP™ is a trademark of ControlNet International Ltd. used
under license by Open DeviceNet Vendor Association, Inc. (ODVA).
UL
®
is a registered trademark of Underwriters Laboratories Inc.
DeviceNet™ is a trademark of Open DeviceNet Vendors Associatlon.
Note:
These specifications are subject to change without prior no-
tice.