Watlow Ez-Zone PM8 - Dimensions; Operator Interface; Output Hardware; Thermistor Input

Watlow EZ-ZONE
®
PM PID Controller • 91 • Appendix
Operating Range
RTD (1000 ohm) -200 800
mV -50 50
Volts 0 10
mAdc 0 20
mAac -50 50
Potentiometer, 1K range 0 1200
Resistance, 5K range 0 5000
Resistance, 10K range 0 10000
Resistance, 20K range 0 20000
Resistance, 40K range 0 40000
Thermistor Input
• 0to40KΩ,0to20KΩ,0to10KΩ,0to5KΩ
• 2.252KΩand10KΩbaseat77°F(25°C)
• Linearizationcurvesbuiltin
• ThirdpartyThermistorcompatibilityrequirements
Base R
@ 25C
Alpha
Techniques
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36V@3mA
  •Min.highstate3Vat0.25mA
  •Max.lowstate2V
- Dry contact
  •Min.openresistance10KΩ
  •Max.closedresistance50Ω
  •Max.shortcircuit20mA
•Digitaloutputupdaterate10Hz
- Output voltage 24V, 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
•Switcheddc/opencollector=30VÎ (dc)max.@100mAmax.cur-
rent sink
•Solidstaterelay(SSR),FormA,0.5A@24VÅ (ac) min., 264V
Å (ac) max., opto-isolated, without contact suppression, 20 VA
120/240VÅ (ac) pilot duty
•Electromechanicalrelay,FormC,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)
•Electromechanicalrelay,FormA,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)
•NO-ARCrelay,FormA,15A,24to240VÅ (ac), noVÎ (dc), resis-
tive load, 2 million cycles at rated load
•Universalprocess/retransmit,Outputrangeselectable:
- 0 to 10V Î(dc)intoamin.1,000Ωload
 -0to20mAintomax.800Ωload
Operator Interface
•Dual4digit,7segmentLEDdisplays
•Advance,infinity,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
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 Manual
• Usermanual:221.81g
(7.82 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 notice.