Watlow EZ-ZONE PM - Manual (Page 104)

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 .