Watlow EZ-ZONE PM Integrated Controller - Manual (Page 172)

Watlow EZ-ZONE ® PM Integrated Controller
•
169
• Chapter 11
Appendix
Operating Range (cont.)
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
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 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
Tech-
niques
Beta
THERM
YSI
Prompt
[``tC]
2.252K Curve A 2.2K3A 004 A
10K Curve A 10K3A 016 B
10K Curve C 10K4A 006 C
Current Measurement
•Accepts 0-50mA signal (user programmable range)
•Displayed operating range and resolution can be scaled and are
user programmable
•Requires optional current transformer
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.
6 Digital Input/Output Option - 6 DIO
• Digital input or output
• Update rate 10Hz
• Switched DC
- Switched DC 24-32 V, 80 mA max, SELV, Limited Energy
- Max. supply current source 40mA at 20VÎ (dc)
and 80mA @12VÎ (dc)
- Max.lowstate2V
•Open Collector
- Max. switched voltage is 32VÎ (dc)
- Max. switched current per output is 1.5A
- Max. switched current for all 6 outputs is 8A
Output Hardware
• Switched dc = 22 to 32VÎ (dc) @30mA output 1 and 3, 10mA for
output 2 and 4
• Switched dc/open collector = 30VÎ (dc) max. @ 100mA max. cur-
rent sink
• Solid State Relay (SSR), FormA, 0.5A @ 24VÅ (ac) min., 240V
Å (ac) max., 1A at 50°F linear derating to 0.5A at 149°F re-
sistive, opto-isolated, without contact suppression, 120/240VÅ
(ac) 20 VA 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 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 pi
lot 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
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, 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
Size Behind
Panel
(max.)
Width Height Display Character
Height
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
(3.95 in)
54.8 mm
(2.16 in)
top: 11.4 mm (0.450
in)
middle: 9.53 mm
(0.375 in)
bottom: 7.62 mm
(0.300 in)