User Manual

Rockwell Automation Publication 193-UM002I-EN-P - December 2011 227
Specifications Appendix A
Environmental
Specifications
➊ Current ratings must be derated at altitudes greater than 2000 m
Electromagnetic
Compatibility
Specifications
Table 19: Thermistor/PTC Input Ratings (E3 Plus models EC2 and EC3)
Terminals 1T1, 1T2
Type of Control Unit Mark A
Maximum Number of Sensors 6
Maximum Cold Resistance of PTC Sensor Chain 1500 Ω
Trip Resistance 3400 Ω ± 150 Ω
Reset Resistance 1600 Ω ± 100 Ω
Short-circuit Trip Resistance 25 Ω ± 10 Ω
Maximum Voltage @ PTC Terminals (R
PTC
= 4 kΩ)7.5V DC
Maximum Voltage @ PTC Terminals (R
PTC
=open) 30V DC
Response Time 800 ms
Table 20: Environmental Specifications
Ambient Temperature
Storage
Operating
(Open)
(Enclosed)
–40°…+85°C (–40…+185°F)
–20°…+55°C (–4°…+131°F)
–20°…+40°C (–4°…+104°F)
Humidity
Operating
Damp Heat – Steady State (per IEC 68-2-3)
Damp Heat – Cyclic (per IEC 68-2-30)
5…95% Non-condensing
92% r.h., 40°C (104°F), 56 days
93% r.h., 25°C/40°C (77°F/104°F), 21 Cycles
Cooling Method Natural Convection
Vibration (per IEC 68-2-6) 3 G
Shock (per IEC 68-2-27) 30 G
Maximum Altitude 2000 m ➊
Pollution Environment Pollution Degree 3
Terminal Marking EN 50012
Degree of Protection
193-ECxxx
592-ECxxx
IP20
Table A.1 Electromagnetic Compatibility Specifications
Electrostatic Discharge Immunity
Test Level:
Performance Criteria:
8kV Air Discharge
6kV Contact Discharge
1 ➊➋
RF Immunity
Test Level:
Performance Criteria:
10V/m
1 ➊➋
Electrical Fast Transient/Burst Immunity
Test Level:
Performance Criteria:
4kV (Power)
2kV (Control & Comm)
1 ➊➋