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Chromalox® 3101 1/4 DIN High/Low Digital Limit Controller
Mor Electric Heating is an authorized distributor for
Chromalox®
UL Listed
• One High/Low Limit Control Output
• Two Independent Alarm Outputs
• Analog Process Output for Retransmit of Process Variable
• Peak Temperature Display
• Universal Sensor Inputs
• NEMA 4X Front Panel
• Switching Power Supply 100-240 Vac or 12-24 Vac/Vdc
• Digital Communications with ChromaSoft™ Compatibility
Description
The 3101 is a compact, fully programmable high or low limit controller. It is a UL Listed Overtemperature (or Undertemperature) controller, and FM approved as a limit controller. With user programmable inputs, outputs and high/low limit features, it is flexible to most any limit control application, and can be easily reconfigured as needed.
Peak Temperature Display
Over Setpoint Timer Display
Features
•
Control Limit Output can be programmed for high or low limit control (overtemperature or undertemperature).• Two Independent Alarm Outputs, Form C Relays, can be used to warn of impending out-of-limit process conditions, providing protection for equipment and personnel.
• Universal Sensor Input accepts thermocouple, RTD or analog signals.
• 24 Vdc Output for loop power.
• Digital Input available for remote alarm reset.
• Analog Process Output option for retrans-mission of process variable to a remote recorder, computer or other device.
• Isolated Serial Digital Communications (RS-232/422/485) can be used to address from 1 up to 255 Chromalox controllers.
• Security Code Protection prevents unauthorized access to programmable control parameter.
• Operating Ambient up to 15
0°F.• Three Year Warranty.
Specifications
Limit Output
Automatic
Normally-energized latching relay; relay de-energizes at limit setpoint. Form C contacts, 5 Amps at 120/230 Vac
Limit Control Adjustments
High/Low Limit Setpoint Sensor Range
Setpoint Limit Sensor Range
Deadband 0-10
0°FDisplay Offset -100 to +10
0°FAlarm Outputs (2)
Relay Form C contacts, 5 Amps at 120/230 Vac (resistive)
Sensor Input
Field selectable Thermocouple, RTD, Current or VoltageDigital Input
Accepts dry-contact closureInput Specifications
Range °F Range °C
J TC -100 to +1400 -73 to +760
K TC -300 to +2400 -184 to +1316
T TC -350 to +750 -212 to +399
E TC -100 to +1100 -73 to +593
R TC 0-3200 -18 to +1760
S TC 0-3200 -18 to +1760
B TC 50-3300 10 to +1816
10
0W Pt RTD (a = .00385) -200 to +1000 -128 to +5384-20mA -500 to +5000 (programmable)
0-5 Vdc -500 to +5000 (programmable)
1-5 Vdc -500 to +5000 (programmable)
Transmitter Power
+24 Vdc Output +24 Vdc
± 20% at 50 mA maximumDigital Communications (Optional)
RS-232 Single-drop, isolated
RS-422/485 Multi-drop, isolated, field selectable by switch
Instrument Power
100-240 Vac, +10%, -15%; 50-60 Hz; 15 VA
12-24 Vac/Vdc, ± 20% (optional); 15 VA
Operating Environment
32-150°F (0-65°C) ambient temperature, relative humidity less than 95%, non-condensing
Chromalox
Specification Data Sheet |
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Item ID | PCN# | Catalog# / Description | Click "Select" below to see our price and actual real-time quantity in stock. |
CHROM306982 | 306982 | 3101-11000 / 2 RELAY 120/240 VAC ST A | |
CHROM306990 | 306990 | 3101-11100 / 2 RELAY PROC OUT ST A | |
CHROM307002 | 307002 | 3101-11010 / 3 RELAY RS422 ST A | |
CHROM307010 | 307010 | 3101-11020 / 3 RELAY RS232 ST A |
Chromalox® is a registered trademark.
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