West 6700+ Temperature Limit Controller

West 6700+ Temperature Limit Controller

When a process runs hot enough to damage equipment or put people at risk, the temperature controller isn’t the safeguard you want standing between normal operation and a runaway condition — a dedicated limit controller is. The West 6700+ packs that independent safety layer into a compact 1/16 DIN footprint, latching a relay the moment a set safety threshold is crossed and requiring a deliberate manual reset before anything restarts.

How It Works

A 5A latching limit relay ships as standard, backed by non-latching alarm relays for early warning before the hard limit is reached. Auto-hardware detection sets up connected I/O automatically, and the controller can be configured from its own front panel or from a PC. Sensor break is detected in under two seconds, and the unit can be reconfigured in the field without opening it up or swapping jumpers.

Key Features

  • Compact 1/16 DIN footprint with a 5A latching limit relay, standard
  • Auto-hardware detection for fast setup
  • Configurable via front panel or PC
  • Sensor break detection in under 2 seconds
  • FM, CE, UL, and ULC recognized

Applications

Used as an independent safety layer on ovens, furnaces, heat treatment equipment, and other high-temperature industrial processes where panel space is limited but a runaway condition would still damage equipment or create a hazard.

ModelWest 6700+
FunctionProgrammable safety limit control; latches a relay when a safe value is exceeded, requiring manual reset before the process can continue
DIN Size1/16 DIN (family also includes 4700+ 1/4 DIN and 8700+ 1/8 DIN)
Input TypesThermocouple (J, K, C, R, S, T, B, L, N), 3-wire PT100 RTD, DC linear (0-20mA, 4-20mA, 0-10V ranges)
Input Accuracy±0.1% of input range ±1 LSD
Output Accuracy±0.25% at 250Ω
OutputsLatching limit relay (5A @ 240VAC), non-latching alarm relays (2A @ 240VAC), SSR driver, triac, or linear mA/V retransmit; optional 24VDC transmitter supply
DisplayDual LED display, 4-button operation, 4 LED indicators, selectable color combinations
Power Supply100-240V AC ±10%, 7.5VA
CertificationsFM, CE, UL, and ULC recognized
Operating Temperature0 to 55 °C (storage up to 80 °C)
Humidity20% to 95% RH, non-condensing
Enclosure RatingIP66 front panel (IEC), NEMA4X
Additional FeaturesSensor break detection under 2 seconds, adjustable hysteresis, optional Modbus/ASCII communications, field-reconfigurable without jumpers

Download West 6700+ Temperature Limit Controller information here

Datasheet: West 4700+/6700+/8700+ Limit Controller Datasheet (PDF)

Manual: West 4700+/6700+/8700+ Concise Product Manual (PDF)

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