West 4200 1/4 DIN Controller with Fuzzy Logic

TECHNICAL DATA

Features
Control Types	PID with fuzzy logic. Pre-tune, Self-tune, Manual Tuning, or On-Off control. Heat only or heat/cool
Auto/Manual	Selectable from front panel, with bumpless transfer
Output Configuration	Up to 3 total. Max 2 for control (Heat & Cool), max 2 for Alarms, max 1 for retransmit Process value or Setpoint
Alarm 1 & 2 Types	Process high, process low, SP deviation, band, logical OR and hysteresis. Also 1 loop alarm
Human Interface	4 button operation, dual 4 digit 13mm & 10mm high LED displays, plus 3 LED indicators
PC Configuration	Off-line configuration from serial port to dedicated config socket (comms option not required)
Input
Thermocouple	J, K, R, S, T, B, L, & N.
RTD	3 Wire PT100, 50 Ohm per lead maximum (balanced)
DC Linear	0-20/4-20mA, 0-50/10-50mV, 0-5/1-5/0-10/2-10V. Scaleable -1999 to 9999, dec point available
Impedance	>100M Ohm for Thermocouple and mV ranges, 47K Ohm for V ranges and 4.7 Ohm for mA ranges
Accuracy	+/- 0.25% of input span +/- 1 LSD (T/C CJC better than 0.7°C)
Sampling	4 per second, 14 bit resolution approximately
Sensor Break Detection	< 2 secs (except zero based DC ranges), control O/P's turn off, high alarms activate for T/C and mV ranges, low alarms activate for RTD, mA or V ranges
Output and Options
Control & Alarm Relays	Contacts SPDT 2Amp resistive at 240V AC, >500,000 operations
Control SSR Driver Outputs	Drive capability >4.3V DC in 250 Ohm (10V 500 Ohm version available)
Solid State (Triac) Outputs	0.01 to 1 Amp AC 20 to 280V, 47 to 63Hz
Control DC Outputs	0-20/4-20mA into 500 Ohm max, 0-10/0-5V into 500 Ohm min. Accuracy typically +/- 0.5%
Retransmit Outputs	0-20/4-20mA into 500 Ohm max, 0-10/0-5V into 500 Ohm min. Accuracy typically +/- 0.5%
Communications	2 Wire RS485, 1200 to 9600 Baud, West ASCII
Dual Setpoint Selection	Selects between 2 SP's using volt free or TTL input (SP1 = -0.6 to 0.8V, SP2 = 2 to 24V)
Remote Setpoint Input	0-20/4-20mA, 0-50/0-100mV, 0-5/0-10V or Potentiometer (2K Ohm min), scaleable, with external volt free or TTL remote/local setpoint selection input
Operating and Environmental
Temperature & RH	0 to 55°C (-20 to 80°C storage), 20% to 95%RH non-condensing
Power Supply	100 to 240V 50/60Hz 7.5VA (optional 20 to 50V AC 7.5VA/22 to 65V DC 4W)
Front Panel Protection	IEC IP66 (Behind panel protection is IP20)
Approvals and Certification	CE, UL & ULc

DIMENSIONS

CONNECTION DETAILS

FIELD RECONFIGURATION

Input
Configurable to any type, no extra parts required

Output 1
Type is fixed as ordered. Either Relay/SSR (selectable), Triac or DC Linear (selectable for mV, mA, Volts)

Output 2
Configurable as Cool O/P or Alarm via plugin Relay, SSR, Triac or DC Linear modules

Output 3
Configurable as Alarm via plug-in Relay or SSR modules, or retransmit using DC Linear module

Option Slot
Configurable as RS485 comms or dual setpoint selection, via plug-in modules

Secondary Input
If fitted, can be configured to any input range. Cannot be retro-fitted.

ORDER CODE