ISE Frequently Asked Questions - Controllers:West 4400 Series
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1 How can I use a 2 or 4-wire PT100 probe with a West controller designed for 3-wire probes?

Below is based on connecting to a West 8100, 4100 4400 control. The information is applicable to other controls although the terminal numbers will likely be different. 2 Wire Probes It is possible to use a 2-wire PT100 probe with this instrument. Connect…

2 How do I change the thermocouple type or range on my 4400?

Warning this will clear all control & program settings to default factory settings. To enter Configuration Mode & change the input range: This procedure is assuming that the hardware definition code and applicable jumpers are properly set. If the…

3 How do I set up Commander for use with my West 4400 Controls?

West 4400 Series Setup Communications in 4400 as follows: Modbus Settings: (Commander also supports the 4400 with West ASCII although with less functionality) HwDefine Comms: SLA ConF BaudRate: 9600 (Each connected control must have a unique address) Protocol:…

4 How do I wire a 4 wire RTD to a 3 wire input on a control?

You can connect a 4 wire RTD to a 3 wire instrument. Just use 3 of the wires. Generally a (4) wire RTD will have 2 white wires and 2 red wires. The active element is between a red and a white wire. The remainig wires are for lead wire resistance compensation.…

5 How is the Modbus comms message formatted for the Controller?

Units with Modbus are P6100, P8100, P4100, 2300, 6600, 8600, 4400, 6400 and MLC 9000-B220. The N6100, 6120, N8100 and N4100 have West ASCII comms protocol as standard, although a special version is available with Modbus instead. These units have a suffix…

6 How to add custom buttons to Commander for West 4400

Setting up Custom Buttons in Commander for use with West 4400 controls. Commander software includes an option that allows the user to design a set of custom buttons that will be available on the single loop display. All controls that utilize these buttons…

7 How to connect a 3-wire RTD to a 4-wire input?

The compensation leads on a RTD are used to measure and compensate for the lead resistance. (3) Wire RTD (most common) sensing circuits measure the resistance in one leg and assumes the resistance of the other leg is equal. A (4) wire RTD measures the resistance…

8 I am having trouble with my control. What informaiton is helpful for you to assist with the problem?

We would need more information about your control and process to give you specific help. What is the complete model number of the control. If it is one of our West brand of recent years then the part number is often on the outside of the controller housing.…

9 Is it possible to change between auto/manual control through Modbus communication ?

To change the controller from auto to manual control (Auto off) using the Modbus communications protocol, the Auto/Manual Control bit needs to be changed. This is done by sending a Modbus message of : [01][05][0002][FF00][CRC] A breakdown of this message…

10 It is impossible to change the Hardware Definition code.

You are likely in the read only mode instead of the configuration mode or the input jumpers are in the wrong position. Note: changing items in the configuration mode will clear all other settings. To enter the configuration mode: 1) Remove power from instrument…

11 My 4400 is in manual mode. How do I switch it back to automatic?

Manual mode is selected/deselected by pressing and releasing the Scroll and the Mode keys at the same time. 'Power' is displayed in the lower display when the 4400 is in manual mode. If you do not need access to the Auto/Manual modes: 1) Make sure that you…

12 My controller/indicator sometimes loses its configuration, why is this?

West controls indicate the loss of configuration parameters by displaying all decimal points in the upper display. Example: ".0.1.2.4" would be displayed if the process value was 124. You must check all configuration parameters and change at least one parameter…

13 On my West 4400 I have lost my unlock code for entering the setup or the program modes. What can I do to retrieve?

The factory default setting for the controller's unlock code is 10. This number is entered at the Unlock screen, enabling access to the setup mode parameters. This number can be changed by the user to any value between 0 and 9999. If you cannot remember your…

14 West 4400 Configurator or Program Editor Programs No Longer Work.

Problems may include: 1) Errors when you start program. 2) Strange colors on the configurator screens 3) Will not communicate with the 4400 4) Will not save changes in the program configuration (such as baud rate). To Correct: Clear All Program Configuration…

15 What are the Automatic Tuning modes on the 4400 series controls?

The 4400 has two (2) types of Automatic Tuning on the 4400 series control: Self Tune & Pre-Tune. Self Tune: Self Tune monitors the input for any oscillations around the setpoint during a dwell and attempts to tune until the Input is stable. When active…

16 What are the general communication requirements for the West 4400 series controller?

General Communications requirements: 1) The controller must have the RS485 communications option installed to communicate. 2) You must have a RS232 to RS485 1/2 Duplex converter or must have a computer with RS485 1/2 duplex communications port. Port or converter…

17 What is PID and where can I find additional information?

ISE PID Technical Reference

18 When using a control set up for 4-20mA input does the control have protection for input break?

On the 4100/6100/8100 series controllers the 4-20mA input shuts off its output and displays "OPEN" on the display if the wires for the input are broken. The controller goes to this state when ever the input signal current falls below approximately 0.5 mA.…

19 Where can I find additional tools for the West 4400 series controllers?

Additional help in programming the 4400 controllers can be found at: West 4400 Series Short Form Instructions An Excel spreadsheet for most common West 4400 parameters can be found at: West 4400 Parameter List Software for setting, logging and graphing with…

20 Why am I unable to select the input code that I want in the configuration mode?

The instrument will only make available for selection, those input codes that match the input type as defined in the Hardware Definition code. If you do not see the code that you want, enter Hardware Definition, and change the first digit of the code to match…

21 Why are the valve motor drive (VMD) outputs limited to 120V AC operation?

If the valve motor is driven directly by the controller output relays, the controller outputs are limited to half the voltage of their nominal rating. This restriction does not apply if the motor is driven via external contactors/relays, but those contactors/relays…

22 Why does my display show [HH] instead of the Process Value?

This error message indicates that the Process Variable is above the upper limit of the range. For example, if the temperature is 305C when the range is set for 0 to 300C. The 3 digit display as used on the model 6500 will show [H]. This message can also be…

23 Why does my display show [LL] instead of the Process Value?

This error message indicates that the Process Variable is below the lower limit of the range. For example, if the temperature is -5C when the range is set for 0 to 300C. The 3 digit display as used on the model 6500 will show [L]. This error can be caused…

24 Why does my display show [OPEN] instead of the Process Value?

This error message indicates that the signal from your sensor is absent. This may be caused by a faulty sensor, a break in the wiring from the sensor to the instrument, or a loose connection on the rear terminals. The 3 digit display as used on the model…

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