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Oldham WX16 User Manual

Sixteen channel controller
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WX16
Sixteen Channel Controller
User Manual
P/N: 77036022-1
Revision: 0
Reference Firmware: 6.09 (rev. 4.7)

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Summary of Contents for Oldham WX16

  • Page 1 WX16 Sixteen Channel Controller User Manual P/N: 77036022-1 Revision: 0 Reference Firmware: 6.09 (rev. 4.7)
  • Page 3 Exceeding the values cannot in any case be authorized. LIABILITY Neither Industrial Scientific – Oldham nor any other associated company can be held liable for any damages, including, without limitations, damages for the loss or interruption of manufacture, loss of information, defect of the WX4 unit, injuries, loss of...

  • Page 4: Table Of Contents

    Cal Mode System Configuration Menus 2.3.1 Common Alarm Relays 1 & 2 2.3.2 10-0195 Discrete Relay “Failsafe” Mode 2.3.3 Common Horn Relay & Local Piezo 2.3.4 Comm Port Menus 2.3.4a Master Port Radio Setup Menu WX16 User Manual | 2...
  • Page 5 Wireless ModBus Slave Mode Wireless ModBus Master Mode Antenna Selection 7.5.1 Dipole And Collinear Antennas 7.5.2 Yagi Antennas 7.5.3 Mounting Near Other Antennas 7.5.4 Coax Cables Surge Protection & Grounding 7.6.1 Antenna Grounding 7.6.2 Connections to Other Equipment WX16 User Manual | 3...

  • Page 6: Important Safety Issues

    If a switch is used instead of a circuit breaker, a properly rate CERTIFIED fuse or current limiter is required to installed as per local or national codes. WX16 User Manual | 4...

  • Page 7: General Description

    2 boards for 16 channel applications. In addition to traditional analog and serial methods of providing monitored values, the WX16 is also capable of sending and receiving wireless data as described in section 7 of this manual.

  • Page 8: Data Display Screens

    1.1.1 Trend Screen The WX16 Trend screen shown in Figure 2.0 displays a 24-hour trend of input data for the channel selected. Horizontal tic marks are each hour and vertical tick marks are each 10% of full scale. Dashed lines indicate alarm levels. The graphic LCD is 240 pixels wide, so each pixel represents 1/10 hour, or 6 minutes worth of data.

  • Page 9: Specifications

    * A slide switch on the front of the power supply selects AC input range. The 10-0172 150 watt power supply (Figure 3.8) is for powering the WX16 and up to 16 detectors. A minimum of 5 watts per channel is available for powering of external transmitters.

  • Page 10: Altitude

    * Includes non-intrusive magnetic keypad. 1.2.6a Non-Intrusive Magnetic Keypad The WX16 operator interface includes five front panel touch keys. A magnetic keypad option offers these five keys with adjacent magnetic keys. This option is included as a standard feature. It is useful in applications where it may be inconvenient to open the enclosure’s door to access the touch keypad.

  • Page 11: Basic Operation

    SECTION 2 Basic Operation The WX16 offers 3 graphic screens for viewing monitored data and a Setup menu screen for operator interface to configuration menus. They are shown below in Figure 2.0. The Bar Graphs screen allows viewing of all active channels simultaneously. The Trend screen displays a 24-hour trend one channel at a time.

  • Page 12: Setup Menu Configuration

    Setup Menu Configuration Variables inside system and channel menu trees allow optimum WX16 configuration for a wide range of demanding multi-point monitoring applications. Access to menus is via the Setup mode by pressing EDIT and activating the Setup screen shown in Figure 2.0.

  • Page 13: Channel Configuration Menus

    Channel Configuration Menus Figure 2.1 illustrates the menu tree for configuring Channel variables. These items affect only the specific channel selected. System specific variables are in the menu tree shown in section 2.3. Figure 2.1 WX16 User Manual | 11...

  • Page 14: Channel Setup Entry Menu

    Any new alarm event causes the associated LED to flash until Alarm Reset occurs causing an acknowledged steady on condition. Operators should recognize new alarms by a flashing LED. Alarm Reset also acknowledges, or deactivates, the horn relay until another new alarm occurs. WX16 User Manual | 12...

  • Page 15: Alarm 3 / Fault Alarm Menu

    The ModBus RS-485 master port connected to ModBus slave devices. • Note: Each ModBus menu selection also requests the RTU # and the Alias register # location of the data to be retrieved from the RTU. Alias register WX16 User Manual | 13...

  • Page 16: Min / Max Raw Counts Menus

    4-20mA. Analog with Local Cal is available when the WX16 will be the point of calibration for the analog input. Sensor Direct is identical to Analog with Local Cal and both activate the WX16’s Cal Mode features (see section 2.2.7).

  • Page 17: Marker Menus

    Sensor Life should only be activated when the Marker event is Calibration and when a sensor life value is transmitted after each calibration. This feature is provided primarily for use when interfacing the WX16 to Oldham’s OLCT 200 Transmitters, which may be WX16 User Manual | 15...

  • Page 18: Linearization Menu

    The WX16 reads this value and records it as the channel’s Sensor Life. Sensor Life is stored in the WX16 ModBus database and displayed as a bar-graph in the Sensor Info screen (see section 2.3.6). It is a useful tool for planning sensor replacement schedules.

  • Page 19: Configure Menu

    The ZERO / SPAN entries allow configuration of the measurement range displayed by this channel. Measurement Range works along with A/D Counts menus, described in section 2.2.4a, to define the range of the input signal’s engineering units. For example, WX16 User Manual | 17...

  • Page 20: Decimal Point Resolution

    Setup screen as indicated by channels 15 & 16 in Figure 2.0. If less than 9 channels are to be activated, the WX16 may be set for 8 channel mode, deactivating channels 9- 16. This is done in the System Setup menu described in section 2.3. The WX16 will only allow 15 channels to be turned off.
  • Page 21 Move the pointer to the Set Span entry and press EDIT twice. Unity Gain may be used at any time to cancel incorrect calibrations and start again. Figure 2.9 WX16 User Manual | 19...

  • Page 22: System Configuration Menus

    Some items needing configuration are not specific to a channel but affect the entire WX16 system. These are located in the system entry menu shown on the left side of Figure 2.10. System menus are accessed by pointing to the desired item and pressing EDIT.

  • Page 23: Common Alarm Relays 1 & 2

    WX16 Controller. In these cases, it may be undesirable for a sensor on channel 9 to trip the same relay as a sensor on channel 2. The Group menus may restrict this.

  • Page 24: 10-0195 Discrete Relay "Failsafe" Mode

    2.3.3 Common Horn Relay & Local Piezo The WX16 is equipped with a low-decibel audible piezo that chirps when keys are pressed and may be configured to audibly indicate alarm conditions. The common horn relay is similar to the common A1 & A2 common relays.

  • Page 25: Comm Port Menus

    ID settings are per channel as described in section 2.2.4). This slave port may be used to transfer WX16 data to a host device such as a PC, PLC, DCS or even another WX16. The slave port is addressable, allowing many WX16 controllers to be connected to a single RS-485 cable.

  • Page 26: Master Port Radio Setup Menu

    This item is useful for optimizing throughput to the WX16 from other slave RTU’s. Poll Rate sets frequency of data requests to the RTU’s in milliseconds. This is useful when an RTU is limited in how fast it may respond to consecutive data requests.

  • Page 27: Eight / Sixteen Channel Modes

    2.3.5 Eight / Sixteen Channel Modes The system menu allows setting the WX16 controller to accept either 8 or 16 channels. If 8 channels are selected by this menu, they are channels 1-8, and 9-16 are disabled. Figure 2.15 2.3.6...

  • Page 28: Lcd Contrast Adjustment

    The Setup menu item identified as CONTRAST allows users to adjust the LCD contrast to a level suitable to the ambient lighting. Selecting CONTRAST and pressing EDIT causes the UP/DOWN keys to increase and decrease LCD contrast. WX16 User Manual | 26...

  • Page 29: Main I/O Interface Pcb #10-0142

    5 amp form C relays for each common alarm event (A1, A2, FAULT/A3 & HORN), and power supply I/O terminals. JP1 allows the RS-485 ports to be configured for 2- or 4-wire operation. A 26-pin ribbon cable connects the I/O PCB to the WX16 CPU and Display nest assembly. Two I C bus connectors allow addition of optional functions such as analog I/O and discrete alarm relays for each channel.

  • Page 30: Input / Output Optional Pcb's

    Optional Analog Input PCB #10-0158 Many transmitters or sensors have analog output signals, and the 12 bit Analog Input PCB, shown in Figure 3.3, is available to accept these. TB1, with 24 positions, offers 3 WX16 User Manual | 28...
  • Page 31 JP1 determines if the 8 analog inputs are applied to channels 1-8 or channels 9-16. Connecting more than 8 analog inputs requires 2 PCB’s with one JP1 set for channels 1-8 and the other set for channels 9-16. WX16 User Manual | 29...

  • Page 32: Optional Discrete Relay Pcb #10-0195

    Alarm groups, or zones, may be created by connecting adjacent channels together using JP4 as shown. This creates a wire OR function with selected channels, causing any alarm included within the zone to actuate ALL zone relays. Failsafe operation of WX16 User Manual | 30...
  • Page 33 A2’s & 16 A3’s). If discrete relays are needed for all 48 alarms, then six PCB’s are required. 5 VDC power to the discrete relay option PCB’s is normally supplied from the WX16 Controller via the slender I C cables connected to J2 and J3. However, I...

  • Page 34: Optional *Bridge Sensor Input Board #10-0191

    An optional 8-channel, 12 bit Bridge Sensor Input board allows these popular gas detectors to be connected directly to the WX16 without additional signal conditioning or transmitters. Up to four dual channel 10-0192 modules may be installed in each 8- channel 10-0191.

  • Page 35: Catalytic Bead Sensor Initial Setup

    2.2.7 needed to zero and span sensor readings. After performing the one-time only Initial Setup as described below, all subsequent calibrations are by the WX16’s electronic Cal Mode menus. *Catalytic sensors connected directly to the WX16 should be limited to ranges of 0- 1000ppm. 3.1.4 Catalytic Bead Sensor Initial Setup Catalytic bead sensors vary widely in power requirements and sensitivity.

  • Page 36: Optional Rtd / 4-20Ma Analog Input Board #10-0170

    Initial setup is now complete and normally only requires repeating if a sensor is replaced. Final calibration of this channel may now be performed using the WX16’s electronic Cal Mode feature described in section 2.2.1. Figure 3.5 3.1.5 Optional RTD / 4-20mA Analog Input Board #10-0170 An optional 12-bit RTD Sensor Input board, shown in Figure 3.6, allows these popular...
  • Page 37 RTD calibrator. Since RTD’s are stable and repeatable over long time periods, calibrations normally only need to be performed upon initial installation. Since the PCB has 8 channels, two are required for 16-channel applications. JP25 configures inputs for channel groups 1-8 or 9-16. WX16 User Manual | 35...
  • Page 38 Figure 3.6 WX16 User Manual | 36...

  • Page 39: Optional 4-20Ma Analog Output Board #10-0167

    Note: This PCB requires nominal 24 VDC power be connected to TB2 terminals 1 & 2 as shown in Figure 3.7. Suitable power is available from the WX16 Main I/O board’s TB2 terminal 10 & 12 (see Figure 3.1).

  • Page 40: Optional Clock / Printer Interface Board #10-0229

    DATE, TIME, 16 character ASCII channel ID from the WX16, WX16 channel #, alarm #, IN or OUT status. A buffer in the WX16 retains the most recent 30 – 35 printed events. It is possible to dump the entire buffer to the printer from the menu shown in Figure 3.9.

  • Page 41: Clock / Printer System Setup Menu

    BUFFER DUMP allows immediate printing of all the 30-35 stored events. PRINT CONFIG allows immediate printing of all channel variables such as channel ID’s, Engineering Units, etc. PRINTER READY / ERROR indicates the functional status of the printer. WX16 User Manual | 39...

  • Page 42: Optional 24 Vdc 150 Watt Power Supply

    The WX16 Controller may be powered from 10-30 VDC. However, many applications require 24 VDC power for the monitors or transmitters providing inputs to the WX16. A 150 watt AC / DC power supply may be included for these applications (115 VAC or 230 VAC selected via slide switch).

  • Page 43: System Diagnostics

    However, the Diagnostics Mode can prove invaluable when testing I/O since relays and analog outputs may be stimulated without driving inputs to precise levels. WX16 User Manual | 41...
  • Page 44 Figure 4.1 WX16 User Manual | 42...
  • Page 45 Figure 4.2 WX16 User Manual | 43...

  • Page 46: Modbus Rs-485 Ports

    SECTION 5 ModBus RS-485 Ports The WX16 is equipped with Master (COMM 1), and Slave (COMM 2), ModBus RTU ports. Port configurations are described in sections 2.2 and 2.3 of this manual. Section 5.0 defines register locations of data available via the WX16 slave port.
  • Page 47 3 registers per channel EUNITS 40568 40570 2 characters per register; 3 registers per channel EUNITS 40571 40573 2 characters per register; 3 registers per channel EUNITS 40574 40576 2 characters per register; 3 registers per channel WX16 User Manual | 45...
  • Page 48 ASCII Value 40616 40618 2 characters per register 3 registers per channel ASCII Value 40619 40621 2 characters per register 3 registers per channel ASCII Value 40622 40624 2 characters per register 3 registers per channel WX16 User Manual | 46...
  • Page 49 0 = Non latching Alarm 2 Trip bit15 1 = Low 0 = High Alarm status words are bits packed into 16 bit integer where lsb = channel 1 alarm status and msb = channel 16 alarm status. WX16 User Manual | 47...
  • Page 50 Alarm 3 Status 1-16 31051 packed 16bit integer Common 1-16 31052 packed 16bit integer LED Status LCD Display Screen Displayed Integer Type Channel First Last Read FC Write FC Notes LCD Screen 31053 8bit integer WX16 User Manual | 48...
  • Page 51 Notes: Set this coil to issue an alarm “Acknowledge” via ModBus (see “Echo Ack” in section 2.3.4). Type Channel First Last Read FC Write FC Notes Alarm Reset 2001 write 0xff to high byte to set WX16 User Manual | 49...
  • Page 52 1-16 41129-44 alarm 3 real w/o decimal point Alarm 3 DP 1-16 41145-60 alarm 3 real divisor Fault Real 1-16 41161-76 alarm 3 real w/o decimal point Fault DP 1-16 41177-92 alarm 3 real divisor WX16 User Manual | 50...
  • Page 53 12067 0 = data ready; 1 = update in progress Trend database registers Type Channel First Last Read FC Write FC Notes 24-hr Trend 1-16 33017 36857 Transfers 24-hour trend for MAX, MIN or AVG. WX16 User Manual | 51...

  • Page 54: Panel / Rack Mount Enclosure

    SECTION 6 Panel / Rack Mount Enclosure The WX16 shown in Figure 6.1 is a half-width 19” rack enclosure. It is supplied with hardware that allows mounting in either a full-width 19” rack style cabinet or it may be panel-mounted in a rectangular cutout. Only two 8-channel I/O option PCB’s such as analog input or discrete relays may be mounted directly to the back of the enclosure.

  • Page 55: Nema 4X Wall Mount Fiberglass Enclosure

    NEMA 4X Wall Mount Fiberglass Enclosure The WX16 shown in Figure 6.2 is a fiberglass NEMA 4X wall mount enclosure. Seven 8-channel I/O option PCB’s, such as analog input or discrete relays, may be mounted inside this enclosure. It is suitable for mounting outdoors, but an above-mounted weather deflector shield is recommended.
  • Page 56 Figure 6.3 WX16 User Manual | 54...

  • Page 57: Nema 4X Wall Mount 316 Stainless Steel Enclosure

    NEMA 4X Wall Mount 316 Stainless Steel Enclosure The WX16 shown in Figure 6.4 is a 316 stainless steel NEMA 4X wall mount enclosure. Seven 8-channel I/O option PCB’s, such as analog input or discrete relays, may be mounted inside this enclosure. It is suitable for mounting outdoors, but an above-mounted weather deflector shield is recommended.

  • Page 58: Xp Nema 7 Explosion-Proof Wall Mount Enclosure

    Dimensions WX16 controllers have virtually unlimited possibilities for configuration of options such as analog I/O, discrete relays, printer interface and others. All WX16 enclosure styles require the Main I/O PCB (Figure 3.1) but also support the mounting of additional option PCB’s as described below: WX16PM Panel / Rack Mount supports 2 option positions as standard and 4 •...
  • Page 59 8 positions may be added. WX16XP NEMA 7 Wall Mount supports 5 option positions as standard and 3 • more with the 10-0181 expansion plate. Figure 6.6 provides Main I/O and option PCB dimensions. Figure 6.6 WX16 User Manual | 57...

  • Page 60: Adding The "Wireless" Radio Kit Option

    SECTION 7 Adding The “Wireless” Radio Kit Option WX16 master / slave serial ports may be connected to a FHSS (Frequency Hopping Spread Spectrum) wireless radio modem shown in Figure 7.1. There are two different frequency options offered, 900 MHz and 2.4 GHz. 900 MHz is available in a single port modem (10-0364) or dual port modem (10-0365).

  • Page 61: Radio Setup Menu

    A transceiver will not go InRange of or communicate with a transceiver operating on a different Hop Channel. System ID may be set from 1-255 using the WX16 keypad and is similar to a • password character or network number and makes network eavesdropping more difficult.

  • Page 62: Wireless Receiver Mode

    Remote ID address setting in the OLCT 200 providing data to this WX16 channel. Input Req is typically set to VALUE but also allows a BATT entry into this field. Entering BATT causes the channel to display (and alarm) from battery voltage levels at this OLCT 200.

  • Page 63: Radio Status Alarms - Wireless Receiver Mode

    Radio Status Alarms - Wireless Receiver Mode When an WX16 channel’s INPUT DATA FROM menu is set for WIRELESS RF900, in addition to processing the OLCT 200’s 10-bit “counts” value, it also receives status bits indicating Communications Error, Low Battery and Calibration.

  • Page 64: Wireless Modbus Master Mode

    Radio modules may only be configured when connected to the WX16’s master port. If it is necessary to modify Hop Channel and System ID settings, the radio module may be temporarily connected to the WX16’s master port for configuration then moved back to the slave port for operation.

  • Page 65: Yagi Antennas

    If mounting near another antenna cannot be avoided, mounting it beneath or above the other antenna is better than mounting beside it. Using different polarity to the other antenna (if possible) will also help to isolate the RF coupling. WX16 User Manual | 63...

  • Page 66: Coax Cables

    (not a small wire) with no coils or sharp bends. All other devices connected to the WX16 need to be grounded to the same ground point. There can be significant resistance between different ground points leading to very large voltage differences during lightning activity.

  • Page 67: Connections To Other Equipment

    The same principle applies when the I/O device is not close to the wireless unit, thus, the risk of surge increases. Surge diverters for I/O wiring are available to protect the wireless unit. WX16 User Manual | 65...
  • Page 68 AMERICAS EUROPE, MIDDLE EAST, ASIA-PACIFIC AFRICA Industrial Scientific - Oldham Industrial Scientific - Oldham Industrial Scientific – Asia Pacific 1001 Oakdale Rd Z.I. Est – rue Orfila 7 International Business Oakdale, PA 15071-1500 BP 20417 Park #03-01 62 027 Arras Cedex...

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