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WX16

 Sixteen Channel Controller

User Manual

P/N: 77036022-1

Revision: 0 

Reference Firmware: 6.09 (rev. 4.7) 

Summary of Contents for WX16

Page 1: ...WX16 Sixteen Channel Controller User Manual P N 77036022 1 Revision 0 Reference Firmware 6 09 rev 4 7...

Page 2: ......

Page 3: ...r 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...

Page 4: ...the Keypad 10 2 2 Channel Configuration Menus 11 2 2 1 Channel Setup Entry Menu 12 2 2 2 Alarm 1 Alarm 2 Horn Relay Setup Menu 12 2 2 3 Alarm 3 Fault Alarm Menu 13 2 2 4 Data From Menu to Set Input So...

Page 5: ...upply 40 SECTION 4 41 4 0 System Diagnostics 41 SECTION 5 44 5 0 ModBus RS 485 Ports 44 5 1 ModBus Slave Register Locations 44 SECTION 6 52 6 1 Panel Rack Mount Enclosure 52 6 2 NEMA 4X Wall Mount Fib...

Page 6: ...rtions of this instrument have been assessed by CSA for C22 2 No 152 performance requirements This equipment is suitable for use in Class I Division 2 Groups A B C and D or non hazardous locations onl...

Page 7: ...master RS 485 port A ModBus RTU slave RS 485 port is also standard for sending data to PC s PLC s DCS s or even other WX16 Controllers Options such as analog I O and discrete relays for each alarm are...

Page 8: ...trend screen indicates channel real time reading in engineering units measurement name range and MIN MAX AVERAGE values for the preceding 24 hour period The SI field on the top right indicates number...

Page 9: ...devices such as relays lamps or transmitters Power consumed from these terminals should be considered when calculating system power consumption 1 2 1a 150 Watt AC 24 VDC Power Supply 110 120 VAC 3 2A...

Page 10: ...ic 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...

Page 11: ...be displayed in sequence with the UP DOWN keys The NEXT key switches between the 3 graphic data screens When WX16 power is applied the graphic LCD returns to the screen active when power was last rem...

Page 12: ...inter controlled by the UP DOWN keys indicates the selected variable Some are simple YES NO or ON OFF entries toggled by pressing the EDIT key Others such as Measurement Name and Eunits fields may hav...

Page 13: ...nel 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 show...

Page 14: ...s for this alarm to automatically reset as soon as the alarm condition clears TRIP ON is set to HIGH for increasing alarms or LOW for decreasing alarms to determine if the alarm activates upon exceedi...

Page 15: ...ip point entered prior to changing the menu to Alarm 3 The following example describes how to configure both the Fault out of range and Alarm 3 level trip points for a channel Example If the common Fa...

Page 16: ...t or Analog with Local Cal is selected These selections should only be used when the input originates from a non calibrated signal source such as the Bridge Sensor Input option described in section 3...

Page 17: ...vices providing WX16 inputs also indicate special modes of operation such as Calibration Maintenance or Fault by transmitting a special 4mA or negative Marker value The WX16 offers channel Marker menu...

Page 18: ...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...

Page 19: ...nit and 16 character Measurement Name ASCII fields Eunits should define the units of measure for what this channel is to display Measurement Name should describe the source of this data in the user s...

Page 20: ...tilized Turning it off will cause the controller to never process inputs applied to this channel and no alarms will be tripped or data displayed Inactive channels have a line drawn through them on the...

Page 21: ...again at later dates when degradation may have occurred To check zero calibration apply the ZERO calibration value to the sensor and observe the live reading If the zero reading differs from the zero...

Page 22: ...ems 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...

Page 23: ...elay 1 while channels 9 16 trip relays on an optional discrete relay PCB configured for Alarm 1 see section 3 2 Failsafe controls relay activation for this common relay Failsafe ON causes the relay to...

Page 24: ...on in a Failsafe mode using the System Setup menu shown in Figure 2 12 Entering YES causes these discrete relays to have energized coils when no alarm condition exists for the associated channel and d...

Page 25: ...ng Acknowledge OFF allows the common Horn relay to drive devices other than horns or sirens such as a light or a fan Display Alm YES forces the LCD to display the Bar Graphs screen upon any new alarm...

Page 26: ...oils of slave devices are unaffected LCL only writes to the 2001 coils of connected RTU s when the local Reset pushbutton is pressed MB LCL writes these coils if this WX16 s 2001 coil has been reset v...

Page 27: ...nfo screen displays each channel s sensor status as illustrated in Figure 2 16 Channels with Sensor Life disabled indicate Option Disabled above the corresponding empty bar graph If Sensor Life is ena...

Page 28: ...following procedure Remove power from the controller Reapply power and as the alarm LED s begin scrolling down hold the following keys simultaneously UP DOWN NEXT EDIT Watch closely The 4 digit autho...

Page 29: ...s the I O PCB to the WX16 CPU and Display nest assembly Two I 2 C bus connectors allow addition of optional functions such as analog I O and discrete alarm relays for each channel Horizontal jumpers i...

Page 30: ...after power up indicating what options are connected and for which channels This information is also available from the Diagnostics Mode described in Section 4 Figure 3 2 3 1 1 Optional Analog Input P...

Page 31: ...re to be applied EXC and IN LO terminals are bussed together internally EXC terminals are tied directly to TB2 1 and IN LO terminals are tied to TB2 2 Bussing allows transmitter power to be brought in...

Page 32: ...e configured via rotary switch S1 to function for ALARM 1 ALARM 2 or ALARM 3 FAULT for channels 1 8 or 9 16 A 1 minute time delay after power is provided to inhibit relay actuation until the system ha...

Page 33: ...e limited in ability to carry this power further than a few feet without a significant voltage drop Some WX16 applications with relays for all 48 alarms may require up to 6 boards TB2 allows a heavier...

Page 34: ...hannel 10 0191 Each 10 0192 channel is equipped with a bridge amplifier and balance potentiometer and an adjustable switching regulator for setting the correct sensor excitation voltage A 3 position c...

Page 35: ...set the Voltage Adjust potentiometers for the correct sensor excitation voltage This may range from 1 5 volts to 7 5 volts depending upon sensor specifications Sensors may be damaged by accidental ov...

Page 36: ...TD Sensor Input board shown in Figure 3 6 allows these popular temperature sensors to be connected directly to the WX16 without additional signal conditioning or transmitters A 3 position range jumper...

Page 37: ...sensor readings Each channel must be calibrated individually by either simulating desired zero and span calibration resistance values or by actually placing the channel s RTD into an actual precision...

Page 38: ...WX16 User Manual 36 Figure 3 6...

Page 39: ...supply With at least 20 volts DC primary power they are capable of driving 20mA through a 750 ohm load Outputs are self powered and DC power should not be provided by the receiving device Note This P...

Page 40: ...data bits no parity one stop bit and FlowControl Hardware Printer diagnostic red LED s indicate printer faults such as out of paper overflowed buffer or loss of communications Green LEDs flicker to c...

Page 41: ...w setting of correct local time and date The ALARM PRINT ON OFF entry allows printing to be discontinued if turned to OFF PORT allows selection of RS 232 RS 422 or the parallel port With only one port...

Page 42: ...r 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 When ordered from the...

Page 43: ...nd analog I O It is exited manually by pressing NEXT and automatically if no keys are pressed for 5 minutes It is very important to understand that CHANNEL INPUT DATA IS NOT PROCESSED DURING THE DIAGN...

Page 44: ...WX16 User Manual 42 Figure 4 1...

Page 45: ...WX16 User Manual 43 Figure 4 2...

Page 46: ...Notes Channel Tag 1 40401 40408 3 n a 2 characters per register Channel Tag 2 40409 40416 3 n a 2 characters per register Channel Tag 3 40417 40424 3 n a 2 characters per register Channel Tag 4 40425...

Page 47: ...547 40549 3 n a 2 characters per register 3 registers per channel EUNITS 8 40550 40552 3 n a 2 characters per register 3 registers per channel EUNITS 9 40553 40555 3 n a 2 characters per register 3 re...

Page 48: ...95 40597 3 n a 2 characters per register 3 registers per channel ASCII Value 8 40598 40600 3 n a 2 characters per register 3 registers per channel ASCII Value 9 40601 40603 3 n a 2 characters per regi...

Page 49: ...nd status bits for a channel They are as follows Type Channel First Last Read FC Write FC Notes Channel Status 1 16 31017 31032 4 n a 16bit integer see bit by bit definition below Alarm 1 Trip bit0 1...

Page 50: ...Write FC Notes Cal Status 1 16 31037 n a 4 n a packed 16bit integer Trend Interval 1 16 31038 n a 4 n a 16bit integer Timer Time in Seconds Fault Status 1 16 31039 n a 4 n a packed 16bit integer Alar...

Page 51: ...integer Sensor Life 9 31073 n a 4 n a Signed 16bit integer Sensor Life 10 31074 n a 4 n a Signed 16bit integer Sensor Life 11 31075 n a 4 n a Signed 16bit integer Sensor Life 12 31076 n a 4 n a Signe...

Page 52: ...of 1 2 3 or 4 where 123 4 would return the value 10 Type Channel First Last Read FC Write FC Notes Zero Real 1 16 41001 16 n a 3 n a zero real w o decimal point Zero DP 1 16 41017 32 n a 3 n a zero re...

Page 53: ...om the ModBus master Type Channel First Last Read FC Write FC Notes Update MIN n a 2065 n a n a 5 Moves 24 hour MIN data trend to trend data base Update AVG n a 2066 n a n a 5 Moves 24 hour MIN data t...

Page 54: ...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 Additional 8 channel I O option PCB s must be l...

Page 55: ...ve mounted weather deflector shield is recommended Weight is approximately 17 pounds Figure 6 3 provides important warning information concerning correct grounding procedures for non metallic enclosur...

Page 56: ...WX16 User Manual 54 Figure 6 3...

Page 57: ...nside this enclosure It is suitable for mounting outdoors but an above mounted weather deflector shield is recommended Weight is approximately 30 pounds Conduit entries are not provided so installers...

Page 58: ...osure and follow national and local electrical codes Figure 6 5 6 5 Main I O Option PCB Footprint Dimensions WX16 controllers have virtually unlimited possibilities for configuration of options such a...

Page 59: ...expansion plate If more than 7 option positions are required the 10 0178 NEMA 4X wall mount option enclosure supporting 8 positions may be added WX16XP NEMA 7 Wall Mount supports 5 option positions a...

Page 60: ...connected to the WX16 s RS 485 master port and Wireless ModBus Slave mode connects it to the RS 485 slave port Figure 3 1 It is important to remember RADIO SETUP functions described in section 7 1 may...

Page 61: ...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...

Page 62: ...the WIRELESS RF900 setting shown at center of Figure 7 3 ONLY FOR COMMUNICATION TO OLCT 200 WIRELESS TRANSCEIVERS See section 7 4 for setting up wireless networks with other ModBus slave devices OLCT...

Page 63: ...ndicates the OLCT 200 s integral 3 6V lithium D cell part 10 0293 has dropped to below 3 3V and should be replaced very soon LoBatt is indicated on the WX16 s LCD readout and the Alarm 3 LED flashes R...

Page 64: ...ribed in section 3 1 This is a popular application when the ModBus slave is another remote WX16 or Oldham s WX4 controller available with built in radio modem compatible with the WX16 Radio Kit Other...

Page 65: ...st also have vertical polarity Care needs to be taken to ensure the Yagi is aligned correctly to achieve optimum performance Two Yagis can be used for a point to point link In this case they can be mo...

Page 66: ...earth via a ground stake or ground grid if the soil has poor conductivity Solid connection means a large capacity conductor not a small wire with no coils or sharp bends All other devices connected t...

Page 67: ...hout a surge diverter 7 6 2 Connections to Other Equipment Surges can enter the wireless unit from connected devices via I O serial or Ethernet connections Other data devices connected to the wireless...

Page 68: ...LE EAST AFRICA Industrial Scientific Oldham Z I Est rue Orfila BP 20417 62 027 Arras Cedex France Tel 33 3 21 60 80 80 Fax 33 3 21 60 80 00 Email info oldhamgas com Website www oldhamgas com ASIA PACI...

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