Input Binary Frequency Function Module
Contents
1. Input Binary Frequency Function Module gt fo Ordering Table 3 Code Number Information Product Code Number Function Modules Input Binary Frequency Function Module 15 JRQHNSON CONTRELS Controls Group 507 E Michigan Street P O Box 423 Milwaukee WI 53201 16 Function Modules Input Binary Frequency Function Module Notes FAN 636 Metasys Network Technical Manual Name Revision Date 0793 Printed in U S A2. 122 F 0 to 50 C Environmental 10 to 90 noncondensing relative humidity Requirements 86 F 30 C maximum dew point Storage Shipping 40 to 158 F 40 to 70 C Environmental 5 to 95 noncondensing relative humidity Requirements 86 F 30 C maximum dew point 0 85 in H x 2 6 in W x 7 0 in L 2 2 cm H x 6 6 cm W x 17 8 cm L weight ose 027 Agency Compliance FCC Part 15 Subpart Class A UL 916 CSA C22 2 No 205 Agency Listings UL Listed and CSA Certified as part of Metasys 6 Function Modules Input Binary Frequency Function Module General Information Installation Procedures eed When installing and connecting function modules e follow NEC and local codes e observe maximums as specified in the specification table and in these installation guidelines e use switches on front of module to adjust for type of input See figure below Input Type Switch Setting High Low Voltage Contact Closures ore Input Frequency Switch Setting 64 to 32767 HZ 32K 32 to 16383 HZ 16K 4 to 2047 HZ 2K 1 to 512 HZ 512 Figure 3 Switch Settings Function Modules Input Binary Frequency Function Module 7 Flow Meter The figure below diagrams typical connections for a flow meter 250 ft max No igawa TBF IBF twisted Flow Analog Meter N as Voltage ead Sense frequency
3. METASYS Metasys Network Technical Manual 636 Function Modules Section Technical Bulletin Issue Date 0793 Input Binary Frequency Function Module Introduction Page 3 e Description 3 e Application 4 e Capabilities 4 e Theory of Operation 5 e Specifications 6 Installation Procedures 7 e General Information 7 e Flow Meter 8 e Physical Installation Commissioning Procedures 11 e Software Verification 11 Troubleshooting Procedures 13 e Troubleshooting Chart 13 e Ordering Information 15 1993 ohnson Controls Inc 1 Order No 636 033 2 Function Modules Input Binary Frequency Function Module Description Introduction The Input Binary Frequency IBF Function Module is a signal conditioning device that interfaces incoming field signals to the DCM The IBF senses field data available as rapidly cycling contact closures or input voltages and converts the input frequency to a DC voltage for use by the DCM The IBF Function Module plugs into any of the top ten slots associated with the DCM Figure 1 shows typical function module locations in the NCU A five slot panel is pictured L Input FMs Figure 1 IBF Function Module Location Function Modules Input Binary Frequency Function Module 3 Application a frequency output Capabilities Table 1 Capabilities The IBF Function Module is typically used with a flow transmitter that has Capability Input from Field Input Type Switch Input Frequen
4. and Output Ben Lf O convert to analog output A G Optional oN l 8 4 7 F N braire Connection a N to DM aa A _ lt completed through ae TBF in left bay TBF in right bay i sa e P N Da of NCU NEU of NCU NEU y on end of function IE n J Xg module Z SeN 3 ANAE Strip wire and insert in side face of TBF Use P S set screw in front face to secure Figure 4 Connections for Flow Meter IBF Applications 8 Function Modules Input Binary Frequency Function Module Physical Installation Assumptions Procedure The following procedure for the physical installation of the Input Binary Frequency IBF Function Module assumes NCU NEU panel is installed Connections to field devices are complete You have engineering drawings defining details for the installation You are familiar with Metasys Network terminology and the location and operation of power switches For each IBF Function Module in the network perform the following steps 1 Set Input Type switch for contact or voltage inputs See Specification section for an explanation of switch selections 2 Set appropriate input frequency switch for input frequency range Make only one input frequency selection 3 Refer to Figures 3 and 4 and identify the proper panel and slot number location for this module 4 Open the latch and insert the module in the appropriate slot Close latch locking fu
5. the diagram in Figure 5 next page as a troubleshooting guide It applies for failures between point objects and field devices connected through an IBF Function Module Function Modules Input Binary Frequency Function Module 13 Start fs the lt Summary lt containing this object displaying correct values lt No 1 A Ww Yo Pot N gt Exit Fix definition K object definition OK e Se Se Yes x 7 sDCM N 7 etror LED off and N No See Operator Workstation User s Manual Troubleshoot DCM RA is N2 pollingand responding k y Si x eee pe Is lt external power N required lt Yes eo A Is S gt See DCM 101 Technical Bulletin Repair or replace if ae lt external power SS me supply OK a lt Usinga N scope check Yes JCI is responsible Replace FM See Ordering Information ordering information Refer to Material Return and FMinput AS OK oe No YS _ Using N _7a scope check Yes Allowance Program Procedure 3C2700 for information on returning defective FMs for Troubleshoot _ fielddevice gt N output NKR or frequency y counter iN Repair or replace field gt connections and wiring device if JCI is responsible Figure 5 IBF Troubleshooting 14 Function Modules
6. cy Switch Output to DCM 4 Function Modules Input Binary Frequency Function Module Field device inputs a rapidly changing binary state The state can be either Contacts closed vs open Voltage high vs low A two position switch selects type of input Contacts closed vs open Voltage high vs low Four 2 position switches select 1to 512 Hz 4to 2047 Hz 32 to 16383 Hz 64 to 32767 Hz Module outputs DC voltage that is proportional to the input rate of change frequency Provides interface of a rapidly cycling signal a frequency signal to the DCM Module is easily configured for different input types Module is easily configured for different input frequency ranges Provides direct plug in connection to the DCM Theory of The figure below is a simplified function diagram of the IBF Function Operation Module IBF OP yy ry Ode Analog Voltage Field State Sense frequency and Output DCM Device convert to analog output ibf101 Figure 2 IBF Function Diagram The process is e A field device provides an input signal to the IBF in the form of contact closures or high low voltage cycles e Manual switch selections identify the type of input high low voltage or contact closures and the frequency range of the input e Frequency circuitry in the IBF converts the input cycle rate or frequency into an analog voltage output e The DCM receives
7. nction module in place Function Modules Input Binary Frequency Function Module 9 10 Function Modules Input Binary Frequency Function Module Software Verification Assumptions Procedure Commissioning Procedures The following procedure for the software verification of the IBF Function Module assumes Physical installation at the NCU NEU panel is complete including NCM DCM FM etc The operating software for the network has been downloaded to the NCM controlling the panel An Operator Workstation is available For each IBF Function Module in the network perform the following steps 1 Select the System summary that includes this IBF object 2 Verify that the point object defined in the System summary the function module and the field device are connected as defined by Figure 5 Correct if necessary 3 Verify that the object s Value attribute as seen in the summary matches the actual value for the field device Calibrate if necessary 4 If calibration is required adjust Linearization Parameter 1 up or down as appropriate a Using the Focus window on an Operator Workstation adjust Linearization Parameter for proper calibration b Enter the new linearization parameter setting in the DDL or GPL source file Function Modules Input Binary Frequency Function Module 11 12 Function Modules Input Binary Frequency Function Module Troubleshooting Chart Troubleshooting Procedures Using
8. the signal and converts the analog voltage value to a digital value This value is entered in the data file for the point object associated with the field device input Function Modules Input Binary Frequency Function Module 5 Specifications Table 2 Specifications Category Specifications For Configurations Input Range 32767 Hz 16383 Hz 2047 Hz 512 Hz Input Threshold High low voltage mode gt 8 V for ON lt 2V for OFF Contact closure mode lt 100K ohm for ON gt 800K ohm for OFF Input Limits Absolute maximum input voltage 30 VDC or RMS non destructive Input Resistance gt 330K ohm differential gt 165K ohm from each input to analog common Input Output Linear voltage output from 0 to 10 VDC proportional to input frequency Characteristics Zero volt output at minimum frequency Output Range 0 to 10 VDC 4 sec maximum for full range input frequency step change 1 Hz or 0 1 whichever is greater of full scale output 0 5 of full scale output at 70 2 F 21 1 1 C Stability 1 0 of full scale deviation from original calibration for one year under normal operating conditions Thermal Effects 0 04 of full scale per F for 32 to 122 F 0 072 of full scale per C for 0 to 50 C Humidity Effects 0 02 of full scale output per relative humidity for 10 to 90 relative humidity Calibration The module is factory calibrated Power is from the DCM and NCU NEU Operating 32 to
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