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1. points are 110 220V 4 Amp resistive Form C relays LEDs indicate the status of each point All PXC Compact Series models support 0 10 Vdc Voltage Analog Output circuits On PXC 24 and PXC 36 models the Super Universal circuits may be defined as 4 20 mA current AO Power Supply The 24 volt DC power supply provides regulated power to the input output points and active sensors The power supply is internal to the PXC Compact housing eliminating the need for external power supply and simplifying installation and troubleshooting The power supply works with the processor to ensure smooth power up and power down sequences for the equipment controlled by the I O points even through brownout conditions Controller Processor The PXC Compact Series includes a microprocessor based multi tasking platform for program execution and communications with the I O points and with other PXC Compacts and field panels over the ALN A Human Machine Interface HMI port with a quick connect phone jack RJ 45 uses RS 232 protocol to support operator devices such as a local user interface or simple CRT terminal and a phone modem for dial in service capability A USB Device port supports a generic serial interface for an HMI or Tool connection The program and database information stored in the PXC Compact RAM memory is battery backed This eliminates the need for time consuming program and database re entry in the event of an extend2. N is connected to TCP IP e The PXC 36 with an FLN license supports up to 96 P1 FLN devices when the ALN is connected to RS 485 or TCP IP e A Wireless FLN may also be used to replace the traditional P1 FLN cabling with wireless communication links that form a wireless mesh network Additional hardware is required to implement the Wireless FLN For more information about FLN support contact your local Siemens Industry representative P1 FLN Operation The PXC 16 and PXC 24 can be configured as a programmable P1 FLN device In the P1 FLN mode the PXC Compact functions as an equipment controller with customized programming and default applications Virtual AEM Support The Virtual AEM license allows the PXC Compact to connect an RS 485 APOGEE Automation Level Network or individual field panels to a P2 Ethernet network without additional hardware Extended Temperature Operation The R models of the PXC Compact Series support extended temperature operation allowing for rooftop installations Field Panel GO The PXC 36 supports Field Panel GO The Field Panel GO license provides a Web based user interface for your APOGEE Building Automation System It is an ideal solution for small or remote facilities with field panels on an Ethernet Automation Level Network ALN Siemens Industry Inc Hardware The PXC Compact Series consists of the following major components Input Output Points Power Supply Controller P
3. SIEMENS PXC Compact Series Figure 1 PXC Compact Series Controllers PXC 24 and PXC 36 shown Description The PXC Compact Series Programmable Controller Compact is a high performance Direct Digital Control DDC supervisory equipment controller which is an integral part of the APOGEE Automation System The PXC Compact Series offers integrated I O based on state of the art TX I O Technology which provides superior flexibility of point and signal types and makes it an optimal solution for Air Handling Unit AHU control The PXC Compact operates stand alone or networked to perform complex control monitoring and energy management functions without relying on a higher level processor The PXC Compact Series communicates with other field panels or workstations on a peer to peer Automation Level Network ALN and supports the following communication options e Ethernet TCP IP e P2RS 485 Siemens Industry Inc MechtTronics Controls www hvacusa com Phone 877 632 4876 Technical Specification Sheet Document No 149 454 July 24 2012 The PXC Compact is available with 16 24 or 36 point terminations Selected models in the Compact Series provide the following options e Support for FLN devices e An extended temperature range for the control of rooftop devices e Support for Island Bus which uses TX I O modules to expand the number of point terminations Features e DIN rail mounte
4. UL916 PAZX7 all models FCC Compliance Australian EMC Framework European EMC Directive CE European Low Voltage Directive LVD OSHPD Seismic Certification Product meets OSHPD Special Seismic Preapproval certification OSH 021 7 10 under California Building Code 2010 CBC2010 and International Building Code 2009 IBC2009 when installed within the following Siemens enclosure part numbers PXA ENC18 PXA ENC19 or PXA ENC34 Ordering Information PXC Compact Series PXC24 2 PER A PXC Compact 24 point Ethernet IP ALN rooftop option PXC24 2 PEF A PXC Compact 24 point Ethernet IP or RS 485 ALN P1 FLN or Remote Ethernet IP Virtual AEM option PXC24 2 PERF A PXC Compact 24 point Ethernet IP or RS 485 ALN rooftop option P1 FLN or Remote Ethernet IP Virtual AEM option PXC36 PE A PXC Compact 36 point Ethernet IP or RS 485 ALN PXC36 PEF A PXC Compact 36 point Ethernet IP or RS 485 ALN Island Bus P1 FLN Siemens Industry Inc Page 7 of 8 Optional Licenses LSM FLN License to enable FLN support on PXC 16 or PXC 24 F models LSM VAEM License to enable Virtual AEM support when the ALN is connected to RS 485 Accessories PXM10T Controller mounted Operator Display module 16 switch HOA extended temp UL 916 with HMI cable Serial cable required for HOA or PXM10T S connection to non rooftop variants of the 16 point and 24 point Compact Series pack of 5 Service Boxes and Enclosures 18 Enclosu
5. d device with removable terminal blocks simplifies installation and servicing e Proven program sequences to match equipment control applications e Built in energy management applications and DDC programs for complete facility management e Comprehensive alarm management historical data trend collection operator control and monitoring functions e Sophisticated Adaptive Control a closed loop control algorithm that auto adjusts to compensate for load seasonal changes e Message control for terminals printers pagers and workstations e Highly configurable I O using Siemens state of the art TX I O Technology e HMI RS 232 port which provides laptop connectivity for local operation and engineering e Extended battery backup of Real Time Clock e Persistent database backup and restore within the controller e Optional HOA Hand Off Auto module for swappable and configurable HOA capability Page 1 of 8 e Optional extended temperature range for rooftop installation e Optional peer to peer communications over industry standard 10Base 1T 100Base TX Ethernet networks e Optional support for FLN devices e Optional support for P1 Wireless FLN e Optional operation as a P1 FLN device with default applications e Optional support for Virtual AEM e PXM10T and PXM10S support Optional LCD Local user interface with HOA Hand off auto capability and point commanding and monitoring features The Compact Ser
6. ed power failure The firmware which includes the operating system is stored in non volatile flash ROM memory this enables firmware upgrades in the field Brownout protection and power recovery circuitry protect the controller board from power fluctuations LEDs provide instant visual indication of overall operation network communication and low battery warning Page 3 of 8 Programmable Control with Application Flexibility The PXC Compact Series of high performance controllers provides complete flexibility which allows the owner to customize each controller with the exact program for the application The control program for each PXC Compact is customized to exactly match the application Proven Powers Process Control Language PPCL a text based programming structure like BASIC provides direct digital control and energy management sequences to precisely control equipment and optimize energy usage Global Information Access The HMI port supports operator devices such as a local user interface or simple CRT terminal and a phone modem for dial in service capability Devices connected to the operator terminal port gain global information access Multiple Operator Access Multiple operators can access the network simultaneously Multiple operator access ensures that alarms are reported to an alarm printer while an operator accesses information from a local terminal When using the Ethernet TCP IP ALN option multi
7. ies In addition to building and system management functions the Compact Series includes several styles of controllers that flexibly meet application needs PXC 16 The PXC 16 provides control of 16 points including 8 software configurable universal points Point count includes 3 Universal Input UI 5 Universal I O U 2 Digital Input DI 3 Analog Output AOV and 3 Digital Output DO PXC 24 The PXC 24 provides control of 24 points including 16 software configurable universal points Point count includes 3 Universal Input UI 9 Universal I O U 4 Super Universal I O X 3 Analog Output AOV 5 Digital Output DO PXC 36 The PXC 36 provides control of 36 local points including 24 software configurable universal points Point count includes 18 Universal I O U 6 Super Universal I O X 4 Digital Input DI and 8 Digital Output DO The PXC 36 offers the flexibility of expanding the total point count through a self forming island bus With the addition of a TX I O Power Supply up to 4 TX I O modules can be supported For more information see the TX I O Product Range Technical Specification Sheet 149 476 Page 2 of 8 Available Options The following options are available to match the application Ethernet or RS 485 ALN Support for APOGEE P2 ALN through TCP IP or RS 485 networks FLN Support e The PXC 24 F models with an FLN license Support up to 32 P1 FLN devices when the AL
8. ple operators may also access the controller through concurrent Telnet sessions and or local operator terminal ports Menu Prompted English Language Operator Interface The PXC Compact field panel includes a simple yet powerful menu driven English Language Operator Interface that provides among other things e Point monitoring and display e Point commanding e Historical trend collection and display for multiple points e Event scheduling e Program editing and modification via Powers Process Control Language PPCL e Alarm reporting and acknowledgment e Continual display of dynamic information Page 4 of 8 Built in Direct Digital Control Routines The PXC Compact provides stand alone Direct Digital Control DDC to deliver precise HVAC control and comprehensive information about system operation The controller receives information from sensors in the building processes the information and directly controls the equipment The following functions are available e Adaptive Control an auto adjusting closed loop control algorithm which provides more efficient adaptive robust fast and stable control than the traditional PID control algorithm It is superior in terms of response time and holding steady state and at minimizing error oscillations and actuator repositioning e Closed Loop Proportional Integral and Derivative PID control e Logical sequencing e Alarm detection and reporting e Reset schedule
9. re Utility Cabinet UL Listed NEMA Type 1 Enclosure 19 Enclosure UL Listed NEMA Type 1 Enclosure 34 Enclosure UL Listed NEMA Type 1 Enclosure Documentation 553 104 PXC Compact Series Owner s Manual 125 1896 Powers Process Control Language PPCL User s Manual Information in this document is based on specifications believed correct at the time of publication The right is reserved to make changes as design improvements are introduced APOGEE and Insight are registered trademarks of Siemens Industry Inc Other product or company names mentioned herein may be the trademarks of their respective owners 2012 Siemens Industry Inc Siemens Industry Inc Your feedback is important to us If you have Document No 149 454 Building Technologies Division comments about this document please send them to Printed in USA 1000 Deerfield Parkway sbt_technical editor us sot siemens com Page 8 of 8 Buffalo Grove IL 60089 4513 USA 847 215 1000
10. rocessor Input Output Points The PXC Compact input output points perform A D or D A conversion signal processing point command output and communication with the controller processor The terminal blocks are removable for easy termination of field wiring The Universal and Super Universal points leverage TX I O Technology from Siemens Industry to configure an extensive variety of point types Universal Input UI and Universal Input Output U points are software selectable to be Q 10V input 4 20 mA input Digital Input Pulse Accumulator inputs 1KNi RTD 32 Siemens Johnson Controls DIN Standard 1K Pt RTD 375 or 385 alpha 32 F 10K NTC Thermistor Type 2 and Type 3 TTF 100K NTC Thermistor Type 2 77 F 0 10V Analog Output Universal Input Output U points only Super Universal X points PXC 24 and PXC 36 only are software selectable to be Q 10V input 4 20 mA input Digital Input Pulse Accumulator inputs 1KNi RTD 32 Siemens Johnson Controls DIN Standard 1K Pt RTD 375 or 385 alpha 32 F 10K NTC Thermistor Type 2 and Type 3 71 F 100K NTC Thermistor Type 2 77 F 0Q 10V Analog Output 4 20 mA Analog Output Digital Output using external relay Dedicated Digital Input DI points PXC 16 and PXC 36 only are dry contact status sensing Siemens Industry Inc Digital Output DO
11. s Built in Energy Management Applications The following applications are programmed in the PXC Compact Series and require simple parameter input for implementation e Automatic Daylight Saving Time switchover e Calendar based scheduling e Duty cycling e Economizer control e Equipment scheduling optimization and sequencing e Event scheduling e Holiday scheduling e Night setback control e Peak Demand Limiting PDL e Start Stop Time Optimization SSTO e Temperature compensated duty cycling e Temporary schedule override Siemens Industry Inc Specifications Dimensions L x W x D PXC 16 and PXC 24 Motorola MPC852T 100 MHz PXC 36 Motorola MPC885 133 MHz PXC 16 and PXC 24 24 MB 16 MB SDRAM 8 MB Flash ROM PXC 36 80 MB 64 MB SDRAM 16 MB Flash ROM Non rooftop Models 60 days accumulated AA LR6 1 5 Volt Alkaline non rechargeable Rooftop Extended Temperature Models 90 days accumulated AA LR6 3 6 Volt Lithium non rechargeable Battery backup of Real Time Clock Non rooftop Models 10 years Rooftop Extended Temperature Models 18 months Communication USB Host port on selected models for ancillary smoke control applications only Standard 1 1 and 2 0 USB host port Type A female connector Electrical Power Consumption Maximum PXC 16 18 VA 24 Vac PXC 24 20 VA 24 Vac PXC 36 35 VA 24 Vac Siemens Industry Inc Page 5 of 8 Contact Closure Sensing Dry Contact Po
12. tential Free inputs only Does not support counter inputs Universal Input Ul and Universal Input Output U Super Universal X Operating Environment Relative Humidity Page 6 of 8 Analog Input Voltage 0 10 Vdc Current 4 20 mA 1K Ni RTD 32 F 1K Pt RTD 375 or 385 alpha 32 F 10K NTC Type 2 or Type 3 Thermistor 77 F 100K NTC Type 2 Thermistor 77 F Digital Input Pulse Accumulator Contact Closure Sensing Dry Contact Potential Free inputs only Supports counter inputs up to 20 Hz Analog Output Universal Input Output U points only Voltage 0 10 Vdc Analog Input Voltage 0 10 Vdc Current 4 20 mA 1K Ni RTD 32 F 1K Pt RTD 375 or 385 alpha 32 F 10K NTC Type 2 or Type 3 Thermistor 77 F 100K NTC Type 2 Thermistor 77 F Digital Input Pulse Accumulator Contact Closure Sensing Dry Contact Potential Free inputs only Supports counter inputs up to 20 Hz Analog Output Voltage 0 10 Vdc Current 4 20 mA Digital Output requires an external relay O to 24 Vdc 22 mA max PXC 16 and PXC 24 5 to 95 non condensing PXC 36 5 to 95 non condensing Siemens Industry Inc Mounting Surface PXC 16 and PXC 24 Direct equipment mount building wall or structural member PXC 36 Building wall or a secure structure Agency Listings UL UL864 UUKL except rooftop models UL864 UUKL7 except rooftop models CAN ULC S527 M8 except rooftop models UL916 PAZX all models
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