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Siemens Standard application AHU CE1P3977en_02
Building Technologies Function overview 01.02.2010
3 Function overview
3.1 General
• 49 inputs and outputs are available on the base controller POL63x and a maxi-
mum of 2 POL955.00/ALG extension modules.
• All functions and the positioning of I/Os are freely configurable on the operator
unit without programming.
• Sensor types (Pt1000, LGNi1000, Ni1000, NTC10k) and the areas for active
sensors are freely selectable.
• Step-by-step configuration. Functions that can no longer be selected are auto-
matically hidden in later steps.
• Disabled functions are hidden on operator units (HMI; HMI4Web) and for comm.
• Support of various languages (currently English, German and Swedish).
• The operating units are password protected and connected over the bus. A sin-
gle HMI possible for multiple controllers.
• Application software update and controller firmware with backup of plant pa-
rameters using the SD card.
• Download preconfigured plants using SD cards or a PC with the Saphir Scope
Tool.
• USB interface as the standard connection between the controller and PC.
• Supply air, room and return air and cascade control with optional limitation of
supply air.
• Summer/winter compensation of setpoint.
• External setpoint default or setpoint shift.
• Night start of plant when room temperature with separate setpoint is too low (too
high).
• 4 different heat recovery variants.
• 4 heating registers (2 warm water, 2 electric registers with up to 3 steps, or 0-
10V DC) with up to 3 included in the heating sequence.
• Limitation of electric register dependent on fan speed (stage).
• Preheating for the warm water register, including frost sensor and/or detector.
• 2 cooling registers (cold water or up to 3 stages or analog DX).
• Limitation of direct expansion evaporator dependent on fan speed (stage).
• Shut off cooling register when the outside air temperature is too low.
• Cooling recovery.
• Fresh air and exhaust air damper control.
• Fire damper control with autotest function.
• Extract air fan can be disabled.
• Stepped (maximum 3 steps), frequency controlled or modulating analog controll-
ed fans.
• Emergency off function.
• Time switch catalog with daily, weekly and annual program.
• Modbus RTU or TCP (master, Energy Meter EM24 from Carlo Gavazzi).
• Modbus RTU or TCP (Slave).
• BACnet IP and MSTP.
• LON.
• OPC via TCP/IP or modem.
• Web HMI. (for POL 638.xx only) automatically configured when configuring the
plant.
• Saphir Scope Tool via modem, TCP/IP or LON.
• Alarm messages per e-mail or SMS (GSM modem required).
Scope of delivery
Control functions
Implemented communi-
cations
Remote o
peration, ser-
vice
Basis Document Siemens Climatix Control System
BDCX.100820.01GB
Page 12
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