Original instructions SIRe Advanced Modbus communication GB ....
SIRe Modbus This manual describes how to connect SIRe Advanced with Modbus/RTU via RS485, the technical specification of the protocol in SIRe, the parameters and their use. For more information about other functions in SIRe, please see the main manual. For more information about Modbus please contact your BMS supplier or www.modbus.org Connection Modbus/RTU via RS485, connects on a 3 pole contact on terminal [BUS] on the SIReA1N. What information is presented Please see list of parameters.
Terminal Modbus/RTU RS-485 (EIA/TIA-485) Function 23 D0 A/A’ Non-inverting Pull-down [-] 24 D1 B/B’ Inverting Pull-up [+] 25 Com C/C’ Signal ground SIReUA1 Menu structure - Gateway functions > Installer menu Mixing cabinet External control General settings > Installer menu > External control 0-10V fan control 0-10V heat control Gateway functions > Installer menu > External control > Gateway functions > Installer menu > External control > Gateway functions System on/off enable Room te
Register Room temperature Outdoor temperature Fan speed Heating step Door position System on/off Week program Room temp. day SET Room temp. night SBT High speed limit Speed closed door Low Summer/Winter Season Door mode Fan mode FanMode Stepless fan control T max speed winter TmaxH T min speed winter TminH T min speed summer TminC T max speed summer TmaxC Over run mode Auto/fix High speed over run Hdelay Low speed over run Ldelay Outdoor temp.
Register Stepless heat control Control range limit Filter timer on/off Filter timer setting External filter guard Last filter change HCFL Mixing cabinet ctrl ON/OFF Min outlet temp. Day damper pos. DPD Night damper pos. DPN External on/off ON/OFF 0-10V fan control ON/OFF 0-10V heat control ON/OFF Set point correction Enable ext. room temp. Enable ext. outd. temp. Enable ext. fan speed Enable ext. heating step Enable ext. door contact Enable ext. on/off Enable ext. week prgm.
Min. water flow 0-3 V, 0,1V step Door contact func. NC/NO It_react It_alarm RTG_react RTG_alarm Min. return temp. Device ID Read only: Motor alarm TK Over heating alarm ON/OFF Outlet temp. Limit Outlet temp. limit Eco Outlet temp. limit Diff Outlet temp. limit Alarm Installation year Installation month Installation day Reserved for future use, no access.
Register E3 B1 without program E4 Missing/faulty RTX sensor on B1 Always zero, writes ignored E6 Faulty RTG sensor on B1 E7 Missing RTG (when mandatory) E8 It sensor error Always zero, writes ignored E10 two B1 with different program Always zero, writes ignored E12 Missing/faulty RTX on A1X Always zero, writes ignored E14 Outdoor sensor error Always zero, writes ignored Always zero, writes ignored Always zero, writes ignored Always zero, writes ignored Always zero, writes ignored Always ze
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