Related Manuals for CIAT AquaCIAT LD Series
Summary of Contents for CIAT AquaCIAT LD Series
- Page 1 ECG-UG-16-006 REVISION DATE PAGE AquaCIAT LD/ILD 1/13/17 1 OF 20 Rev A Modbus USER GUIDE AquaCIAT LD/ILD Chillers Modbus Communication Company private. Do not distribute outside of CIAT Corporation...
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Page 2: Table Of Contents
Institute of Electrical and Electronics Engineers Internet Protocol Input Register Network Outside Air Temperature Remote Terminal United Technologies Corporation Saturated Condensing Temperature Saturated Suction Temperature Transmission Control Protocol xxLS ..Low Speed xxHS ..High Speed Company private. Do not distribute outside of CIAT Corporation... -
Page 3: Connection Channels
Unit identifier must be declared from 1 to 247 as slave product number setup (i.e. station number) Cyclic Redundancy Check is made by the RTU protocol layer as defined in Appendix A of “Modbus over serial line” specification available at modbus.org Company private. Do not distribute outside of CIAT Corporation... -
Page 4: Rj45 Socket Details
Least significant byte is sent first) Unit identifier must be declared from 1 to 247 as slave product number setup (i.e. station number) Company private. Do not distribute outside of CIAT Corporation... -
Page 5: Modbus Functions
0 to 9999 (decimal) Configuration or service dataset 16 with quantity 2 WRITE HOLDING REGISTER Configuration or service dataset WRITE MULTIPLE HOLDING 16 with quantity NX2 REGISTERS (from 1 to 123 max. contiguous) Company private. Do not distribute outside of CIAT Corporation... -
Page 6: Mapping Interface
Byte (8-bit) (0026)h REPEATED_LO_SST_A_F REPEATED_LOW_SST_A_F Byte (8-bit) (0028)h REPEATED_LO_SST_B_F REPEATED_LOW_SST_B_F Byte (8-bit) (0029)h HEAT_LOW_EWT_F HEAT_LOW_EWT_F Byte (8-bit) (002B)h HP_SWITCH_A_F HP_SWITCH_A_F Byte (8-bit) (003F)h HP_SWITCH_B_F HP_SWITCH_B_F Byte (8-bit) (0040)h SENSORS_SWAP_F SENSORS_SWAP_F Byte (8-bit) Company private. Do not distribute outside of CIAT Corporation... - Page 7 (0FA1)h 4002 SIOB_B_LOW_VOLT_F SIOB_LOW_VOLT_CIRB_F Byte (8-bit) (0FA2)h 4901 SIOB_CIR_A_COM_F ALM_SIOB_CIR_A_COM_F Byte (8-bit) (1325)h 4902 SIOB_CIR_B_COM_F ALM_SIOB_CIR_B_COM_F Byte (8-bit) (1326)h 4601 AUX1_COM_F ALM_AUX1_COM_F Byte (8-bit) (11F9)h 4602 FC_AUX1_COM_F FC_AUX1_COM_F Byte (8-bit) (11FA)h Company private. Do not distribute outside of CIAT Corporation...
- Page 8 (32-bit) Signed Integer PROTOCOL EMSTOP Emergency Stop (0006)h (32-bit) Signed Integer PROTOCOL HC_SEL Heatcool Select (0008)h (32-bit) Signed Integer PROTOCOL SP_SEL Setpoint Select (000A)h (32-bit) PROTOCOL DEM_LIM Demand Limit Signed Integer Company private. Do not distribute outside of CIAT Corporation...
- Page 9 Heating Setpoint 2 (0052)h (32-bit) IEEE Float SETPOINT ramp_sp Ramp Loading (0054)h (32-bit) IEEE Float SETPOINT cauto_sp Cool Changeover Setpt (0056)h (32-bit) IEEE Float SETPOINT hauto_sp Heat Changeover Setpt (0058)h (32-bit) Company private. Do not distribute outside of CIAT Corporation...
- Page 10 (32-bit) Signed Integer GENUNIT DEM_LIM Active Demand Limit Val (0018)h (32-bit) IEEE Float GENUNIT Current Setpoint (001A)h (32-bit) IEEE Float GENUNIT CTRL_PNT Control Point (001C)h (32-bit) GENUNIT Alarm State Signed Integer Company private. Do not distribute outside of CIAT Corporation...
- Page 11 Discharge Pressure A (005E)h (32-bit) IEEE Float PRESSURE SP_A Suction Pressure A (0060)h (32-bit) IEEE Float PRESSURE DP_B Discharge Pressure B (0062)h (32-bit) IEEE Float PRESSURE SP_B Suction Pressure B (0064)h (32-bit) Company private. Do not distribute outside of CIAT Corporation...
- Page 12 FAN_A1LS Fan A1LS Output (00C6)h (32-bit) Signed Integer OUTPUTS FAN_A1HS Fan A1HS Output (00C8)h (32-bit) Signed Integer OUTPUTS FAN_A2LS Fan A2LS Output (00CA)h (32-bit) OUTPUTS FAN_A2HS Fan A2HS Output Signed Integer Company private. Do not distribute outside of CIAT Corporation...
- Page 13 (0142)h (32-bit) IEEE Float RUNTIME st_cp_b2 Compressor B2 Starts (0144)h (32-bit) IEEE Float RUNTIME hr_cpum1 Water Pump #1 Hours (014A)h (32-bit) IEEE Float RUNTIME hr_cpum2 Water Pump #2 Hours (014C)h (32-bit) Company private. Do not distribute outside of CIAT Corporation...
- Page 14 (01EE)h (32-bit) Signed Integer FACTORY vsd_fan Var Speed Fan Selection (01F6)h (32-bit) Signed Integer FACTORY dual_pmp Factory Dual Water Pump (01FC)h (32-bit) FACTORY vsd_pump Var Speed Water Pump Sel Signed Integer Company private. Do not distribute outside of CIAT Corporation...
- Page 15 (0264)h (32-bit) IEEE Float SERVICE1 hd_dg Deri PID Gain Varifan (0266)h (32-bit) IEEE Float SERVICE1 hp_th High Pressure Threshold (026E)h (32-bit) IEEE Float SERVICE1 heatersp Cooler Heater Delta Spt (0270)h (32-bit) Company private. Do not distribute outside of CIAT Corporation...
- Page 16 Mean SST Calculation (0352)h (32-bit) IEEE Float DEFROSTM delt_a Delta: OAT - Mean SST (0354)h (32-bit) IEEE Float DEFROSTM delt_r_a Reference Delta (0356)h (32-bit) DEFROSTM delt_v_a Delta - Reference Delta IEEE Float Company private. Do not distribute outside of CIAT Corporation...
- Page 17 Power On 2 :day-mon-year (0384)h (32-bit) IEEE Float LAST_POR time_on2 Power On 2 :hour-minute (0386)h (32-bit) IEEE Float LAST_POR date_of2 PowerDown 2:day-mon-year (0388)h (32-bit) IEEE Float LAST_POR time_of2 PowerDown 2:hour-minute (038A)h (32-bit) Company private. Do not distribute outside of CIAT Corporation...
- Page 18 Reset Maintenance Alert (03B8)h (32-bit) Signed Integer SERMAINT charge_m 2 - Refrigerant Charge (03BA)h (32-bit) Signed Integer SERMAINT wloop_m 3 - Water Loop Size (03BC)h (32-bit) SERMAINT s_date1 Date numeric IEEE Float Company private. Do not distribute outside of CIAT Corporation...
- Page 19 Computed Cond Setpoint (0426)h (32-bit) 1064 IEEE Float HEADCTRL condsp_b Computed Cond Setpoint (0428)h (32-bit) 1066 IEEE Float HEADCTRL conda_dt Condensing Error (042A)h (32-bit) 1068 IEEE Float HEADCTRL condb_dt Condensing Error (042C)h (32-bit) Company private. Do not distribute outside of CIAT Corporation...
- Page 20 (32-bit) 1108 Signed Integer FCOOL_ST fc_fanst Fc Fan Stage (0454)h (32-bit) 1110 IEEE Float FCOOL_ST fc_fansp Fc Varifan Speed (0456)h (32-bit) 1112 IEEE Float FCOOL_ST FC_HOUR FC Operating Hours (0458)h (32-bit) Company private. Do not distribute outside of CIAT Corporation...