Morningstar TS-MPPT-45 User Manual

TriStar MPPT MODBUS® Specification V10.2 5 December 2011 Morningstar Corporation 8 Pheasant Run Newtown, PA 18940 www.mor

TriStar MPPT MODBUS Document v10 http://www.morningstarcorp.com 10/26 05 Dec 2011 Vmeter [33][0x0020] (V). MeterBus supply voltage. Meter

TriStar MPPT MODBUS Document v10 http://www.morningstarcorp.com 11/26 05 Dec 2011 Heavily filtered charging current value. Vb_min [41][0x

TriStar MPPT MODBUS Document v10 http://www.morningstarcorp.com 12/26 05 Dec 2011 alarm_HI / alarm_LO [47, 48][0x002E, 0x002F] (bitfield)

TriStar MPPT MODBUS Document v10 http://www.morningstarcorp.com 13/26 05 Dec 2011 Value LED State 0 LED_START 1 LED_START2 2 LED_BRANCH 3 F

TriStar MPPT MODBUS Document v10 http://www.morningstarcorp.com 14/26 05 Dec 2011 V_target [52][0x0033] (V). Target Voltage. Voltage to wh

TriStar MPPT MODBUS Document v10 http://www.morningstarcorp.com 15/26 05 Dec 2011 Sweep_Vmp [62][0x003D] (V). Solar array Vmp. Maximum pow

TriStar MPPT MODBUS Document v10 http://www.morningstarcorp.com 16/26 05 Dec 2011 Reports daily flags, as defined below, that occurred toda

TriStar MPPT MODBUS Document v10 http://www.morningstarcorp.com 17/26 05 Dec 2011 time_eq_daily [79][0x004E] (s). Cumulative time in Equali

TriStar MPPT MODBUS Document v10 http://www.morningstarcorp.com 18/26 05 Dec 2011 EEPROM TCP Network Settings HTTPPort [5404][0x151B]().

TriStar MPPT MODBUS Document v10 http://www.morningstarcorp.com 19/26 05 Dec 2011 Charge Settings EV_absorp [57345][0xE000](V). Absorptio

General Information The TriStar MPPT supports the industry standard MODBUS® application protocol via its serial RS-232 and EIA-485 interfaces and MOD

TriStar MPPT MODBUS Document v10 http://www.morningstarcorp.com 20/26 05 Dec 2011 Battery equalize voltage. Periodic equalization equalizes

TriStar MPPT MODBUS Document v10 http://www.morningstarcorp.com 21/26 05 Dec 2011 Evb_ref_lim [57361][0xE010](V) Maximum regulation limit

TriStar MPPT MODBUS Document v10 http://www.morningstarcorp.com 22/26 05 Dec 2011 Emeter _id [57371][0xE01A](). MeterBus ID Address which

TriStar MPPT MODBUS Document v10 http://www.morningstarcorp.com 23/26 05 Dec 2011 Read-Only Variables Ehourmeter_LO / Ehourmeter_HI [5

TriStar MPPT MODBUS Document v10 http://www.morningstarcorp.com 24/26 05 Dec 2011 Etmr_eqcalendar [57484][0xE08B](V). Equalize calendar ti

TriStar MPPT MODBUS Document v10 http://www.morningstarcorp.com 25/26 05 Dec 2011 Examples Read Holding Register, Scaling a voltage value

TriStar MPPT MODBUS Document v10 http://www.morningstarcorp.com 26/26 05 Dec 2011 References  Visit http://www.modbus-ida.org/ for full

TriStar MPPT MODBUS Document v10 http://www.morningstarcorp.com 3/26 05 Dec 2011 Supported MODBUS Functions Read Holding Registers (0x03)

TriStar MPPT MODBUS Document v10 http://www.morningstarcorp.com 4/26 05 Dec 2011 0x0034 53 Ahc_r HI Ah charge – resetable Ah n·0.1 0x0035

TriStar MPPT MODBUS Document v10 http://www.morningstarcorp.com 5/26 05 Dec 2011 0x1024 string 0x1025 NetFlags 0x4000=DHCP Enabled, 0x0=DH

TriStar MPPT MODBUS Document v10 http://www.morningstarcorp.com 6/26 05 Dec 2011 0xE011 57362 ETb_max max. temp comp limit C √ 0xE012 5736

TriStar MPPT MODBUS Document v10 http://www.morningstarcorp.com 7/26 05 Dec 2011 Read Coils (0x01), Read Discrete Inputs (0x02), Write Sing

TriStar MPPT MODBUS Document v10 http://www.morningstarcorp.com 8/26 05 Dec 2011 Variables and Definitions Variable_name [Logical Address

TriStar MPPT MODBUS Document v10 http://www.morningstarcorp.com 9/26 05 Dec 2011 Filtered ADC Vb [25][0x0018] (V). battery voltage, filter