7.6 Limon™ BMS Software Interface Settings

Battery management system's most important part is the settings. User must set the correct parameters of the system to achieve no errors.

Danger

Always double check your values before saving all settings.

Fig.7.6.1: Interface Settings Screen

Table.7.6.1: Interface Settings Screen Elements Descriptions

No. Description Setting Options
T6 Selection tab for Interface settings.
M4 Selection tab for Settings.
S78 Serial Port No#0 Protocol. This port using as fixed service port.

LiMon PC: Deticated Protocol for PC Tool Communication Only
JSON: JSON Communication. See "BMS Communication -> JSON" section for details.

See Communication Ports in the User Manual.
Options: LiMon PC, JSON
S79 Multi Master (MM) configuration Set multi master behaviour for communication of between master hardwares

See Parallel Packs and Managing Settings in the User Manual.
Options: MM Disabled, MM Main Controller, MM Slave in Series, MM Slave in Parallel
S80 Number of Multi Master (MM) slave units Set number of multi master slave units for communication of between master hardwares

See Parallel Packs in the User Manual.
S81 Maximum Parallel Battery Packs Voltage Delta Highest allowed voltage difference between parallel packs. Checked by the Multi-Master main controller; on BMS1810 it also applies to the parallel groups of one pack. Higher values may damage cables, connectors and fuses.

See Parallel Packs and Battery Topology in the User Manual.
S82 Pack delta voltage protection release. With the equalization strategy, the Parallel Packs Delta Voltage event clears when the voltage difference between parallel packs is at or below this value.

See Parallel Packs in the User Manual.
S83 Multi-Master communication error strategy. Action taken when the Multi-Master communication times out.

See Parallel Packs in the User Manual.
Options: Do Nothing (Manual Recovery), Disable All Power Out on Comm Error and Retry, Disable Relevant Power On Comm Error and Retry
S84 Multi-Master pack delta protection strategy. Action taken when the voltage difference between parallel packs exceeds the protection limit.

See Parallel Packs in the User Manual.
Options: Do Nothing (Manual Recovery), Disable All Power Out (Manual Recovery), Disable Relevant Power Out Only (Manual Recovery), Disable Relevant Power Out Only and Wait For Equalization
S85 RS485 No#0 protocol selection Select proper modbus protocol for your application.

Disabled: The current firmware answers Modbus RTU in either case.
MODBUS RTU: Standard Modbus RTU protocol. See "BMS Communication -> Modbus" section for details.

See Communication Ports in the User Manual.
Options: Disabled, MODBUS RTU
S86 Modbus ID in Decimal Format Set proper ID for modbus RTU protocol. See "BMS Communication -> Modbus" section for details.

See Communication Ports and Managing Settings in the User Manual.
S87 Canbus No#0 Speed Settings Canbus baudrate options.

125kbit/s
250kbit/s
500kbit/s
1000kbit/s

See Communication Ports and Managing Settings in the User Manual.
Options: 125 kbit/s, 250 kbit/s, 500 kbit/s, 1000 kbit/s
S88 Canbus No#0 Data Period Settings Canbus data interval

Disabled: No Periodic Data. Only Responds When Requested.
250ms: Data Send to every 250ms
500ms: Data Send to every 500ms
1000ms: Data Send to every 1000ms
1500ms: Data Send to every 1500ms
2000ms: Data Send to every 2000ms

See Communication Ports and Managing Settings in the User Manual.
Options: Disabled, 250ms, 500ms, 1000ms, 1500ms, 2000ms
S89 Canbus No#0 Port Protocol. Select proper canbus protocol for your application.

Disabled: No protocol selected or no canbus hardware
LiBat CANbus v1.0: Earlier LiBat protocol, kept for existing installations; it is no longer documented here.
LiBat CANbus v2.0: Current LiBat protocol, described in the BMS Communication section.
OEM Custom v1.0: Customer-specific protocol for a single OEM project. Select it only when LiBat has told you to.

See Communication Ports and Managing Settings in the User Manual.
Options: Disabled, LiBat CANbus v1.0, LiBat CANbus v2.0, OEM Custom v1.0
S90 CAN bus base frame ID in hexadecimal format First 4 bytes of canbus ID can be customized. Set proper ID or left as it is. e.g. 0x0AAA (2730), 0x0BBB (3003)

See Communication Ports and Managing Settings in the User Manual.

Settings buttons

The buttons at the bottom of this screen are explained in 7.8 Settings Buttons.