
Cordex® 24-400W 19” Integrated Shelf Installation and Operations Guide | 7 - Operation
7.3. CAN Bus Communication
The CAN bus is used for commands and data transfer between the rectifier and controller to configure the
rectifier with system settings and to monitor rectifier status.
7.4. Factory Ranges and Defaults
The following table lists the rectifier controller settings/ranges/defaults. These settings are for a 24V
system.
Table 7.
Factory Ranges and Defaults
Setting
Range (minimum to maximum)
Default
Float (FL) Voltage
23.75 – 29.30V
27.00V
Equalize (EQ) Voltage
24.90 – 29.30V
27.50V
Battery Test (BT) Voltage
22.00 – 26.00V
23.00V
Over Voltage Protection (OVP)
See note below – 30.30V
28.50V
Current Limit (CL)
23 – 100%
100%
Power Limit (PL)
0 – 100%
100%
Module Start Delay
0 – 250s
1s
System Start Delay
0 – 600s
0s
Low Voltage Alarm (LVA)
21.00 – 26.00V
22.00V
High Voltage Alarm (HVA)
26.00 – 30.30V
27.75V
Equalization (EQ) Timeout
1 – 2399h
30h
Battery Test (BT) Timeout
1 – 250h
8h
Softstart Ramp-rate
Normal/Fast
Normal
Current Limit / Power Limit Alarm
Enable/Disable
Enable
Remote Shutdown
Enable/Disable
Enable
Ramp Test
Enable/Disable
Enable
Note:
OVP cannot be set below the present system/FL/EQ/BT voltage setting or the safe mode
voltage of 25.7V.
9400021-J0 Rev B
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