Huawei ECC500 - 3 Configurations and Port; Configurations

ECC500
User Manual
3 Configurations and Port
Issue 05 (2020-03-16)
Copyright © Huawei Technologies Co., Ltd.
15
3 Configurations and Port
3.1 Configurations
The ECC500 consists of a power module, a main control module, an RS485 expansion card,
and an AI/DI expansion card. The detailed configuration rules are as follows:

An ECC500 with standard configurations consists of a main control module, a power
module, an RS485 expansion card, and an AI/DI expansion card, as shown in Figure 3-1.

Depending on site requirements, a maximum of four RS485 expansion cards and AI/DI
expansion cards can be configured.

Independent deployment AI/DI units can only be connected to COM4 and COM5 ports
on RS485 expansion cards in slots 3 and 4. A maximum of two independent deployment
AI/DI units can be connected to each port, and the Independent Deployment AI/DI Unit
addresses can only be 1 or 2.

If two RS485 expansion cards are configured, a maximum of eight independent
deployment AI/DI units can be configured.
Figure 3-1 ECC500
(1) Slot 0: main control module
(2) Slot 1: Reserved
(3) Slot 3: RS485 expansion card
(4) Slots 5 and 6: power modules
(5) Slot 2: Reserved
(6) Slot 4: AI/DI expansion card
Table 3-1 describes the functions of the ECC500 components.