ABB SACO16D1 Alarm Display Application Guide

Group alarm configuration (GROUP group):

Assign connections to Group 1 or Group 2 (S5, S6) for the A/B flashing signals of each channel.

Output relay mode (OUTPUT group):

Select the working mode (FCFR, AACR, ISR, etc.) for group alarm flashing relays 1 and 2 respectively.

Interlock configuration (INTERLOCK group):

Configure up to two interlocking functions for each channel, specifying the type (0-3) and the corresponding interlocking line (1-8). You can refer to the interlocking diagram in the manual for planning.

Module related parameters (MODULE group):

SPA bus slave address (01-99, no need to set when there is no bus connection).

Alarm sequence type selection (0=ISA A... 4=DIN 19235).

Serial communication port settings:

Communication speed selection (300-9600 bps).

Synchronization mode selection: When multiple displays are interconnected and there is no higher-level system, one needs to be designated as a synchronization pulse transmitter (V201=1) and the rest as receivers (V201=0) to achieve flash sequence synchronization.

Attention: If there is no button operation within one minute, the device will automatically exit programming mode. Entering programming mode will erase the local 9 event register (but does not affect the serial communication of the 50 event register).

5、 Serial Communication and System Integration

The device is equipped with an RS-485 standard serial interface, supports SPA bus protocol, and has a default speed of 9600 bps. Through this interface, it is possible to achieve:

Information reading: event register (with timestamp), channel status, parameter value, pulse count value.

Command writing: time synchronization, audio reset, alarm channel confirmation/reset, output relay control, interlock control, parameter setting, equipment testing.

System connection: It can be connected to the SPACOM system through electrical connections (distance of 20-30 m) or fiber optic modules (SPA-ZC 17/21, plastic fiber optic about 30 m, glass fiber optic up to 2 km). In environments with strong interference, such as substations, it is strongly recommended to use fiber optic communication. Through the LON/SPA gateway (SPA-ZC 100), it is also possible to access the LON bus network.

6、 Technical data and maintenance

6.1 Main Technical Specifications

Auxiliary power supply: 80-265 V AC/DC or 18-80 V DC.

Power consumption: 10 W (minimum)/15 W (maximum).

On site contact voltage: 48 V DC (supplied by the equipment).

Insulation withstand voltage: 2 kV AC, 1 minute for each port to the casing and between each other.

Working temperature: -10 to+55 ° C.

Storage temperature: -40 to+70 ° C.

Protection level: IP 54 (after panel installation).

Weight: Approximately 3.1 kg.

6.2 Maintenance and Repair

Under the specified environmental conditions, the equipment is basically maintenance free. If the environment is harsh, it is recommended to conduct a visual inspection in conjunction with a secondary test, paying attention to mechanical damage, signs of oxidation, and dust accumulation.

When a malfunction occurs, it is recommended to have an authorized repair station handle it. Usually, faults can be resolved by replacing plug-in modules. Key tip: When replacing the alarm main module (SWPM 3A1), the parameter memory (D17) on the old module can be unplugged and inserted into the new module, so that the new module immediately inherits the original configuration without the need for reprogramming. When operating electronic circuits, it is necessary to take electrostatic discharge (ESD) protection measures.