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ABB 500PSM03 1MRB 150038 R1 894-030375D 136-011100H｜Control Interface Module｜
500MBA01 1MRB150003R0002 1MRB200053/L
I/O signal acquisition and output
The board comes with a fixed channel:
8DI: Switching input (24V dry contact/PNP), reading on-site button, limit, relay status
8DO: Switching output (relay/transistor), driving contactors, solenoid valves, indicator lights
4AI: Analog input, 4-20mA/0-10V, connected to temperature, pressure, liquid level, and flow transmitters
2AO: Analog output, 4-20mA/0-10V, controlling valve opening and variable frequency setting
Accuracy/Speed:
Analog quantity: ≤± 0.1% accuracy, 16 bit resolution
Input response: ≤ 1ms
Output delay: ≤ 2ms
One sentence: Connect all sensors/actuators on site directly to this card, which is responsible for “reading in, calculating, and sending out”.
Bus communication and system bridging
It is on-site I/O ↔ Bridge between controller/upper computer:
Backplane bus: Connect AC500 PLC or Procontrol P13/DCS backplane
External communication: RS-485, Ethernet, Modbus RTU, Profibus DP (depending on version)
Data forwarding: Upload I/O data to the CPU and issue control commands to on-site devices
Function: Allow dispersed I/O to connect to the main system, achieving centralized monitoring and interlocking.
ABB 500PSM03 1MRB 150038 R1 894-030375D 136-011100H｜Control Interface Module｜
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