IS420PSCAH1B

About the IS420PSCAH1B

The IS420PSCAH1B is a Serial Communication I/O pack used to provide electrical interfacing between a serial communications terminal board and up to two input-output Ethernet networks. This module also contains a BPPC processor board that is common to most if not all of the Mark VIe I/O packs as well as a serial communications board. Note that the BPPC has the capability to be used with a ControlST version of 4.07 or later. All of the inputs supplied to this module are sent through a three-pin power input as well as dual RJ45 connectors.

Hardware Tips and Specifications

This module has six configurable serial channels. The IS420PSCAH1B module supports three different modes: RS422, RS485, and RS232 half duplex standards. The channels have a variety of configurable feature. Some are as follows: 

• Data Bits: Seven, Eight
• RTU
• Station addresses
• Baud Rate: 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, and 115200

These features are used to help support high-speed functionality and reliability. All of the information regarding these features can be found in the GEH-8655 Vol II manual in chapter nine. 

IS420PSCAH1B Diagnostics 

The IS420PSCAH1B module has the capability to perform self-diagnostic tests including:

• continuous monitoring of the internal power supply
  • to help with correct operation
• a power-up self-test
  • to help check the different types of memory, Ethernet ports, and the remainder of the processor board hardware

There are a variety of different alarms relating to the IS420PSCAH1B module.