ABB IOD86MEM control module

Description

PACSystems RX7i CPUs with versions 1.50 and higher support IC697PCM711modules with firmware

versions 4.05 and higher. You must ensure that you are using a valid version of the PCM firmware

because the CPU cannot check the PCM’s firmware version. (The module’s firmware version can be

found on a label attached to the EEPROM.)

PACSystems does not support the following with an IC697PCM711:

▪ Connecting the programming software to the CPU through the serial ports on the PCM711.

▪ Access to Symbolic variables.

▪ WAIT mode COMMREQs.

▪ The following C functions are not supported:

– chk_genius_bus

– chk_genius_device

– get_cpu_type_rev

– get_memtype_sizes

– get_one_rackfault

– get_rack_slot_faults

▪ The C function write_dev will not write to read only references (%S references, transition bits, and

override bits). If this is attempted, the call will fail at run time and return an error code.

▪ The following restrictions apply when using the IC697PCM711 with PACSystems:

▪ Access to %W references is partially supported. Only offsets 0—65535 of %W can be accessed

via the PCM.

▪ The Program Name is currently always LDPROG1 for PACSystems.

▪ In case of ERROR NACK, the Control Program number, privilege level and other piggyback status

data will be set to 0.

▪ If an application program running on the PCM accesses the VME bus, the VME addresses being

used by that program must agree with the PACSystems RX7i VME address assignments. The

PACSystems RX7i VME address assignments are described in the PACSystems RX7i User’s Guide

to Integration of VME Modules, GFK-2235.

▪ PACSystems CPUs return the major/minor type of the Series 90-70 CPX935 (major type 12, minor

type 35) to the PCM scratch pad memory when communicating with a PCM.

▪ If your RX7i application program needs to access the PCM’s dual port memory, use the BUS READ

and WRITE functions. When accessing the PCM, set the Region parameter on the function block

to 1. (For the PCM, region 1 is predefined to be the module’s entire dual port memory.)

Note: For details on operation of the IC697PCM711, refer to Series 90 Programmable Coprocessor

Module and Support Software, GFK-0255.

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