6.1.1 YDOA Compatibility
The YDIA I/O pack contains an internal processor board. The following table lists the available versions of the YDOA.
YDOA Version Compatibility
I/O Pack
Processor Board
Compatible (Supported) Firmware ControlST Software Suite Versions
YDOAS1B BPPC V05.00 and later Supported in V06.01 and later versions
Attention
YDOAS1A and YDOAS1B I/O pack versions cannot be mixed on the same T-type
terminal board.
All three YDOA I/O packs in a TMR set must be the same hardware form.
To upgrade or replace the YDOA, refer to the following replacement procedures for specific instructions:
• Replace Mark VIeS Safety I/O Pack with Same Hardware Form
• Replace Mark VIeS Safety I/O Pack with Upgraded Hardware Form
YDOA is compatible with several types of discrete (relay) output terminal boards.
YDOA Terminal Board Compatibility
Terminal Board
Description
I/O Pack Redundancy
Simplex
Dual TMR
TRLYS1B Relay output with coil sensing Yes No Yes
TRLYS1D Relay output with solenoid integrity sensing Yes No Yes
TRLYS1F, S2F Relay output with TMR contact voting No No Yes
SRLYS2A Form-C contact relay output Yes No No
I/O pack redundancy refers to the number of I/O packs used in a signal path, as follows:
• Simplex uses one I/O pack.
• TMR uses three I/O packs.
132 GEH-6855_Vol_II GEH-6855_Vol_II Mark VIeS Functional Safety Systems Volume II
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