S.
Reference Document Clause AGAC Remarks Customer Clarification
No
1 PLC Specification PLC redundancy is required With 1518HF CPU, redundancy in As per the client's
for the CPU, critical I/O, ET200SP failsafe IO is not possible. Kindly specification,
communication, and power confirm if IO redundancy is mandatory for redundancy for critical
supplies. Redundancy must critical signals? If means please provide I/Os is required. The
allow full functionality with the list of IOs that require redundancy I/O list is provided
one fault present and below.
support "Hot Swapping"
without interrupting control
or losing data
2 PLC Specification System configuration The architecture is with 400H/PCS7 Kindly consider 1500HF
Drawing system. Kindly confirm we can proceed as system.
per UCP requirement BOM
3 UCP requirement SIPLUS BOM Are SIPLUS modules selected for meeting Consider PLC and HMI
Conformal Coated requirement or 70 hardware with
degree temperature withstanding? Kindly conformal coating.
Confirm. If failsafe IO modules need to
meet 70 degree then we need to leave
space between each module during panel
assembly. We may need to size panel
width accordingly.
IS Signal NIS Signal Namur RTD/PTC Total Critical I/O
Signal Signals
Digital 20 0 1 0 21 0
Input
Digital 15 15 0 0 30 0
Output
Analog 36 1 0 3 40 8
Input
Analog 2 0 0 0 2 0
Output
Notes:
Each PLC cabinet should have 20% spare I/O modules, based on the number of I/O
points used, with a minimum of one spare module of each type configured in the
application program.
The cabinet must have 20% empty space for future expansion.