VM600 MPS hardware manual (standard version) MAMPS-HW/E 5 - 1
Edition 17 - February 2018
General block diagram
AMC8 / IOC8T CARD PAIR
5 AMC8 / IOC8T CARD PAIR
5.1 General block diagram
A block diagram of the AMC8, IOC8T, RLC16 and IRC4 cards is shown in Figure 5-1. This
shows schematically the backplane, which physically divides the ABE04x rack into a front
card cage and a rear card cage.
The AMC8 (shown on the left of the diagram) is mounted in the front card cage. This card
effects the signal processing functions for the MPS. Its panel contains an LED indicator
(DIAG/STATUS) showing the hardware status of the AMC8 / IOC8T card pair. Additional
LED indicators are present to provide information on the status of each individual channel
(such as signal valid or the presence of alarms). The panel also has a 9-pin D-sub connector
for configuring an AMC8 card used in a stand-alone rack, that is, a rack not containing a
CPUM card.
Each AMC8 card is necessarily connected (via the backplane) to an IOC8T input/output card
mounted in the rear card cage. The IOC8T card's panel (rear of rack) has terminals for
connecting the signal transmission lines coming from measurement sensors, such as RTD
devices, thermocouples and flow rate detectors). Other terminals are used to output
processed signal values (4 to 20 mA, with 0 to 10 V optionally available).
The IOC8T contains 4 local relays with outputs available on a screw terminal strip. In
applications needing more than the 4 relays provided by the IOC8T, an RLC16 relay card or
an IRC4 intelligent relay card can be installed in the rack.
The RLC16 card contains 16 relays and has a terminal strip with 48 screw terminals (3 strips
each having 16 terminals).
The IRC4 card contains 8 relays that can be combined as 4 DPDT or 8 SPDT and has a
terminal strip with 32 screw terminals (2 strips each having 16 terminals).
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