Amplifier Output Option - Parker 598P Applications Manual

The gate trigger output wiring is included for the 500Vac rms rated option, in the form of 3m long,
sleeved, twisted-pair cable assemblies, which plug into sockets on the Trigger Board assembly. The
sleeving is provided for both electrical and mechanical protection, and is rated at 600V.
The gate trigger output wiring is not included for the 690Vac rms rated option, the signals being made
available through 2-way terminal blocks on the Trigger Board assembly.
The terminal blocks should be tightened to a torque of 0.5Nm.
With this option, the wire used for the trigger connections must meet the following requirements:
Type
Size (each wire)
Twist Rate
Minimum Rated Voltage
Minimum Rated Temp.
Colouring
Secondary Outer Sleeving
Maximum Run Length
Wire Grouping
[Suitable example wires (before twisting) would be type 1856 (for 600Vac rms operation) or type
22007 (for 690Vac rms operation), and example sleeving would be PVC-105-6, all from Alpha Wire]
The applied secondary outer sleeving should extend to within 10mm of the terminal block, to assure
correct insulation of the trigger wires as they exit the trigger board assembly (see below).

2. Amplifier Output Option

Amplifier output option (product codes with 'AP' starting code block 3).
This option makes use of separate Firing Amplifier Board assemblies (supplied), which can be fitted
close to the external stack thyristors, thus simplifying the wiring safety considerations. These
amplifiers require a separate 24Vdc power supply, but provide a higher output current capability for
larger thyristor driving.
The wiring from the Amplifier Option Terminal Board to the separate Firing Amplifier Boards is low-
voltage control wiring, and should be routed/treated as such in the system design.
WARNING
System Safety and Interlocks
The application should be designed such that all failure modes have been considered and the overall
system design fails safe.
This includes, but is not limited to, the loss of armature voltage or speed feedback and armature
current feedback. The enable input and/or coast stop could be used as part of this strategy for the
necessary safety interlocks.
598P/599P Application Manual
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Twisted-Pair
16AWG – 20AWG (0.5mm
45 – 80 twists per metre
Refer to external stack system voltage
105°C
Twin coloured, for gate and cathode identification
Required for the length of passage from trigger board terminal
blocks to the wire exiting the 598P/599P External Stack Controller.
Rated for the external stack system voltage, and 105°C operation.
3m
Run trigger wires as a bundled group, where possible.
<10mm
2 2
– 1.5mm )
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