1 Technical Specifications
04.09.2016 Mk8 MM Expansion Features Installation and Set-Up Guide Page 3
1.3 Cable Specifications
High/ Control Voltage
Screened cable should not exceed 10m and unscreened cable should not exceed 1m. The ionisation/
flame rod cable must be shielded to prevent interference with other cables, as it is a high voltage and
high frequency signal.
Low Voltage
The screened cable used from the MM to the servomotors and detectors must conform to the following
The screened cable used for low voltage wiring from the MM to the servomotors, detectors and
variable speed drive must conform to the following specification:
16/0.2mm PVC insulated overall braid, screened, PVC sheathed.
Sixteen wires per core
Diameter of wires in each core 0.2mm
Rated at 440V AC rms at 1600Hz
DEF 61-12 current rating per core 2.5A
Maximum operating temperature 70
o
C (158
o
F)
Nominal conductor area 0.5sq mm per core
Nominal insulation radial thickness on core 0.45mm
Nominal conductor diameter per core 0.93mm
Nominal core resistance at 20
o
C. 40.1Ω/1000m
Nominal overall diameter per core 1.83mm
Fill factor of braid screen 0.7
Equivalent imperial conductor sizes 14/0.0076
Use the number of cores suitable for the application. A universal part numbering system appears to
have been adopted for this type of cable as follows:
16-2-2C 2 Core
16-2-3C 3 Core
16-2-4C 4 Core
16-2-6C 6 Core
(5 Core not readily available)
Note: If using 4 Core cable and interference is detected, use 2 sets of 2 Core.
Data Cable
Data cable must be used for connections between MMs for sequencing applications and between MMs
and EGAs and for connection between MMs and DTI
Types of data cable that can be used:
1 Beldon 9501 for 2-core shielded cable (1 twisted pair)
2 Beldon 9502 for 4-core shielded cable (2 twisted pairs)
3 STC OS1P24
Samples are available upon request. Low voltage and data cable can be ordered directly from
Autoflame Engineering, please contact Autoflame Sales.
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