Watson-Marlow MM440 - Manual (Page 154)

3 Functions Issue 10/06
MICROMASTER 440 Operating Instructions
154 6SE6400-5AW00-0BP0
Table 3-17 Thermal and electrical characteristics
Cable resistance (20°C) ≤ 40 Ω/κµ
Insulation resistance (20°C) ≥ 200 MΩ/km
Operating voltage (20°C) ≥ 300 V
Test voltage (20°C) ≥ 1500 V
Temperature range -40 °C ≤T ≥80 °C
Load capability ≥ 5 A
Capacitance ≤ 120 pF/m
Mechanical characteristics
¾
Single bending: ≤ 5 x outer diameter
¾ Repeated bending: ≤ 20 x outer diameter
Recommendations
¾
Standard cable, without any special requirements:
Two-core, flexible, shielded conductor in accordance with VDE 0812, with
colored PVC sheath. PVC insulation resistant to oil, resistant to cold and
petroleum products.
Type: LiYCY 2 x 0,5 mm2
e.g. Fa. Metrofunk Kabel-Union GmbH, www.metrofunk.de
Postfach 41 01 09, 12111 Berlin
¾ Halogen-free cable (no hydrochloric acid is generated when the cable burns):
Halogen-free, highly flexible, resistant to extreme heat and cold. Sheath
manufactured from a special ASS silicon-based composite.
Type: ASS 1 x 2 x 0,5 mm2
e.g. Fa. Metrofunk Kabel-Union GmbH, www.metrofunk.de
Postfach 41 01 09, 12111 Berlin
¾ Recommended if halogen-free and silicon-free cables are required:
Type: BETAflam 145 C-flex. 2x0,5 mm2
e.g. Fa. Studer-Kabel-AG, http://www.studer-kabel.ch/
Herrenmattstrasse 20, CH 4658 Däniken
The total cable length of the USS connection may not exceed 50 m (max. cable
length).
The max. data transfer rate depends on the number of connected nodes (devices)
as well as on the closed-loop control technique / function selection (processor
utilization). Nominal values can be taken from the following table:
Table 3-18 Max. number of nodes (devices) depending on the max. data transfer rate
Max. data transfer rate Max. number of nodes (devices)
V/f control Closed-loop vector control
9.6 kbit/s 32 32
19.2 kbit/s 32 32
38.4 kbit/s 32 7
93.7 kbit/s 32 -
115.2 kbit/s 32 -