Chapter 2 – Description
D28065504A - 02/2007 55
2.8.4. ELECTRIC CIRCUIT
Plate attached to base
Elbow
Description (figure 2.17): Arm - Rear cable outlet
Description (figure 2.18): Arm - Vertical cable outlet
The electrical circuit consists of:
• A male 8-contact socket at the bottom of the arm.
• A female 8-contact socket on the forearm.
These 8 contacts include 3 power contacts and 5 signal contacts.
The 3 power contacts in each socket are connected by a 3-wire conductor with cross-section AWG20
(contacts 2-4-5).
The 5 signal contacts in each socket are connected in the following way:
•2 shielded twisted pairs, cross-section AWG20 connecting contacts 1-6-8 and 3-7-8 in each socket.
Supply voltage: 60 VDC - 25 VAC.
Permissible current:
• 3-wire conductor AWG20: 4A per contact.
•AWG24 screened pairs: 2A per contact.
• Connection to elbow (J1203) by elbow male cylindrical connector.
• Connection to base (J1202) by straight female cylindrical connector.
CAUTION:
Do not use the shields as a conductive cable.
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