User's Manual

Page 79 of 194
4. Information on specific columns
The BL1 is a 3-part lifting column designed to be used for example in hospital beds,
nursing home beds, treatment chairs, couches and dental chairs.
The lifting column is compact and has a long stroke length. The 3-part guidance enables
an overlap between the individual profiles, which ensures a high degree of stability.
The lifting column has an open spindle actuator with a chain drive inside which is
practically noiseless.
Usage:
• Duty cycle: 10%, 2 minutes continuous use followed by 18 minutes
not in use
• Usage temperature: + 5 °C to + 40 °C
• Storage temperature: Max 50 °C
• Compatibility: CB6 OBL, CB6 OBF, CB16 and CB20
• Approvals: IEC60601-1, ANSI/AAMI ES60601-1,
CAN/CSA-22.2 No 60601-1
IEC 60601-1-6
IEC 60601-1-2
1. BL1 (MEDLINE
®
CARELINE
®
TECHLINE
®
)
Input/output specifications: dual Hall, digital positioning
Column with Dual Hall (BL141H) are equipped with two hall sensors, A and B and a spindle magnet. In this way you can have pulses from the
column when it moves.
The feedback system has a 8P magnet which gives 16 shifts in pulses per spindle turn.
Hall Output:
4 mm spindle = 0,25 mm per pulse and 400 pulses per 100 mm stroke.
9 mm spindle = 0,5625 mm per pulse and 178 pulses per 100 mm stroke.
Important:
The motor must always be short-circuited to obtain self-locking in accordance with the rated label value.