Bio-Rad BioFrac™ Fraction Collector - Manual (Page 94)

B | Rear Panel Connector Information
86 | BioFrac Fraction Collector
15-Pin D Connector
Table 22. 15-Pin D connector input signals
Pin # Input Signals Type Active Wire Color* Description
1 ADVANCE Pulse Low Black Receives remote fraction
advance signals (100 ms
pulse). Active in
LP/Econo™ mode.
5 LISTEN FOR
REMOTE START Level Low Orange Connection of pin #5 and
#15 (signal Ground) tells
the fraction collector to
wait for a remote start
signal on pin #6. Active in
Local mode.
6 RUN/STOP Level Low Blue Grounding of pin #6 by the
start/stop relay starts the
currently programmed
method. Pins #6 and #15
should be connected to
the run/stop relay on the
controlling device. Active
in Local mode.
* BioFrac™ fraction collector accessory cable
All input and output pins, except the relay terminals, are TTL compatible. All input pins are with
10 k
 pull-up. The relay pins are used to control low-voltage DC contact-closure type devices,
such as 12 V, 10 mA.
Caution: Do not apply 110 VAC or 220 VAC directly to the relay terminal pins.