Bio-Rad BioFrac™ Fraction Collector - Manual (Page 97)

3-Pin Combicon Connector
User Guide | 89
3-Pin Combicon Connector
5 PEN UP/DOWN Level Low Brown Chart recorder control,
pen up/down. Active in
Local mode.
6, 7 ADS TERMINAL Level Low Purple blue Event marks for Method
Start and Fraction
Advance by way of a
relay. Pins #6 and #7 are
closed for 200 ms with
each fraction advance.
Active in Local mode.
8 SIGNAL GROUND Green Signal ground.
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.
Table 25. 8-Pin mini DIN connector output signals, continued.
Pin # Output Signals Type Active Wire Color Description
Table 26. 3-Pin Combicon connector
Pin # Input Signals Type Active Description
1 ANALOG
GROUND Common UV monitor input: analog ground
2 ANALOG IN(–) Input UV monitor input 100 mV and 1 V (–)
3 ANALOG IN(+) Input UV monitor input 100 mV and 1 V (+)