Metrohm 753 Suppressor Module - Manual (Page 38)

5.1 Technical data
753 Suppressor Module / 8.753.1003 Instructions for Use
35
5 Appendix
5.1 Technical data
Pump
Pump type 2-channel peristaltic pump with rotational speed
of
20/min (50 Hz)
24/min (60 Hz)
Pump capacity typically 0.5 … 0.6 mL/min with
6.1826.050 pump tubing
Pressure max. 4 bar (0.4 MPa)
Pumpable liquids Clear liquids with no solid contents
Pump tubing material PVC (Tygon

)
Remote interface for pump
Purpose Remote control of pump (switching on/off)
Pin assignment
330
+5V
2
5
+
-
Pin
Remote interface for suppressor
Purpose Remote control of suppressor (rotating)
Pin assignment
Pin
1k
+5V
2
5
+
-
10k
0V
* A precondition for triggering a step is that the
current flows for at least 10 ms. In order that a
new step can be triggered no current must flow
for at least 10 ms before.
Current flows: on
Current does not flow: off
external 753
Current flows: Step
*
Current does not flow: –
external 753