Operators manual, Gd30i, 8 interface and change of power – Watson-Marlow GD30I User Manual
Page 13

OPERATORS MANUAL
Machine Type:
GD30I
GD30I OM 1.01 EN
Ver 1.01
Date 24-08-2006
Page 13 of 15
8 INTERFACE AND CHANGE OF POWER
8.1 Interface
Fig. 8.1
(1) external 1: pin 1: Input for start signal.
+5 - 50 VDC, min. 100 msec. positive-edge-trigged.
pin 2: Output, +24 VDC, max. 500 mA.
pin
3:
Ground.
pin 4: Status output, max. +24 VDC, 100 mA.
Pin 4 is earthed via an open collector during filling.
Pin 5: Status output, max. +24VDC, 100 mA
Pin 5 is complementary to pin 4.
(2) external 2: pin 1: Input for disabling.
+5 to +50 VDC. If this pin is activated, the drive will be
disabled
(no
dispensing).
pin 2: Output, +24 VDC, max. 500 mA.
pin
3:
Ground.
pin 4: Status output, max. +24 VDC, 100 mA.
Pin 4 is grounded via an open collector during filling.
pin 5: Status output, max. + 24 VDC, 100 mA.
Pin 5 is complementary to pin 4.