Watson-Marlow PF6 - Manual (Page 28)

INSTRUCTION HANDBOOK
PF6
PF6 IH EN 74-105-022 v1.04.doc Version: 1.04 Page 28 of 30
10 Interface and change of voltage
10.1 PF6 interface; External GO
"External GO" is designed as a 5-pin DIN plug with the following PIN configuration:
PIN 1:
INPUT FOR START SIGNAL
+5 - 50 VDC, min. 100 msec. positive-edge-trigged.
PIN 2: OUTPUT, +24 VDC, MAX. 250 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. +24VDC, 100 mA Pin 5 is complementary to pin 4.
10.2 PF6 interface; RS-232
RS-232 has a 9-pin SUB-D plug:
PIN 1: No connection
PIN 2: Receive data
PIN 3: Transmit data
PIN 4: +12 VDC (at 1 kOhm)
PIN 5: Ground
PIN 6: No connection
PIN 7: Request to send
PIN 8: Clear to send
PIN 9: No connection