B Cabling Diagrams and Remote Start/Stop
Installation and First Startup 61
APG Remote connector
APG Remote signal descriptions
Prepare (Low True) Request to prepare for analysis. Receiver is any module performing
pre-analysis activities. For example, shorting pin 2 to ground will put the GC into
Prep Run
state. This is useful for Splitless Mode to prepare the inlet for injection or when using
Gas
Saver
. This function is not needed by Agilent autosampler systems.
Ready (High True) If the Ready line is high (> 2.2 VDC) then the system is ready for next
analysis. Receiver is any sequence controller.
Start (Low True) Request to start run/timetable. Receiver is any module performing
runtime-controlled activities. The 8860 Series GC requires a pulse duration of at least
500 micro-seconds to sense a start from an external device.
Start Relay (Contact Closure) A 120 millisecond contact closure used as an isolated output to
start another device that is not compatible or connected with APG Remote pin 3.
Stop (Low True) Request to reach system ready state as soon as possible (for example, stop
run, abort or finish, and stop injection). Receiver is any module performing runtime-controlled
activities. Normally this line is not connected, if the GC oven program is used to control the
method
Stop time.
Pin Function Logic
1 Digital ground
2Prepare LOW true
3 Start LOW true (output)
4Start relay
5Start relay
6Not used
7 Ready HIGH true (output)
8Stop LOW true
9Not used
1
5
6
9
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