Inside the Type 146 Unit
Chapter Three: Overview
70
The male connector carries open, close, manual, and set point recipe select digital control lines.
It also carries the analog set point input. Table 25, page 70, lists the pinout of this connector.
Table 28, page 71, lists MKS flow controllers that interface to the 146 unit.
Control Interface (Bottom) Connector Pinout
Pin Number
Assignment
1
Analog Set Point + (signal)
2
Set Point B
3
Set Point C
4
Set Point D
5
Digital Ground
6
Analog Set Point - (return)
7
Open
8
Manual
9
Close
Table 25: Control Interface (Bottom) Connector Pinout
Control Board Pin Jumpers
Jumper Pack
Voltage/Current
Jumpered For. . .
JP1
200 mA
154 valve
JP2
reserved
JP3
140 mA
148, 153, and 248 valves
JP4
26 Volts
154 valve
JP5
14 Volts
148, 153, and 248 valves
Table 26: Control Board Pin Jumpers
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