MKS MKSINST IE1000A, Instruction Manual

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Analog 15-pin Interface Operation Chapter Three: Operation
26
5. In selecting the appropriate type and wire size for cables, consider:

Voltage ratings.

Cumulative I
2
R heating of all the conductors (keep them safely cool).

IR drop of the conductors, so that adequate power or signal voltage gets to the device.

Some cables may need internal shielding from specific wires to others.
IE1000A 15-pin I/O User Supplied Cable Requirements
To ensure that the IE500A / IE1000A High Flow Rate Mass Flow Controller meets IP66 requirements a
unique sealed 15-pin DSUB connector is used. The IE500A / IE1000A has been tested with this IP66
compliant connector and has been shown to meet IP66 requirements as a standalone unit (gas inlet and outlet
fittings must be appropriately sealed).
In addition to the standard I/O requirements for an IE500A / IE1000A High Flow Rate Mass Flow Controller,
additional care must be taken to ensure IP66 integrity is maintained once installed. The mating connector and
cable must use a backshell that meets a minimum of an IP66 rating. There are several manufacturers of sealed
backshells for DSUB connectors and these can be readily ordered through most electronics distributors. Care
should be taken to follow all of the manufacturer’s assembly instructions.
Note
To be fully IP66 compliant, the I/O connector and cable must also meet IP66 requirments.
Analog I/O 15-pin Pinouts
Table 8: Analog I/O 15-pin DSUB Pinouts (Model Code B)
15-pin Analog Pin Descriptions
Pin Number Pin Function
Pin 1 Valve Test Point
Pin 2 Flow Output Signal, 0-5 V
DC
Pin 3 Valve Close Digital Input
Pull to ground to Close
Pin 4 Valve Open Digital Input
Pull to ground to Open
Pin 5 Power Common
Pin 6 No Connection
Pin 7 +15 to +24 V
DC
Power Input
Pin 8 Setpoint Input, 0-5 V
DC
Pin 9 Zero Function (Digital Input)
Pull momentarily to ground to initiate function
Pin 10 Optional Feedback Control Input Signal, 0-5 V
DC
Pin 11 Signal Common (Setpoint Input)
Pin 12 Signal Common (Flow Output)
Pin 13 No Connection
Pin 14 No Connection
Pin 15 Chassis Ground