Granville-Phillips Micro-Ion 354 E Series, Инструкция по эксплуатации, Страница: 15 / 54

Installation
Micro-Ion E Module Instruction Manual 354011, Rev. A
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Wiring for RS–232
Module
• If the module has an RS–232 output, see Figure 2-3.
• Table 2-2 lists pin designations for the 9-pin subminiature D connector.
Figure 2-3 Wiring Terminals for Micro-Ion E Module with RS–232 Output
Grounding
Table 2-2 Wiring Pin Designations for RS–232 Module
Pin designation Function Pin number
Chassis ground Ground connection for module chassis 1
RS–232 TDX • Pins 2, 3, and 5 enable RS–232 digital communication
• Pins, 2, 3, and 5 connect to computer communication port 2
RS–232 RDX 3
RS–232 common 5
Not used Reserved 4
Not used Reserved 6
Not used Reserved 7
24 Vdc power supply input (+) Positive connection for 24 Vdc power supply 8
24 Vdc power supply ground (–) Negative connection for 24 Vdc power supply 9
RS–232 common
Not used
RS–232 RDX
RS–232 TDX
Chassis ground
24 Vdcpower ground (–)
24 Vdcpower input (+)
Not used
Not used
Male pins
Improper grounding could cause severe product failure
or personal injury.
Follow ground network requirements for the facility.
• Maintain all exposed conductors at earth ground.
• Ground the module housing to the vacuum chamber as
illustrated below.
• Make sure the vacuum port to which the module is mounted
is properly grounded.