7 input and output details, 1 relays, Section 3.7 on – INFICON XTM/2 Thin Film Deposition Monitor User Manual

Page 66

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XTM/2 Operating Manual

3.7 Input and Output Details

3.7.1 Relays

WARNING

The relay, relay circuit, and associated pins in the I/O
connector(s) have a maximum voltage rating of
30 V(dc) or 30 V(ac) RMS or 42 V(peak). The maximum
current rating per connector pin or relay contact is
2.5 Amps.

Their function is as follows:

Table 3-3 System I/O Connector

Pin #

Function*

Closed Contacts

Open Contacts

Relay #

1,2

Source Shutter

During "Shutter Open"
State.

Balance

1

3,4

Thickness
Setpoin
t

When SPT
THICKNESS is
exceeded.

Balance

2

5,6

Timer Setpoint

When SPT TIMER is
exceeded.

Balance

3

7,8

Crystal Fail

When crystal fails to
oscillate.

Balance

4

Function may be overwritten by Remote Communications Commands "R6 - R9", see

section 3.8.5 on page 3-22

.

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