Copyright 2008 Baker Hughes Company.
English–PACE5000/6000 Instruction Manual | 77
Volts-free Contact Option
6.17 Volts-free Contact Option
The Volts-free Contact option provides a selectable output of voltage or current.
6.18 Burst Pressure Testing Option
The PACE instrument, burst test task can be used to test sudden rupture devices, such as a
bursting disc device. This is process is achieved by a predefined test where the user enters
pressure values below and above the expected burst disc rupture pressure and slew rates to that
speed the test and allow for accurate capture of the burst disc rupture pressure. The test
Table 6-11: Pin Number and Function
Pin Number Function Pin Number Function
1 Relay 1 normally CLOSED 9 Relay 3 common
2 Relay 1 normally OPEN 10 0V return
3 Relay 1 common 11 +24 V dc output, 100 mA max
4 Relay 2 normally CLOSED 12 Switch Input 1
5 Relay 2 normally OPEN 13 Switch Input 2
6 Relay 2 common 14 (not used)
7 Relay 3 normally CLOSED 15 (not used)
8 Relay 3 normally OPEN
Each selection has
three Volts-free
Contacts.
Selection of trigger
conditions.
Selection of trigger
conditions.
volts-free connections
30V maximum with respect to
chassis.
Rated output = 24V
30V
max
To maintain PACE product safety, external circuits
connected to the instrument must meet Safety
Extra-Low Voltage (SELV) requirements.
0V
+V
event
trigger
24 Vdc maximum
30 Vdc wrt chassis
1 A resistive maximum
Typical Volts-free
schematic
Relay contacts rated at 30 Vdc, 1 A resistive,
200 mA inductive.
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