MKS Granville-Phillips Mini-Convectron 275 series, Инструкция по эксплуатации

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Chapter 1
16
Mini-Convectron Module with RS-485
Instruction Manual - 275545
1.2 Using this Manual
This manual contains information on installation, operation, and
trouble-shooting the Mini-Convectron module with RS-485
communications and dual process control relays. Following the instructions
contained in the manual will ensure that this device will operate to
specifications.
Within this manual:
• The term “module” refers to the entire Mini-Convectron module.
• The term “gauge” refers to the replaceable Convectron gauge.
Table 1-1 Specifications for the Mini-Convectron Module
Function Description
Measuring range for N
2
• 1 x 0
-4
to 1000 Torr
Operation in the range of 1x10
–4
to 1x10
-3
Torr will require periodic
verification of the zero by reducing system pressure to below
1 x 10
–5
Torr
• 1 x 10
–4
to 1.300 mBar
• 1.0
–2
to 130 KP
a
Ambient operating temperature range +4 to +40 °C
Bakeout temperature range (non-operating) 85 °C max.
IP Rating IP20
Digital interface RS–485, (2 wire)
Baud rate 300, 1200, 2400, 4800, 9600, 19200 (default), 38400
Data format 7 bits, even parity, 1 stop bit or 7 bits, odd parity, 1 stop bit or 8 bits,
no parity, 1 stop bit.
Power required • +11 Vdc to 26.5 Vdc at 0.12 A
• Protected against reversals, transients or over-voltages
• 2 watts maximum
Gauge tube internal volume 40 cc (2.5 cu in.)
Sensor wire Gold plated tungsten
Setpoints (two) • Single pole, double throw relay, silver alloy - gold clad contacts
• UL rating: 1 A at 30 Vdc
Setpoint factory default Disabled - set at 999 Torr
Connector Input power, computer interface, and setpoints - 15 pin D male
Package • Aluminum extrusion design with aluminum end plates
• 4.5” long x 1.7” wide x 2.5” high plus gauge port and fitting