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C4 Manual Rev 7.5.2
2.2 Rear Panel Connections
At the rear panel of the controller, a cable is provided to connect to the power,
cooling solenoid, mechanical refrigeration and heaters of the chamber. In
addition, a six lug screw terminal block (J1) is provided for eyelet terminal
connection of the temperature probes and for connection of one additional optional
device such as the Sigma PFS-2 Precision Fail Safe.
J1 TOP
ì
Probe 1 (Black lead)
í
Probe 2 (Black lead)
î
Chassis Ground (Probe shield)
(Chamber or platform ground, etc.)
ï
Probe 1 & 2 return (Red or White lead)
ð
Auxiliary device ground
ñ
12 VDC for Fail-Safe
Please observe all standard anti-static procedures when making connections to
these points!
There is also an IEEE-488 (GPIB) connector, series 57 (metric threads), and an
EIA-232 connector, female DB-25, for the remote modes of operation. Two TTL
outputs and one TTL input are also available on J6. (See Section 9.5)
