Sigma C4 manual Rear Panel Connections, J1 TOP

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

í

î

ï

ð

ñ

Probe 1 (Black lead)

Probe 2 (Black lead)

Chassis Ground (Probe shield) (Chamber or platform ground, etc.)

Probe 1 & 2 return (Red or White lead)

Auxiliary device ground

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)

22 C4 Manual Rev 7.5.2