Omega Engineering CYD201 and CYD208 manual Model CYD208 Rear Panel Connections

OMEGA Model CYD201/CYD208 User’s Manual

5.2MODEL CYD208 REAR PANEL CONNECTIONS

Figure 5-2. Model CYD208 Rear Panel Connections

J1 INPUTS: Accepts 36-pin “D” style connector (208-MC) and multi-sensor adapters. Adapter sits on top of thermometer and accepts up to 8 temperature sensors. Adapter designed for either circular 4-pin (2084) or stripped wire (2081) sensors.

J2 SERIAL I/O: RJ-11 jack for serial remote communications to a host computer. May require accessories CYD200-J10 (RS-232C phone cord) and CYD200-D (RJ-11 to DB-25 adapter).

J3 ALARM: Relay responds to alarm setpoints and can trigger another device. Contact 1 is normally open, contact 2 is normally closed.

FIX switch: Switches alarm functions between monitoring all channels (position 0) or monitoring channel 1 only (position 1).

LATCH switch: When on (position 1), turns alarm on but not off (latched) as indicated by temperature change. When off (position 0), turns alarm off or on (unlatched).

SET switch: Used in setting alarm setpoints and recalibration.

CAL ENABLE (Calibration Enable) pushbutton: Used during A/D Converter Calibration. See Paragraph 5.7.2.

I ADJ (Current Adjust) trim potentiometer: Used during Current Source Calibration. See Paragraph 5.7.1.

5-2 Service