OMEGA Model CYD201/CYD208 User’s Manual
5-2 Service
5.2 MODEL 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.
