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OMEGA Model CYD201/CYD208 User's Manual
5.7.2
A/D Converter Calibration
NOTE: Current source calibration must be performed before A/D converter
calibration.
1. Allow 30 minute warm-up to achieve rated specifications.
2. Perform current source calibration.
3. Configure 125 k
channel 1.
4. Wait 10 seconds for resistor voltage to settle.
5. Press CAL ENABLE, then within 2 seconds press UNITS. The display
window shows "-CAL-" for approximately 15 seconds.
6. Repeat procedure with 25 k
7. For Model CYD208, repeat procedure for other 7 channels. See
Figure 2-2 for pin assignments.
5.8
SERIAL INTERFACE CABLE AND ADAPTERS
Figure 5-5. Model CYD200-J10 RJ-11 Cable Assembly Wiring Details
DB-25 CONNECTOR
Figure 5-6. Model CYD200-D RJ-11 to DB-25 Adapter Wiring Details
5-6
resistor as shown in Figure 5-4. Set Model 208s to
TxD
Gnd
Gnd
RxD
13
12
11
10
9
25
24
23
22
21
= NOT
USED
resistor.
YELLOW
GREEN
RED
BLACK
8
7
6
5
4
20
19
18
17
RxD
Gnd
TxD
1
2
3
4
5
6
3
2
1
16
15
14
RJ-11
RECEPTACLE
Service
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