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14. Return to a previous level of the menu by pushing ESC.
15. Re-enter the menu using the DOWN or UP key.
16. Check the Temp Setpoint has changed to 30°C (86°F).
17. When all is done, push END.
Note: Reset the Temp Setpoint to 35°C (95°F), the default value.
7.2.8 Verifying the Analog Output (Optional)
Table 5-7 lists the values of the electrical current that should be generated for each
operation mode.
1.
Connect a suitable dc digital ammeter with a 1% accuracy and a 0.01 mA
resolution to the terminal screws 7 (+) and 8 (-) of the Supervisory Link and Analog
Output Termination Board (see item 9 in Figure 3-4 ). Refer to Table D - 6 in
Appendix D for connection details.
2.
Access the top of the extended menu by pushing ENTER twice (History appears).
Note: Once accessed, the extended menu times out after 30 minutes of keypad
inactivity.
3.
Push DOWN six times until Relays/Analog appears.
4.
Access this menu by pushing ENTER.
5.
Push DOWN three times until Analog out appears.
6.
Read the analog output state by pushing ENTER. The value should be close to
0%.
7.
Push DOWN to access Analog Out Mode. The value should be Normal.
8.
Modify the Analog Out Mode by pushing CHANGE.
9.
When asked to enter the password #1 (1253), use the UP and ENTER keys.
10. Push DOWN three times and ENTER to force the output to 0%.
11. Allow about one minute for the output to stabilize.
12. Verify the ammeter reads 4.00 ± 0.10 mA.
13. Push CHANGE, UP and ENTER to force the output to 50%.
14. Allow about one minute for the output to stabilize.
15. Verify the ammeter reads 12.00 ± 0.20 mA.
16. Push CHANGE, UP and ENTER to force the output to 100%.
17. Allow about one minute for the output to stabilize.
18. Verify the ammeter reads 20.00 ± 0.40 mA.
19. Push CHANGE, UP and ENTER to return the output to Normal.
20. When all is done, push END.
21. Disconnect the ammeter.
7.2.9 Verifying the USB Communication (Optional)
This procedure requires the use of the Hydran Host software. Please refer to the Hydran
Host Software Manual.
Page 104
Hydran* 201i Instruction Manual
MA-033
Rev. 14.0, 12-Nov-18
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