your particular situation. Perform all of the procedures (from Section 7.2.4.1 below to
Section 7.2.4.6).
To verify the relays using the alarm contacts, connect an ohmmeter to the Alarm
Contacts 9-Terminal Block (item 12 in Figure 3-5). To identify each terminal, see Table D -
2.
7.2.4.1 Gas High Alarm
1. 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.
2. Access the submenu H201Ti Vx.xx; Relays/Analog.
3. Access the submenu Relays/Analog; GasH Relay.
4. Access this relay by pushing ENTER (the state of the relay is now displayed).
5. Set this relay’s parameter RelayMode to Force ON.
6. When asked to enter the password #1 (1253), use the UP and ENTER keys.
7. Ensure:
• The High alarm state LED H (item 27 in Figure 3-7) is lit.
• The NO contact of the High alarm is closed.
• The NC contact of the High alarm is open.
• The state of the other contacts and state LED’s has not changed.
• If connected, the supervisory control and data acquisition (SCADA) system has
detected the alarm.
Note: The relay contacts can also be verified using an ohmmeter. Refer to Table D - 2
for the terminal block wiring.
7.2.4.2 Gas High-High Alarm
1. Access the submenu Relays/Analog;GasHH Relay.
2. Access this relay by pushing ENTER (the state of the relay is now displayed).
3. Set this relay’s parameter RelayMode to Force ON.
4. Ensure:
• The High-High alarm state LED HH (item 26 in Figure 3-7) is lit.
• The NO contact of the High-High alarm is closed.
• The NC contact of the High-High alarm is open.
• The state of the other contacts and state LED’s has not changed.
• If connected, the SCADA system has detected the alarm.
7.2.4.3 Fail Alarm
1. Access the submenu Relays/Analog;SysOK Relay.
2. Access this relay by pushing ENTER (the state of the relay is now displayed).
3. Set this relay’s parameter RelayMode to Force OFF.
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