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Morrison Bros. Co. ‑ Dubuque, IA ‑ 800‑553‑4840
918AC‑0160 PP
Rev. 09-27-2022
Figure 4 - Latching Mode Relay Output Configuration
1. Locate the four position, Latch Modes switch, SW 3, on the expansion board mezzanine (see Figure 4).
2. Use DIP switch Positions One and Two to set the Latching Mode for the channel 1 relay output
a. To disable the channel 1 relay output latching mode place DIP switch Positions One and Two in the
“OFF” position.
b. To enable the channel 1 relay output latching mode and configure the channel 2 input as the reset
condition place DIP switch Position One in the “ON” position and Position Two in the “OFF” position.
c. To enable the channel 1 relay output latching mode and configure the channel 3 input as the reset
condition place DIP switch Position One in the “OFF” position and Position Two in the “ON” position.
d. To enable the channel 1 relay output latching mode and configure the channel 4 input as the reset
condition place DIP switch Position One and Two the “ON” positions.
3. Use DIP switch Positions Three and Four to set the Latching Mode for the channel 2 relay output
a. To disable the channel 2 relay output latching mode place DIP switch Positions Three and Four in the
“OFF” position.
b. To enable the channel 2 relay output latching mode and configure the channel 1 input as the reset
condition place DIP switch Position Three in the “ON” position and Position Four in the “OFF” position.
c. To enable the channel 2 relay output latching mode and configure the channel 3 input as the reset
condition place DIP switch Position Three in the “OFF” position and Position Four in the “ON” position.
d. To enable the channel 2 relay output latching mode and configure the channel 4 input as the reset
condition place DIP switch Position Three and Four in the “ON” positions.
4. Locate the reset push button on the expansion board mezzanine.
5. Press and release the reset push button to complete the configuration of the Non-Persist relay output settings.
