Liquid Controls SP3850 - Manual (Page 60)

SP3850 Flow Computer
56
Sub-menus Display Notes
Pulse out test
Pulse out test
*0Hz 1Hz 10Hz 20Hz
Pulse out test
Relay Test
Rly1 Rly2 Rly3 Rly4
Off Off Off Off
Relay Test
Control inputs test
TB1-9 TB1-10 TB1-11
Off Off Off
Control inputs test
8.2.21
Pulse out test
Submenu Group
ENTER
MENU
Press Enter key to test the pulse output.
To simulate a frequency on the pulse output:
Connect a frequency counter to (+)TB1-13,
(-)TB1-14. Press the key under the desired
setting to move the asterisk (*). The unit
should output the selected frequency.
Press Menu key to return to Pulse out test
top-level menu.
Press Enter to test the relays.
To manually control the relay outputs: Press
the key under the desired relay to toggle the
relays On/Off. Use an ohmmeter to check the
relay contacts.
Press Menu key to return to Relay Test top-
level menu.
Press Enter to test the control inputs.
To check the control inputs: Use TB1-12 as
reference, input a positive 3-30 VDC signal to
TB1-9, TB1-10 and/or TB1-11, The Display
will show ON when input is active, OFF when
inactive.
Press Menu key to return to control input test
top-level menu.
ENTER
MENU
8.2.22
Relay test
Submenu Group
ENTER
MENU
8.2.23
Control input test
Submenu Group