Rice Lake SURVIVOR 420HE Hostile Environment - Installation Manual - Manual (Page 13)

Pin Signal
1 + Current Out
2 – Current Out
3 + Voltage Out
4 – Voltage Out
420HE Installation Manual - Installation 9
Table 2-4. Analog Output Module Pin Assignment
2.4 Analog Output Module Installation
To install or replace the analog output module (PN
85659), follow the steps listed in Section 2.2 on page 6
for opening the
420HE enclosure.
Mount the analog output module on its standoffs in the
location shown in Figure 2-3 7 and plug the module
input into connector J9 on the
420HE board. Connect
output cable to the analog output module as shown in
Table 2-4, then reassemble the enclosure (Section 2.5).
See Figure 7.8 46 for analog output calibration
procedures.
2.5 Enclosure Reassembly
Once cabling is complete, close front cover and hook
draw latches. See Figure 2-4
D r a w
Latches
N T E P
Approved Seal
Top of
Indicator
below.
Figure 2-4. 420HE Draw Latches and NTEP Seal
2.6 Board Removal
If you must remove the 420HE CPU board, use the
following procedure:
1. Disconnect power to the indicator.
2. Open indicator using draw latches.
3. Disconnect power supply cable from connector
J7 on the 420HE CPU board.
4. Unplug connectors J1 (load cell cable), J2
(digital inputs), J3 (EDP/RS-232), J4 (serial
communications), J6 (digital outputs), HE_J2
(display) and J10 & J11 (keypad ribbon
cables). If an analog output board is installed,
disconnect the analog output cable. See
Figure 2-3 7 for connector locations.
5. Remove the five screws from the CPU board,
then lift the board out of the enclosure.
To r e p l a c e t h e C P U b o a r d , r e v e r s e t h e a b o v e
procedure. Be sure to reinstall cable ties to secure all
cables inside the indicator enclosure.