Analog Output Module Installation; Enclosure Reassembly; Board Removal - Rice Lake Revolution SURVIVOR 420HE Installation Manual

Pin
1
2
3
4
Table 1-4. Analog Output Module Pin Assignment
1.4

Analog Output Module Installation

To install or replace the analog output module (PN
85659), follow the steps listed in Section 1.2 on page 6
for opening the 420 Plus enclosure.
Mount the analog output module on its standoffs in the
location shown in Figure 1-3 7 and plug the module
input into connector J9 on the 420 Plus board. Connect
output cable to the analog output module as shown in
Table 1-4, then reassemble the enclosure (Section 1.5).
See Figure 1.8 on page 46 for analog output calibration
procedures.
1.5

Enclosure Reassembly

Once cabling is complete, close front cover and hook
draw latches. See Figure 1-4 below.
420 Plus
Figure 1-4. Draw Latches and NTEP Seal
Signal
+ Current Out
– Current Out
+ Voltage Out
– Voltage Out
Top of
Indicator
Draw
Latches
NTEP
Approved
Seal
1.6

Board Removal

If you must remove the 420 Plus 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 420 Plus 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 1-3 7 for connector locations.
5. Remove the five screws from the CPU board,
then lift the board out of the enclosure.
To r ep la ce th e CPU boa r d, r e ve rs e t he a bov e
procedure. Be sure to reinstall cable ties to secure all
cables inside the indicator enclosure.
9