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7835
Hydrazine Monitor
4.2 Transmitter Unit – Access to Terminals
Warning. Isolate the transmitter from power supplies
before removing the cover.
Referring to Fig. 4.2:
A
1. Unlock the door
and open fully.
2. Remove all 4 screws
C
plate
.
B
C
Fig. 4.2 Transmitter Unit Access to Terminals
*Refer to Fig.
Fig. 4.3 Transmitter Unit Cable Gland Entries and Electrical Connections
IM/7835–EN Rev. P
B
and remove the terminal cover
A
SCRN
BLACK
ALARM 2
WHITE
N/O
GREEN
C
RED
N/C
ALARM 1
I OUT 2+
N/O
I OUT 2–
C
N/C
I OUT 1+
I OUT 1–
CAL FAIL
CAL
RANGE 2*
INDICATOR
RANGE 1*
4.4
10
, page
for details of resistor networks for remote range indication
4.3 Transmitter Unit –
Cable Gland Entries and Connections
1. Cut the cable from the sensor unit to a suitable length to
reach the transmitter for termination on transmitter
terminal blocks.
2. Push the end of the cable through one of the supplied
glands in the gland plate.
3. Prepare the cable end and attach it to the terminal block.
Individual terminal blocks can be unplugged from the
terminal board pins if required.
4. Pass the remaining cables through the glands. Prepare
the cable ends and attach them to the terminal blocks as
shown in Fig. 4.3.
Make earth (ground) connections to the stud terminal on the
bottom of the transmitter unit.
Cable Gland Entries
E
N
L
4 Electrical Installation
9
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