Unigas G258A, Manual Of Installation - Use - Maintenance

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5
Set up for pressure transmitter 2 wires signal 4÷20mA
With pressure transmitters first we need to enable their power supply: remove the part as shown below, then,
on the CPU unit, move the bridge from Pt100 to +Vt
Verify wiring of the sensor
Impostazione set-point
Transmitter
1,6bar 3bar 10bar 16bar 25bar 40bar
Set-point 1bar 1,5bar 6bar 6bar 6bar 6bar
To modify it directly use "up" and "down" arrows.
By pushing
F
you go to parameter:
Transmitter
1,6bar 3bar 10bar 16bar 25bar 40bar
Hy.P 0,2bar 0,5bar 0,5bar 0,8bar 1,25bar 2bar
Hy.n 0bar 0bar 0bar 0bar 0bar 0bar
Keep pushing
F
until you see
PASS
, release
F
and through the arrows set
99
, push
F
and visualize
Pro
(protection code) default is
12
, through the arrows set
128
and push
F,
keep it pushed until all parameters
InF
,
CFG
,
InP
,
Out
,
PASS
are visualized.
CFG
S.tun 0
hPb 5
hIt 1,33
hdt 0,33
…
IN/OUT cards
Signal selection on
terminal 3