Minebea Intec PR 1626/60, Инструкция по эксплуатации инструмента

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8 Technical data
8.1 General data
The following characteristics are valid after a warm-up time of at least 30 minutes
(reference temperature: 23 ° C).
Type PR 1626/60
PR 1626/61
Order number 9405 316 26601
9405 316 26611
Accuracy 3000 e according to OIML class III in conjuncti-
on with Minebea Intec weighing instruments of
type PR 5410/..
Connection save area (black)
via 4 mm
2
terminal contacts
Connection for the Ex area (blue)
via 4 mm
2
terminal contacts
8.2 Supply voltage
Connection to protective earth
via the terminal (4 mm
2
)
(see also Chapter 2.4 and 5.2.1 )
Rated voltage SELV U
DC
= 24 V
Tolerance range U
DC
= 18…30 V
Rated voltage U
m_DC
= 30 V
Power consumption 3.8 W; 6.6 VA at 24 V
8.3 Interface to Ex area
All connections to the Ex
‑
area are made via the 15
‑
pin blue terminal.
Connected loads for the Ex-area and standards can be found in the EU Type Examination
Certificate in chapter
9.1 .
8.3.1 Load Cell Supply (Excitation)
PR 1626/60 PR 1626/61
Voltage U
DC
= ±6 V (nominal)/≤80 mA
symmetrically to ground
U
DC
= ±3.75 V (nominal)/≤92 mA
symmetrically to ground
Load cell input
impedance
>150
Ω
; this corresponds to e.g:
1× load cell with R
LC
= 350
Ω
4× load cell with R
LC
= 650
Ω
6× load cell with R
LC
= 1000
Ω
>80
Ω
; this corresponds to e.g:
4× load cell with R
LC
= 350
Ω
6× load cell with R
LC
= 650
Ω
8× load cell with R
LC
= 1000
Ω
Symmetry ≤24 mV ≤24 mV
Tolerance range U
DC
= ±5.5 V… ±6.3 V U
DC
= ±3.25 V… ±3.95 V
8 Technical data Intrinsically safe load Cell interfaces PR 1626/60, ../61
Minebea Intec EN-17