20
Order Code
402 –
2. Version / Power supply
Standard / 24 … 60 V DC/AC
1
Standard / 85 … 230 V DC/AC
2
[EEx ia] IIC / 24 … 60 V DC/AC
Input circuit intrinsically safe
3
[EEx ia] IIC/85 … 110 V DC, 85 … 230 V AC
Input circuit intrinsically safe
4
3. Measuring input
0 … 20 mA / 0 … 10 V,
zero point changeable
0
Non-standard
……[V]
[V] 0…0.06 to 0…
≤
40 V,
(Ex max. 30 V)
,
also live zero, initial value > 0 to
≤
50% of
end value
[V] – 0.06…+ 0.06 to – 40…+ 40 V,
(Ex max.
– 30…+ 30)
, also bipolar asymmetric
9
Non-standard
……[mA]
[mA] 0…0.1 to 0…50 mA, also live zero,
initial value > 0 to
≤
50% of end value
[mA] – 0.1…+ 0.1 to – 50…+ 50 mA,
also bipolar asymmetric
Z
4. Trip point / contact outputs
2 trip point,
1 changeover contact per trip point
2
5. Trip point 1, type, hysteresis
Low alarm, hysteresis 1%
1
Low alarm, hysteresis
……[%]
[%] > 1.0 to 10
2
High alarm, hysteresis 1%
3
High alarm, hysteresis
……[%]
[%] > 1.0 to 10
4
6. Trip point 1,
energizing/deenergizing delay
Energizing/deenergizing 0.2 s
1
Energizing/deenergizing
……[s]
switching delay [s] 0.10 to 10
2
Energizing 0.2 s/deenergizing
……[s]
switching delay [s] 0.10 to 10
3
Deenergizing 0.2 s/energizing
……[s]
switching delay [s] 0.10 to 10
4
Order Code
402 –
7. Trip point 1, sense of action
Relay energized: alarm condition /
LED lit-up: alarm condition
1
Relay energized: alarm condition /
LED lit-up: safe condition
2
Relay energized: safe condition /
LED lit-up: alarm condition
3
Relay energized: safe condition /
LED lit-up: safe condition
4
8. Trip point 2, type, hysteresis
Low alarm, hysteresis 1%
1
Low alarm, hysteresis
……[%]
[%] > 1.0 to 10
2
High alarm, hysteresis 1%
3
High alarm, hysteresis
……[%]
[%] > 1.0 to 10
4
9. Trip point 2,
energizing/deenergizing delay
Energizing/deenergizing 0.2 s
1
Energizing/deenergizing
……[s]
Switching delay [s] 0.10 to 10
2
Energizing 0.2 s/deenergizing
……[s]
Switching delay [s] 0.10 to 10
3
Deenergizing 0.2 s/energizing
……[s]
Switching delay [s] 0.10 to 10
4
10. Trip point 2, sense of action
Relay energized: alarm condition /
LED lit-up: alarm condition
1
Relay energized: alarm condition /
LED lit-up: safe condition
2
Relay energized: safe condition /
LED lit-up: alarm condition
3
Relay energized: safe condition /
LED lit-up: safe condition
4
6. Explosion protection
II (1) G
Table 4: Data on explosion protection
Order
Code
Type of
protection
Input
Output
Type examination certificate
Mounting
location
402-1...
[EEx ia] IIC
U
o
= 6 V
I
o
= 63 µA
L
i
= 20 µH
C
i
= 20 nF
only for connection to
certified intrinsically safe
circuits with following
maximum values:
U
o
= 30 V
U
m
= 253 V AC
resp.
125 V DC
PTB 97 ATEX 2192
Outside
the
hazardous
area