Hontzsch flowtherm Ex, Operating Instructions Manual

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www.hoentzsch.com U426_flowtherm Ex_B_e_171206
8.3 Technical Data
Explosion protection: The handheld unit flowtherm Ex is for use in explosive atmospheres requiring
EPL (Equipment Protective Level) Gb (zone 1). All circuits are intrinsically safe with
type of protection „ib“.
Marking:
X
II 2G Ex ib IIC T4 Gb
8.3.1 Elektrical Data
Connectable sensor types to the 12-pin interface:
-
Analog input 0 – 10 V
- Analog input 4 - 20 mA
Safety-relevant maximum values for connection to the 5-pin interface:
TA10 (Pin 1,2,3,4,5)
U
0
 7.2 V, I
0
 100 mA, P
0
 100 mW, L
ext
 100 µH, C
ext
 10 µF
Safety-relevant maximum values for connection to the 8-pin interface:
VA40 (Pin 1, 2, 8)
U
0
 8.7 V, I
0
 35 mA, P
0
 224 mW, L
ext
 100 µH, C
ext
 2.9 µF
FA (47k) (Pin 1, 2)
U
0
 7.2 V, I
0
 2 mA, P
0
 3 mW, L
ext
 100 µH, C
ext
 10 µF
FAR (47k) (Pin 1, 2, 7)
U
0
 7.2 V, I
0
 3 mA, P
0
 6 mW, L
ext.
 100 µH, C
ext.
 10 µF
FA (HNV) (Pin 1, 2, 8)
U
0
 8.7 V, I
0
 35 mA, P
0
 224 mW, L
ext.
 100 µH, C
ext.
 2.9 µF
FAR (HNV-2) (Pin 1, 2, 7, 8)
U
0
 8.7 V, I
0
 35 mA, P
0
 224 mW, L
ext.
 100 µH, C
ext.
 2.9 µF
PT100 (2-wire, 3-wire, 4-wire variant) (Pin 3, 4, 5, 6)
U
0
 6.51 V, I
0
 22 mA, P
0
 35 mW, L
ext.
 100 µH, C
ext.
 10 µF
Safety-relevant maximum values for connection to the 12-pin interface:
Analog input 0 – 10 V (Pin 1, 2, 5, 7, 8, 10)
U
0
 13.7 V, I
0
 37 mA, P
0
 490 mW, L
ext
 100 µH, C
ext
 0.63 µF
Analog input 4 – 20 mA (Pin 1, 2, 5, 6, 8, 10)
U
0
 13.7 V, I
0
 40 mA, P
0
 490 mW, L
ext
 100 µH, C
ext
 0.38 µF
Analog input I²C-bus (Pin 1, 2, 5, 8, 10, 11, 12)
U
0
 13.7 V, I
0
 67 mA, P
0
 590 mW, L
ext.
 100 µH, C
ext.
 0.68 µF