KROHNE OPTISOUND 3010C 2wire EN - Manual (Page 41)

Permissible residual ripple
- <100 Hz
U
ss
<1 V
- 100 Hz … 10 kHz U
ss
<10 mV
Load see diagram
1000
750
500
250
14 18 16 20 22 24 26 28 30 32 34 36
Ω
V
4
1
2
3
Fig. 26: Voltage diagram
1 HART load
2 Voltage limit EEx ia instrument
3 Voltage limit non-Ex instrument
4 Supply voltage
Electrical protective measures
Protection
- Plastic housing
IP 66/IP 67
- Alu and stainless steel housing IP 66/IP 68 (0.2 bar) 5)
Overvoltage category III
Protection class II
Approvals 6)7)
ATEX ATEX II 1G, 1/2G, 2G EEx ia IIC T6
5) Requirement to maintain the protection is the suitable cable.
6) Deviating data with Ex applications: see separate safety instructions.
7) Depending on order specification.
OPTISOUND 3010 C - 4 … 20 mA/HART 41
Supplement
30503
-EN
-050914