Hach-Lange SI792 P, SI792x P, SI792x P-FF, SI792x P-PA User Manual - Manual (Page 10)

Specifications
8
Profibus-PA (DPV1)
Bus-powered device with constant
current consumption. Cyclic and acyclic
data exchange. Physical block,
2 analog input function blocks,
2 discrete input blocks, logbook block,
alarm block.
PNO directive: PROFIBUS-PA,
Profile for Process Control Devices,
Version 3.0
Physical interface: MBP-IS
(Manchester Bus Powered–Intrinsically
Safe) to IEC 1158-2 (DIN-EN 61158-2)
Connection: via segment coupler to
SPC, PC, PCS
Address range: 1 to 126
Temperature input
Probe
Pt100/PT1000/NTC 300
Ω (selectable),
2-wire connection
Range, Pt100/Pt1000
si792 P; si792x P; si792x P-FF:
–20.0 to 200.0 °C (–4 to 392 °F)
si79
2x P-PA:
–20.0 to 150.0 °C (–4 to 302 °F)
Range, NTC 300
Ω
–20.0 to 110.0 °C (–4 to 230 °F)
Resolution 0.1 °C; 0.1 °F
Measurement error
1,2
<0.5 K
(<1 K for Pt100; <1 K for NTC >100 °C)
Temperature compensation of sample
Linear –19.99 to 19.99%/K
(25 °C reference temperature)
pH/ORP inputs
pH/ORP
Input for Combination or Differential
pH/ORP Sensors
Glass/reference electrode input
IEC 746 Part 1, at nominal operating
conditions
Input resistance—glass electrode >0.5 x 10
12 Ω