Endress+Hauser Digital Recorder eco-graph c Betriebsanleitung Seite 129

Digital Recorder
10.2.3 Relay outputs (option)
Number: 2 cards each with 6 additional relays
NO contact, 230 V AC / 3 A for limit value messages; can be configured by operating
as NC contact.
Mixing SELV circuits and mains circuits is not permitted.
10.3 Power supply / terminal diagram
10.3.1 Electrical connection (wiring diagram)
(See chapter 4)
10.3.2 Supply voltage
Low voltage: 115 to 230 V
Extra-low voltage: 24 to 48 V
10.3.3 Frequency
Low voltage: 48 to 63 Hz
Extra-low voltage: 0/48 to 63 Hz
10.3.4 Cable specification
Polarised screw/plug-in terminal blocks,
Digital I/O wire cross section: max. 1.5 mm
Mains/relay wire cross section: max. 2.5 mm
10.3.5 Power consumption
22 VA
10.3.6 Electrical safety
EN 61 010-1, protection class I
Low voltage: overvoltage category II
Extra-low voltage: overvoltage category III
10.4 Connection data interface
10.4.1 Serial interface
(standard)
Rear-mounted RS 232 / RS 485 interface (9-pole, Sub-D, socket)
Model (RS 232 / RS 485) and device address are adjustable
Max. length of lead with screened cable: 15 m (49 ft) (RS 232) / 1000 m (3280 ft) (RS
485), galvanically isolated from the system
10.4.2 Ethernet interface (option)
Internal Ethernet interface 10BaseT, plug type RJ45, screened CAT 5 cable, allocation
of the IP address via setup menu in the unit.
+10% -15%
AC
+10% -15%
AC/DC
2
(0.0023 in
2
(0.0039 in
Technical Data
2
)
2
), (each with wire end sleeves)
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