wtw LF 538 Instruction Manuals page 43

Outputs
Platinizing output
Analog output
Digital interface
RS 232
Environmental conditions
Ambient temperature
Relative humidity
EMC
Interference transmission
Disturbance
Power supply
BA51101/11.95/Pro/LF538-1
Technical data
8 pin WTW special socket
Impressed direct current 6 mA
Polarity can be chosen with key
Accuracy: + 1 mA with operating temperature
-10°C ... +55°C
2 x 4 mm jack for recorder,
not galvanically isolated
Signal range:
Accuracy:
Source resistance:
4 pin special socket for
RS 232 cable AK 325/B or
Printer cable AK 325/S
Serial interface, not galvanically isolated
Data output, no separate excitation
Baud rate:
Data bits:
Stop bit:
Parity:
Handshake:
Max. cable length: 15 m
Output format:
Operation:
Storage:
Yearly mean:
30 days/year:
Remaining days: <
Generic standard EN 50081-1
FCC class A
Generic standard EN 50082-2
Namur recommendation (standard requirements)
Line adapter
0 ... 1.999 V for range voltage
0 ...1999 digit
± 0.5 % of displayed value ± 0.1 mV
at ambient temperature -10°C ... +55°C
< 5 Ω (Current limit
max. 0.2 mA output current)
4800
8
1
none
RTS/CTS Handshake
ASCII-strings
separator CR, LF
+ 5°C ... + 40°C
- 25°C ... + 65°C
<
<
230 VAC: Friwo FW1199/11.7864,
Friwo Part. No. 1762613
120 VAC: Friwo FW1199/11.7880,
Friwo Part. No. 1794043
75 %
95 %
85 %
43