Operating Controls - Ahlborn ALMEMO 2490-2 Operating Instructions Manual

1. Operating controls

1. OPERATING CONTROLS
Rear of device
(7) Battery compartment
3 AA alkaline-manganese batteries
2 ALMEMO 2490
®
(1) Measuring inputs M0 and M1
M0 ... M1 for all ALMEMO
M2 Function channel, differential
M10...M32 9 additional channels
(2) Analog outputs P0 (option)
P0 Clamp connector (ZA 1000-KS)
(3) Outputs A1, A2
A1 Interface USB (ZA 19019-DKU)
RS 232 (ZA 1909-DK5)
Optic fiber (ZA 1909-DKL)
Ethernet (ZA 1945-DK)
RS 422 (ZA 5099-NVL/NVB)
2nd analog output (ZA 1601-RK)
A2 Network cable (ZA1999-NK5/NKL)
Trigger input (ZA 1000-ET/EK)
Relay outputs (ZA 1006-EAK)
1st analog output (ZA 1601-RK)
(4) Connection DC 12V (not type L)
Mains adapter (
Cable, electr. isol. (
RS485 (option I) (
(5) LCD
(a) Function
(b) Measuring point, 2nd meas. value
(c) Units for 2nd measured value
(d) Units for 1st measured value
(e) 1st measured value
(f) Operational states
LOBAT Battery voltage <3.3 V
FREE Unlocked for adjust. purposes
CORR Measured value corrected
REL Relative measuring
(6) Operating keys
Switch the device on
ON OFF
To switch device OFF, press and hold down
Meas. point selection
M▲ M▼
,
Max. / min. value
MAX , MIN
clear: press and hold down
Measured value memory
MEM
press and hold down: value displaying
Relative measuring
CLR
Sensor adjustment
cancel: press and hold down
® sensors
)
ZA1312-NA1, 12V, 0.2A
ZA2690-UK, 10-30V
ZA1000-FSV)
)