KMS-2/Exia/Exd Transmitter
Installation and Operating Manual
Page 7 of 16 KMS-2:Exia/Exd IOM
Rev H 18/05/10
ATEX
Fig 3 Cable entry via M20 gland Fig 4 Connection Details
Adjustment and Configuration:
The unit is normally set at the factory to the required specification
•
Range adjustment and output inversion
•
Low Level Alarm Select
Fig 5
Internal layout of case showing
Local Display and calibration switches
Range Adjustment
The measuring range of the unit is set at the factory.
If the default range is unsuitable or adjustment is required the following procedure should be followed.
With reference to Fig. 5
1. Set the float to the minimum level
2. Press the ‘Span’ and ‘Zero’ buttons until both LED,s flash alternatively (output 12mA)
3. Release buttons
4. Press the ‘Zero’ button until the ‘Zero’ LED stays on
5. Wait until the ‘Zero’ LED extinguishes. (output 4mA)
6. Set the float to the maximum level.
7. Press the ‘Span’ and ‘Zero’ buttons until both LED’s flash alternatively (output 12mA)
8. Release buttons
ZERO SPAN
O
F
F
1
2
28V dc
MAX
K&TC
PCB620
REV D
+
E
+
