ENMET MX-48 - Manual (Page 11)

MX48 C ONTROL ENMET Corporation
7
Figure 3a: Typical Channel Board
See Figure 1 for location of Channel Boards within
MX48 C ONTROL enclosure.
For channels 5 through 8 on second Channel Board:
♦ Channel 1 = Channel 5
♦ Channel 2 = Channel 6
♦ Channel 3 = Channel 7
♦ Channel 4 = Channel 8
Display Potentiometers
Caution: Each channel display is adjusted at the factory and should not need to be readjusted. Any alignment
should be adjusted at the sensor/transmitter. Table 4 provides the function of MX48 C ONTROL
potentiometers if adjusted by mistake.
Table 4: Potentiometers per Channel
Left /2 O = Control display ZERO potentiometer
S = Control display span potentiometer
Right /2 4 = potentiometer 4 mA / current output
20 = potentiometer 20 mA / current output (for full scale)
Fuse Fuse Fuse Fuse Fuse
Display POTs for
Channel 1 or 5
see Caution
Channel 3 or 7
Channel 4 or 8 Channel 2 or 6
Display POTs for
Channel 2 or 6
see Caution
Display POTs for
Channel 3 or 7
see Caution
Display POTs for
Channel 4 or 8
see Caution
Fuse Fuse Fuse
Channel 1 or 5
1 2 3 4 5 9 6 8 7
Channel Terminal
Numbers used as
reference in Table 3
Channel Terminal
Typical Labeling
Channel Alarm Relays Jumper Positions
Jumper position on pins 1 & 2
for NC contact (factory setting)
Jumper position on pins 2 & 3
for NO contact