Vaisala Calibration of Digital Transmitters with HMI41 - Manual (Page 14)

User's Guide ______________________________________________________________________
12 __________________________________________________________________ M210777EN-B
HMI41 off and connect the calibration cable to the EXT connector at
the bottom of HMI41 (Figure 1 below). Connect the other end of the
cable to the connector X5 in the HMP230 transmitter (Figure 2 on
page 13). The connector X5 is also used for mounting the RS485/422
serial port module or current loop module; if a module is mounted, it
must first be removed (for further details, see the HMP230 series
User's Guide).
When calibrating series HMT100 transmitters, connect the cable to
Service port RJ45 connector (RS232C) on the connector board, inside
the housing.
When calibrating series HMT330 transmitters, connect the cable to
Service Port RJ45 connector (RS232C) on the cover, inside the
housing.
0605-009
Figure 1 Location of HMI41 Calibration Connector