YPPA1004 & YPPA1044 Expansion Modules
Instruction Manual
6
INSTALLATION
There is no need to remove the expansion module from its case
to complete the installation, wiring, or setup of the unit.
WARNING!
Do not connect or disconnect the expansion module
with the power on!
External Relays & Digital I/O Connections
The relay and the digital I/O expansion modules YPPA1004 & YPPA1044
are connected to the meter using a CAT5e cable provided with each
module (see Figure 1).
Figure 1: M-Link Connector Location on the Meter
WARNING!
Do not connect any equipment other than Yokogawa’s
expansion modules, cables, or meters to the RJ45
M-LINK connector. Otherwise damage will
occur to the equipment and the meter.
The two RJ45 connectors on the expansion modules are identical and
interchangeable; they are used to connect additional modules to the
system.
Note: The jumper located between the RJ45 connectors of the YPPA
1044 (see Figure 2) must be removed on the second digital
I/O module in order for the system to recognize it as module #2.
Figure 2: Jumper Location
