Parker H Series, Installation & Service Instructions Manual

Page: 91 / 344

H Series Fieldbus I/O RS-232 ASCII Module, Series A (PSSS23A) E112P
4
Install the RS-232 ASCII Module
To Install the RS-232 ASCII Module, Proceed as Follows:
1. Using a bladed screwdriver, rotate the keyswitch on the mounting
base clockwise until the number 2 aligns with the notch in the
base.
2. Position the module vertically above the mounting base. The
module will bridge two bases.
3. Push the module down until it engages the latching mechanism. You
will hear a clicking sound when the module is properly engaged.
The locking mechanism will lock the module to the base.
Remove the RS-232 ASCII Module From the
Mounting Base
To Remove the Module from the Mounting Base:
1. Put a flat blade screwdriver into the slot of the orange latching
mechanism.
2. Push the screwdriver toward the I/O module to disengage the
latch. The module will lift up off the base.
3. Pull the module off of the base.
MOD
NET
TxD
RxD
PSSS23A
ASCII Interface
Module Will Bridge Two Bases
Wire the RS-232 ASCII Module
Following are wiring instructions for the RS-232 ASCII module.
Make sure all connectors and caps are securely tightened to
properly seal the connections against leaks and maintain IP67
requirements.
!
ATTENTION
(view into connector)
Pin 1 - No Connect
Pin 2 - Tx +
Pin 3 - Rx +
Pin 4 - Common
Pin 5 - No Connect
PSSS23A
IMPORTANT
The PSSS23A module has earth grounded metal rings.
This should be considered when choosing shielded cables and
grounding techniques.
Communicate With Your Module
The RS-232 ASCII module operates as the PointBus front-end to
your serial device. Data can be exchanged with the master through a
polled, cyclic, or change of state connection. The module produces
and consumes 4 to 132 bytes of data.
EDS File Requirements
The EDS file is available online at www.parker.com/pneu/
hseriesfieldbus