Welch Allyn Poem NIBP Module DeveloperS User Manual

POEM™ NIBP Module Developer’s Kit Instructions
Developer’s Kit Part Number 007-0035-00

Overview

The POEM NIBP Module Developer’s Kit provides the hardware, software, and accessories required to operate a POEM NIBP Module from a Personal Computer (PC). This allows a developer to control the POEM Module and view its NIBP and diagnostic outputs without having to develop hardware and software interfaces to a host system. This version of the Developer’s Kit includes:
POEM Module Interface Box which includes:
• POEM Module and pump mounted inside for physical protection, acoustical damping
• Interface Board mounted on top for connections to power and data communications
• External NIBP hose fitting
• Interconnect ribbon cable between Module and Interface Board (PN 660-0164-XX)
CD with POEM PC and POEM Talk Software (for PC) and manuals.
NIBP Cuff (adult, reusable)
NIBP Hose (10 ft.)
RS232 Cable for connecting Interface Board to PC (PN 660-0163-XX)
Sync Cable for connecting source for ECG synchronization signal (PN 660-0178-XX)
•9 Vdc international power adapter (with interchangeable mains plugs) operating on nominal 100-240 Vac, 50/60 Hz (PN 503-0122-00).
POEM NIBP Module OEM Implementation Manual
- Provides detailed information
about the POEM NIBP Module and how to integrate it into a host system.
POEM PC User Manual
and
POEM Talk User Manual
- Describe how to install and
use these software applications for development.
Copyright © 2002 by Welch Allyn OEM Technologies. Welch Allyn® is a registered trademark and POEM™ and Smartcuf™ are trademarks of Welch Allyn, Inc. Welch Allyn, Inc. is protected under various patents and patents pending. Welch Allyn OEM Technologies is a division of Welch Allyn, Inc.
Information furnished by Welch Allyn OEM Technologies is believed to be accurate and reliable. However, no responsibility is assumed by Welch Allyn OEM Technologies for its use, nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Welch Allyn OEM Technologies.
Disclaimers: This document may be wholly or partially subject to change without notice. All rights are reserved. No one is permitted to reproduce or duplicate, in any form, the whole or part of this document without written permission from Welch Allyn OEM Technologies.
Welch Allyn OEM Technologies • 8500 SW Creekside Place, Beaverton, OR 97008-7107 U.S.A. Phone: 503-530-7900 • Fax: 503-526-4901 810-1209-01 Rev. A 12/02
POEM NIBP Module Developer’s Kit Instructions Welch Allyn OEM Technologies

Basic Connections

The basic connections of the POEM NIBP Module Developer’s Kit are shown below.

INTERFACE BOARD

POEM MODULE INTERFACE BOX (WITH POEM MODULE INSIDE)
NIBP CUFF (OR SIMULATOR)
NIBP HOSE
Figure 1 - POEM NIBP Module Developer’s Kit
POWER CONNECTOR (FOR POWER ADAPTER OR “BARREL CONNECTOR PIGTAIL CABLE)
POWER CONNECTIONS (FOR REGULATED EXTERNAL POWER SUPPLY)
CABLE TO PC (WITH POEM PC OR POEM TALK SOFTWARE INSTALLED)
CONNECTION FOR OPTIONAL ECG SYNCHRONIZATION (REQUIRED FOR SMARTCUF)
After connection, the NIBP Module is controlled from the PC using the POEM PC or POEM Talk software program. The developer has access to all POEM Module operating modes and patient modes.
If desired, the Developer’s Kit may be partially or totally connected to the host’s target system for convenience in developing code in the host system. The Interface Board’s power supply inputs or logic-level serial interface may be directly connected to the host target system.
Interface Board
All electrical connections to the POEM Module are made through the Interface Board mounted on the top of the Interface Box. The Interface Board provides:
•Two possible power connections (only one used at a time):
• J1: 5-contact terminal strip to connect to HOST_5V, HOST_3.3V, VBUS, and GND
• J2: Barrel-style power input connector which permits powering the POEM Module
from a single, regulated or non-regulated, dc-output power adapter (or from a single regulated dc supply)
5V linear regulator (used only with power adapter input)
F1: Fuse in series with VBUS
P1: Jumpers to configure the polarity for the power adapter input
D3: Power indicator LED lights whenever 5 V power is present
S1: Reset switch; pressing S1 resets the POEM Module
J4: A 0.1-inch grid pad arrangement for either soldering wires to or adding a connector for access to all Module connections
RS232 level translators for RXD and TXD
J6: A female DB9 connector for direct connection to a PC’s serial port
J5: A 1x6 connector for coupling ECG_SYNC from the host system.
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Welch Allyn OEM Technologies POEM NIBP Module Developer’s Kit Instructions
The Interface Board includes safety features to protect the Interface Board and the POEM Module from damage that might be caused by inappropriate supply voltages, polarities, or power sequencing.

Power Requirements

Simplified power connections are described below. For additional information, refer to the POEM
NIBP Module OEM Implementation Manual .

METHOD 1 - Regulated or Non-Regulated Power Adapter (or Pigtail) Connection at J2

The power adapter and configuration requirements are shown in Figure 2.
1 2
DC Output 6-9 V V x A 6
POWER ADAPTER
AC Input
P1
3 4
JMPR2 JMPR1
J2
Input Connector: Must be “barrel-type” with
0.080-inch diameter center pin, and 0.215-inch
1
1
diameter outer sleeve.
Configure P1 for the appropriate polarity of the adapter input connector: For negative center pin:
For positive center pin (factory default):
Configure JMPR1 and JMPR2 as shown (factory default setting)
1 2
3 4
1 2
3 4
J1
Leave J1 unconnected
Figure 2 - Power Adapter Configuration
A universal power adapter is included in the Developer’s Kit. It meets the requirements described in Figure 2 (with positive center pin connector, 0.080-inch center pin, 0.215-inch diameter outer sleeve connector). One of the included mains connectors will be appropriate for almost every country in the world. Alternatively, a barrel-connector pigtail cable may be ordered from Welch Allyn OEM Technologies. Contact Welch Allyn OEM Technologies for more information.
CAUTION To avoid possible equipment damage, do not use any ac-output power
adapter, or any dc-output power adapter that does not meet the requirements described in these instructions.
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POEM NIBP Module Developer’s Kit Instructions Welch Allyn OEM Technologies
The basic requirement at J2 is a supply that never drops below 6.0 Vdc at maximum load, never rises above 15 Vdc when unloaded, and can deliver at least 6 W while meeting these voltage requirements. Note that between NIBP readings, the POEM Module enters a low power sleep mode which allows the power adapter output to rise almost to its unloaded voltage (unloaded voltage of non-regulated power adapters will likely be 25% to 50% higher than voltage at rated current, so check any adapter not supplied by Welch Allyn OEM Technologies).
If an unregulated adapter’s unloaded voltage is high enough to turn on Transzorb D6 in the POEM Module, but not high enough to blow Fuse F1 on the Interface Board, the POEM Module may be damaged. Also, while reprogramming the Module, higher voltage at J2 increases heating in the Interface Board’s 5 V regulator. Based on these factors, an unregulated or regulated power adapter rated at greater than or equal to 6 W at 6 to 9 Vdc is recommended. When given this input, the Module and Interface Board fulfill all other power requirements.
NOTE If the wrong polarity is applied to J2, the Module and Interface Board are not powered
and no damage occurs.

METHOD 2 - Regulated Power Supply Connection at J1

The simplest regulated power supply configuration requirements are shown in Figure 3. Refer to the POEM NIBP Module OEM Implementation Manual for details about more complex power supply configurations.
P1 configuration does not matter.
1 2
P1
3 4
JMPR2 JMPR1
J2
1
1
HOST_3.3V
HOST_5V
GND GND
VBUS
J1
VBUS = +4.75 to +15.5 V (consumption ~3 W peak, worst case) HOST_5V = +4.75 to +5.25 V (consumption up to 75 mA, worst case) HOST_3.3V (optional) = +3.1 to +3.4 V (consumption up to 65 mA, worst case)
Leave J2 unconnected.
Configure JMPR1 and JMPR2 as shown.
+
REGULATED DC POWER SUPPLY
_
4.75 to 5.25 V 1 A
AC Input
Figure 3 - Regulated Power Supply Configuration
CAUTION Incorrect polarity at J1 will damage the power supply, the Interface Board,
and/or the POEM Module. Refer to the POEM OEM Implementation Manual for more information.
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Welch Allyn OEM Technologies POEM NIBP Module Developer’s Kit Instructions

Serial Interface Requirements

METHOD 1 - RS232 Connection From J6 to PC

Connect the RS232 cable and configure JMPR3 and JMPR4 as shown in Figure 4.
J4
Leave J4 unconnected.
Configure JMPR3 and JMPR4 as shown (factory default setting)
1
1
JMPR4 JMPR3
J6
RS232 CABLE
Figure 4 - RS232 Serial Interface Connection
(This provides ±10 V RS232 I/O with inverted polarities relative to the POEM board outputs.)
Connect the RS232 cable supplied with the Developer’s Kit to J6. This is a “straight-through” cable (all pins including 2 and 3 are connected straight-through the cable from end-to-end).
Connect to PC serial/com port.
NOTE The Interface Board’s level translator IC U2 imposes an upper data rate limit of
120 kbps under its manufacturer’s test conditions. Consult Maxim’s data sheet (MAX232E) for further details.
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POEM NIBP Module Developer’s Kit Instructions Welch Allyn OEM Technologies

METHOD 2 - Logic-Level UART Connection From J4 to Host System

Configure JMPR3 and JMPR4 as shown in Figure 5. When used in this manner, the Interface Board imposes no limitations on data rates.
J4
23
1
7 9
1
2
6
12
24
1
Ground of host system
Data to host system
Data from host system
COMM_POL_SEL
Refer to the POEM NIBP
Module OEM Implementation Manual
for details about polarities, voltage levels, and functionality.
JMPR4 JMPR3
J6
Figure 5 - Logic-Level UART Serial Interface Connection
Configure JMPR3 and JMPR4 as shown.
Leave J6 unconnected.
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Welch Allyn OEM Technologies POEM NIBP Module Developer’s Kit Instructions

ECG_Sync Requirements

ECG_SYNC connection requirements are shown in Figure 6. Refer to the POEM OEM Implementation Manual for timing requirements and instructions about selecting the polarity of ECG_SYNC.
Ground of host system.
ECG_SYNC from host: (levels = 0 V and +3.3 V to +5 V)
J5
1
3
5
6
Figure 6 - ECG_SYNC Connection
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POEM NIBP Module Developer’s Kit Instructions Welch Allyn OEM Technologies
Figure 7 - POEM Interface Board Schematic (800-0088-00 Rev. B)
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