CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation Page 3 of 51
Introduction
Safety Symbols
Contents
1.
Introduction
5
1.1.
Safety Symbols
5
2.
Precautions
6
2.1.
General Safety Regulations
6
2.1.1.
Construction Regulations
7
2.1.2.
Safety During Installation
7
2.1.3.
Safety During Start-up
7
2.1.4.
Safety During Maintenance and Fault Diagnosis
7
3.
How to Use this Manual
8
3.1.
Diagram Conventions
8
3.2.
88CM2904 module revisions
9
4.
Product description
10
4.1.
General
10
4.2.
Product Characteristics Summary
11
4.3.
Main Features & functionality
12
4.3.1.
CM2904 basic architecture
12
4.3.2.
CM2904 Product functions
12
4.4.
Mechanics, general view
13
5.
Hardware Specifications
14
5.1.
Input / Output (I/O) List by Connector
14
5.2.
Input descriptions
15
5.2.1.
Analog Input
15
5.2.2.
Multifunction Digital Inputs (MDIN)
16
5.2.3.
Frequency inputs
16
5.3.
Output descriptions
17
5.3.1.
PWM Outputs
17
5.3.2.
Reference Outputs
18
5.4.
Communication Mediums - CAN
18
5.5.
Microcontroller
19
5.6.
Power Supply input
19
5.7.
Power tree
20
5.8.
Internal Functions
20
5.8.1.
Reference Voltage Measurements
20
5.8.2.
Supply Voltage Measurement
20
5.9.
Connectors
21
5.9.1.
Connector layout & signals
21
5.9.2.
Connector Types
21
6.
CM2904 Standard software
23
6.1.
Messaging
23
6.1.1.
General specifications and rules
23
6.1.2.
Transmission
23
6.2.
CM2904 Message types
24
6.3.
Message definitions
25
6.3.1.
MDIN
25
6.3.2.
ADC1
26
6.3.3.
ADC2
27
