Analog I/O 9300 Series User’s Guide
Page 166 Chapter 7 - Hardware Reference

Wiring for Modules with Manual Override

The following wiring scheme must be used when the relay extension board
contains Grayhill modules with the manual override feature.
DANGER
In this configuration, the outputs of the Grayhill modules with manual override will switch state on
power up.
Analog I/O
The following diagram shows the additional connections required for the analog
I/O ordering option.
9
8 7 6 5
4
3 2
1
DIGITAL PORTS
Power Su pply
AWG 20 to AWG 16
91
91 Ω (¼W 5%)
91
91
+ 5 VDC
output
31 22 21 12
ANALOG INPUTS ANALOG OUTPUTS
32
+ AI1 - C+ AI2 - + AI3 - + AI4 - A1 A2 A3 A4
AWG24 to 18 (0.2 to 0.8 )recommended.
Wiresizes will vary depending on application
mm2
AnalogInput connections
fromexternal transducers:
0to 20mA or 0 to 1mA
Analogoutput connections
toanalog transducers
0to 20mA: 500 load Max
0to 1mA: 10k loadMax