User`s guide
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 Supply
AWG 20 to AWG 16
91 Ω
91 Ω (¼W 5%)
91 Ω
91 Ω
+ 5 VDC
output
31
22 21 12
ANALOG INPUTS ANALOG OUTPUTS
32
+ AI1 - C+ AI2 - + AI3 - + AI4 -
A1
A2 A3 A4
AWG 24 to 18 (0.2 to 0.8 ) recommended.
Wire sizes will vary depending on application
mm
2
Analog Input connections
from external transducers:
0 to 20mA or 0 to 1mA
Analog output connections
to analog transducers
0 to 20mA: 500 load Max
0 to 1mA: 10k load Max
Ω
Ω