Siemens 9330 Manual De Usuario
9300 Series User’s Guide
Relay Expansion Board (Grayhill Rack)
Chapter 7 - Hardware Reference
Page 165
Relay Expansion Board (Grayhill Rack)
The optional relay extension board allows for custom digital output applications
using specific Grayhill modules. This option includes a 4-position Grayhill module
rack and one of two power supplies:
using specific Grayhill modules. This option includes a 4-position Grayhill module
rack and one of two power supplies:
a 100-240 VAC/110-370 VDC to 5 VDC power supply
a 20-60 VDC to 5 VDC power supply
N
OTE
The meter’s digital outputs can be wired directly (without the use of the Grayhill rack), as long as the
external power supply you use does not exceed 30 VDC/80 mA.
external power supply you use does not exceed 30 VDC/80 mA.
4
3
2
1
AC
IN
IN
PU
T
DC
IN
IN
PU
T
AC
O
U
O
U
TP
U
T
DC
O
O
U
TP
UT
B
R
W
Y
9
8
7
6
5
4
3
2
1
Grayhill Rack
part # 70GRCK4R
D4 control module (module 4)
D3 control module (module 3)
D2 control module (module 2)
D1 control module (module 1)
Wire sizes will vary depending on application
These numbers indicate
which Grayhill module is
controlled by D1 to D4.
+5 VDC
output
Power Supply
AWG 20 to AWG 16