PCC-IV Instruction Manual (rev. 0.2)
Page 2-21
Section 2 - Installation
120 Vac
Neutral
120 Vac
Hot
CPU Board AC to DC, and DC to DC Isolation
1U, 1L
2U, 2L, 3L *
8L
7L
5VDC
Power
Supply
15
RS485
Xmtr
Rcvr
1
2
3
Optical
Isolators
to/from
Serial Port
+
-
DC-DC
Isolator
DC-DC
Isolator
D+
D-
RS485
Isolated Common
10, 16, 27, 28
12, 14, 18, 20
22, 24, 26
9
+ 5 Vdc, 50 mA
+ 24 Vdc, 215 mA
- Signal Common for:
AIN ch. 0-1 -> 0-5
AOUT ch 0-1 & 0-2
- Power Common
for DOUT ch 1->4
To DIN
ch 1-3
Ground
to Option Cards 1 & 2
Case Ground
No
Connection
Isolated
120 Vac
Discrete
Inputs
Terminal Numbers
* 2U, 2L, and 3L are connected to each other but have no
connection to any other PCC-IV internals. They are provided
for PCC-III backwards compatibility only.
24 VDC +
-
24 VDC +
-
F1
1.6A 72V
