26 P/N 69761 rev. B
Banner Engineering Corp. • Minneapolis, U.S.A.
www.bannerengineering.com • Tel: 763.544.3164
PICO-GUARD Controller
Instruction Manual
System Operation
Data
Packet
Character
Position
Purpose
Decoded Diagnostic Data Byte
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
1 2 ID Byte 0 0 0 0 0 0 1 0
3 4
Operating
Condition
Reserved
Aux
Output
Weak
Output
Fault
Output
Reserved
System Status
000 Reserved
001 Power-up Reset
010 Latched
011 Run
100 Lockout
101 Power-up
5 6 OSSDs
OSSD1
State Invalid
OSSD1
OC Fault
Invalid
OSSD
1 State
OSSD1
OC Fault
OSSD2 State
Invalid
OSSD2
OC Fault
Invalid
OSSD2
State
OSSD2
OC Fault
7 8
Number of
Channels
and Latches
0 1 0 0
(4 Channels)
System
Noise
Detected
Two
Channel
EDM
Channel
Latch
USSI
Latch
9 10
EDMs and
Resets
EDM 2
Open
Reserved
EDM 1
Open
EDM 1
Noisy
USSI Reset
Closed
External
Stop
Device
Reset
Noisy
System
Reset
Closed
System
Reset
Noisy
11 12
Configuration
Settings
Reserved Reserved Reserved Reserved
One-channel
EDM
Trip Mode
Selected
Auto
Power-
up
Configur-
ation
Invalid
13 14 USSI 1
USSI
Input a-b
State Invalid
Reserved
USSI
Input c-d
Invalid
Reserved
USSI 1
Input a-b
State
USSI 1
Input a-b
Noisy
USSI 1
Input c-d
State
USSI 1
Input c-d
Noisy
15 16 USSI 2
USSI 2
Input a-b
State Invalid
Reserved
USSI 2
Input c-d
Invalid
Reserved
USSI 2
Input a-b
State
USSI 2
Input a-b
Noisy
USSI 2
Input c-d
State
USSI 2
Input c-d
Noisy
17 18
USSI Input
Types and
Channel
Data Invalid
Channel
Data Invalid
Reserved Reserved Reserved
USSI Type
Contact
USSI
1 Type
Unknown
USSI 2
Type
Contact
USSI
2 Type
Unknown
19 20 Reserved
21 22 System Error Code (see Figure 5-1)
23 24 Microcontroller-A Advanced Diagnostic Code (0-255)
25 26 Microcontroller-B Advanced Diagnostic Code (0-255)
27 28
Reserved
29 30
31 32
33 34
35 36
37 38
39 40
Optical
Channels
1 and 2
Channel 1
Enabled
Channel 1
Clear
Channel 1
Weak
Channel 1
Noisy
Channel 2
Enabled
Channel 2
Clear
Channel
2 Weak
Channel 2
Noisy
41 42
Optical
Channels
3 and 4
Channel 3
Enabled
Channel 3
Clear
Channel 3
Weak
Channel 3
Noisy
Channel 4
Enabled
Channel 4
Clear
Channel
4 Weak
Channel 4
Noisy
43 44
Reserved
45 46
Reserved
Figure 4-7. RS-232 diagnostic data