252301 Issue 2.0 - 第70页
GEM Manual for DEK Printers SECS II Implementation I ssue 2.0 June 9th, 2011 page 70 of 156 6.4 STREAM 2: EQUIPMENT CONTROL A ND DIA GNOSTICS S2F13 Equipment Constant Request ( ECR) S2F14 Equipment Constant Data ( ECD) D…
GEM Manual for DEK Printers SECS II Implementation
Issue 2.0 June 9th, 2011 page 69 of 156
S1F17 On-Line Control State Request
S1F18 On-Line Control State Acknowledge
Description: Enables the host to request that the equipment enters the On-Line control
state.
A. Host Initiated
Host to equipment: S1F17
Structure: Header only
Equipment to host: S1F18
Structure: <ONLACK>
B. Equipment Initiated - Not applicable.

GEM Manual for DEK Printers SECS II Implementation
Issue 2.0 June 9th, 2011 page 70 of 156
6.4 STREAM 2: EQUIPMENT CONTROL AND DIAGNOSTICS
S2F13 Equipment Constant Request (ECR)
S2F14 Equipment Constant Data (ECD)
Description: ECR is a request for the equipment constant values associated named by
ECID.
A. Host Initiated
Host to equipment: S2F13
Structure: L,n
1. <ECID
1
>
.
.
n. <ECID
n
>
Exception: If n = 0, then all ECV’s are to be reported.
Equipment to host: S2F14
Structure: L,n If n = 0, then no response exits.
1. <ECV
1
> A zero length ECV means that the ECID
. does not exist
.
n. <ECV
n
>
B. Equipment Initiated - Not applicable.
GEM Manual for DEK Printers SECS II Implementation
Issue 2.0 June 9th, 2011 page 71 of 156
S2F15 New Equipment Constant Send (ECS)
S2F16 New Equipment Constant Acknowledge (ECA)
Description: Changes one or more equipment constant value. If any errors are
encountered (e.g. unknown ECID) NO constants will be changed and EAC > 0.
A. Host Initiated
Host to equipment: S2F15
Structure: L,n
1. L,2
<ECID
1
>
<ECV
1
>
2. L,2
.
.
n. L,2
<ECID
m
>
<ECV
m
>
Equipment to host: S2F16
Structure: <EAC>
B. Equipment Initiated - Not applicable.
S2F17 Date and Time Request (DTR)
S2F18 Date and Time Data (DTD)
Description: The host can use this transaction to check the equipment time reference.
The equipment uses DTR to synchronise with the host after communications have been
established.
A. Host Initiated
Host to equipment: S2F17
Structure: Header only
Equipment to host: S2F18
Structure: <TIME>
B. Equipment Initiated
Equipment to host: S2F17
Structure: Header only
Host to equipment: S2F18
Structure: <TIME>